Basic characteristics data • Instruction manual
Contents
1. D mounting C E mounting B mounting F mounting A mounting 108 A F T pp mounting 3 60 Convection ap Forced air 0 5m min o S 20 pea o 0 10 20 30 10 40 20 50 30 60 40 70 50 Ambient temperature TC Inside is with case cover Fig 3 6 Ambient temperature derating curve refer to Table 3 4 COSEL Instruction Manual D mounting C mounting E F mounting A B mounting be D A F L 80 mounting 3 80 Convection Ls Forced air 0 5m min jo S 20 l 0 10 0 10 20 30 10 40 20 50 30 60 40 70 50 Ambient temperature TC Inside is with case cover Fig 3 7 Ambient temperature derating curve refer to Table 3 5 O LFA100F A mounting O D E F mounting C mounting B mounting 100 A F 80 mounting 60 Convection l 40 DForced air 0 5m min 20 Load factor g 10 0 10 20 30 35 40 45 50 55 60 70 Ambient temperature C Fig 3 8 Ambient temperature derating curve refer to Table 3 6 O LFA100F _ SN A F i ina B mounting O D E mounting E mounting ay fajmounting 100 80 ASS EE 75 x g 60 Convection S 40 Forced air 0 5 E ZG 20 J 7A yy BEE DE EE 0 10 0 10 20 30 35 40 45 50 60 Ambient tem2. Mounting Cooling dada Max temperature Method Method Point ATC Point BIC A e 20 lt lo lt 100 70 84 loX20 75 79 B Convection 20 lt lo lt 100 70 81 loX20 73 77 c Convection 20 lt loS 100 76 80 lo lt 20 76 77 D Convection 20 lt lo lt 100 70 78 lo 20 75 77 E Soe 20 lt lo lt 100 73 84 lo lt 20 76 79 F Convection 20 lt lo lt 100 74 80 lo 20 76 78 70 lt lo 100 75 75 A B C D E F Forced air lo lt 70 75 75 COSEL Instruction Manual Table 3 2 Temperatures of Point A Point B LFA15F Table 3 5 Temperatures of Point A Point B LFA75F Mounting Cooling Max temperature Mounting Cooling Max temperature Method Method taco are bag Method Method 102d factor rare Point Bfc A Convection Za 100 72 80 S Convection lt lo 100 85 70 LFA lo lt 40 77 81 loS70 86 76 B Convention 40 lt lo lt 100 68 73 B nella 70 lt lo lt 100 77 65 lo lt 40 74 78 loS70 81 71 c EE 40 lt lo
3. lo lt 75 75 lt lo lt 100 A B C D E F Forced air Ta 60 C 5years 3years Ta 40 or less 5years 5years A B C Convection Ta 50 C 5years 3years Table 3 16 Expectancy Life LFA150F Ta 350 or less 5years 5years DEE Convection Mounting Cooling Average ambient Expectancy Life Ta 45 5years 3years Method Method temperature year lo lt 75 75 lt lo lt 100 AB C D EF Forced air Ta 608 Syears 3years Ta 30C or less 6years 6years A Convection Ta 40 C 6years 5years Ta 25 C or less 6years 6years B Convection S Ta 350 6years 6years __ Ta 25 C or less 6years 6years C Convection Ta 35C 6years 5years D F Convection Ta 25 C or less 6years 6years E Convection Ta 25 C or less 6years 5years A B C D E F Forced air Ta 60 C 5years 5years LFA 29 LFA CO EL Instruction Manual Table 3 22 Warranty LFA50F Table 3 26 Warranty LFA240F L Mounting Cooling Average ambient Warranty Mounting Cooling Average ambient Warranty Method Method temperature year loS75 75 lt loS100 Method Method temperature year loS75 75 lt loS100
4. Mounting Cooling iced taci n Max temperature Method Method Point ATC Point BIC 75 lt loS 100 75 70 A Convection 50 lt loS75 82 79 lo lt 50 86 85 75 lt lo lt 100 63 61 B Convection 50 lt lo lt 75 73 73 loX50 81 83 75 lt loS 100 76 73 C Convection 50 lt lo lt 75 81 79 lo lt 50 87 85 75 lt loS 100 66 55 D Convection 50 lt lo lt 75 74 65 loX50 84 78 75 lt loX 100 62 62 E Convection 50 lt lo lt 75 73 74 loX50 81 84 75 lt loS 100 68 62 F Convection 50 lt loS75 77 73 loX50 84 83 1 70 lt loS 100 75 75 A B C D E F Forced air lo lt 70 75 75 Table 3 9 Temperatures of Point A Point B Point C Point D LFA300F Mounting Cooling Max temperature Method Method 102S Stor Tea point Point crc Pint D C 80 lt loS100 70 86 A Convection 60 lt lo lt 80 75 88 o lt 60 79 89 80 lt l0 lt 100 57 68 B Convection 60 lt l0 lt 80 62 71 0 S60 71 79 80 lt loS100 69 75 C Convection 60 lt lo 80 74 75 o lt 60 83 82 80 lt l0 100 58 62 D Convection 60 lt lo lt 80 64 66 ESO 75 75 80 lt loS100 57 80 E Convection 60 lt lo lt 80 63 83 o lt 60 74 88 80 lt loS100 61 68 F Convection 60 lt lo lt 80 68 71 o lt 60 76 80 A B C D E and F Forced air 50 lt l0 lt 100 75 75 85 85 3 3V 5V 12V 15V 0 50 75 75 85 85 AB C D E and F 50 lt lo
5. 5years KE Convection y y Ta 30 C 5years 3years A B C D E F Forced air Ta 60 C 5years 3years Table 3 24 Warranty LFA100F 4 ro u nd Mounting Cooling Average ambient Warranty Method Method temperature year loS75 75 lt l0o 100 A meen syears years When installing the power supply with your unit ensure that the Ta 50 C 5years 3years input FG terminal of CN1 or mounting hole FG is connected to Ta 35C or less 5years 5years F B C Convection safety ground of the unit Ta 45 C 5years 3years __ Ta 25 C or less 5years 5years DEE Convection S a 35C 5years 3years A B C D E F Forced air Ta 60 C 5years 3years 5 Opti O n and Othe rs Table 3 25 Warranty LFA150F Mounting Cooling Average ambient Warranty R 4 Method Method temperature year loS75 75 lt l0o 100 5 1 Outline of options A A C LOAs Syears Dear Please inquire us for details of specifications and delivery timing Ta 40 C 5years 5years kY f y e ou can combine multiple options Some options however can Ta 250 5years 5years f e B Convection E zh a y y not be combined with other options Please contact us for details Ta 35C 5years 5years Ta 25 or less 5years 5years C Convection e a y O a 35C 5years 3years D F Convection Ta 25 or less Syears Syears Option C units have coated internal PCB for better moisture E Convection Ta 25 C or less 5years 3years resistance A B C D E F Forced air
6. LFA 24 Assembling and Installation Method E Skill O eegen LFA 24 O eegen LFA 24 DO MOUNINO SELEY eegen LFA 28 Su XDeCIel Gallina CRW E LFA 28 Ground In Option and Others E 51 Ol A EIER eenegen LFA 30 By O E E EE LFA 32 LFA 21 LFA CO EL Instruction Manual 1 Function 1 1 Input voltage range MThe range is from AC85V to AC264V or DC120V to DC370V please see SPECIFICATIONS for details Min cases that conform with safety standard input voltage range is AC100 AC240V 50 60Hz Hilf input value doesn t fall within above range a unit may not oper ate in accordance with specifications and or start hunting or fail If you need to apply a square waveform input voltage which is commonly used in UPS and inverters please contact us MH When the input voltage changes suddenly the output voltage ac curacy might exceed the specification Please contact us O LFA10F LFA15F LFA30F MA power factor improvement circuit active filter is not built in H you use multiple units for a single system standards for input har monic current may not be satisfied Please contact us for details O LFA1OF LFA15F LFA30F LFA5OF LFA75F LFA100F LFA150F LFA240F LFA300F MOperation stop voltage is set at a lower value than that of a stan dard version derating is needed Use Conditions Output 3 3V LFA10F 5W 38W LFAISF 7 5W 5W LFA30F 10W 7 5W LFA50F 15W 10W LFA75F 25W 15W LFA100F 30W 20W LFA15
7. engineering departments 3 3 Mounting screw The mounting screw should be M3 The hatched area shows the allowance of metal parts for mounting Hilf metallic fittings are used on the component side of the board ensure there is no contact with surface mounted components This product uses SMD technology Please avoid the PCB installation method which includes the twist ing stress or the bending stress Recommendation to electrically connect FG to metal chassis for reducing noise LFA 28 LFA10F LFA15F 8 d CN le El 8 Unit mm Fig 3 19 Allowance of metal parts for mounting LFA10F LFA15F O LFASOF LFASOF LFA75F LFA100F LFA150F Unit mm Fig 3 20 Allowance of metal parts for mounting LFA30F LFA50F LFA75F LFA100F LFA150F LFA240F LFA300F Unit mm Fig 3 21 Allowance of metal parts for mounting LFA240F LFA300F 3 4 Expectancy life and warranty MExpectancy Life Table 3 10 Expectancy Life LFA10F Mounting Cooling Average ambient Expectancy Life Method Method temperature year lo lt 75 75 lt l0 lt 100 _ Ta 40 C or less 6years 6years A D E F Convection S Ta 50 C 5years 3years Ta 45 C or less 6years 6years B C Convection S Ta 55C 5years 3years A B C D E F Forced air Ta 60 C 5years 3years Table 3 11 Expe
8. fig 1 1 is recommended Vout Ci C2 7 Load Vout 150mm Osiloscope Ripple noise meter Bw 20MHz Differential probe C1 Film capacitor 0 1 uF C2 Aluminum electrolytic capacitor 22uF Fig 1 1 Measuring method of Ripple and Ripple Noise Remarks When GND cable of probe with flux of magnetic force from power supply are crossing ripple and ripple noise might not measure correctly Please note the measuring environment Power Supply Probe Power Supply Differential probe Bad example Good example Fig 1 2 Example of measuring output ripple and ripple noise 1 7 Isolation For a receiving inspection such as Hi Pot test gradually increase decrease the voltage for the start shut down Avoid using Hi Pot tester with the timer because it may generate voltage a few times higher than the applied voltage at ON OFF of a timer 1 8 Reducing standby power O LFA10F LFA15F BA circuit reducing standby power is built in LFA10F and LFA15F standby power 0 5W typ The load factor lo 0 35 the internal switch element is intermit tent operated and the switching loss is decreased The specification of the Ripple Ripple Noise changes by this intermittent operation The value of the ripple ripple Noise when intermittent operates changes in the input voltage and the output current Pleas
9. from the standard appearance Please contact us about the detail Some of the product Y is standard equipment LFA100F 3R3 Y LFA100F 5 Y LFA150F 3R3 Y LFA150F 5 Y LFA300F _ TY To increase an output voltage turn a built in potentiometer clockwise To decrease the output voltage turn it counterclockwise Please take care when you adjust output voltage by potenti ometer because there is possibility of electric shock and the breakdown as contacting to other internal circui by telectrically conductive tool LFA 31 CO EL Instruction Manual O R LFA100F LFA150F LFA240F LFA300F You can control output ON OFF remotely in Option R units To LFA do so connect an external DC power supply and apply a volt age to a remote ON OFF connector which is available as op tion Built in Voltage between RC Input Resistor and RC V Current Ri Q Output ON Output OFF mA Model Name LFA100F LFA150F LFA240F pang 780 45 125 0 0 5 20max Inside of a Power SW A Supply R RC f External P Input Current e ie xternal Power j d Source ZH RC L Remote ON OFF connector Optional Pa See Fig 5 2 Example of using a remote ON OFF circuit Dedicated harnesses are available for your purchase Please see Optional Parts for details 1 If the output of an external power supply is within the range o
10. horizontally positioned screws on a termi nal block Please contact us for details about appearance FG J gt V pe we xen V Ld al Fig 5 5 Example of option T1 5 2 Others MThis power supply is the rugged PCB type Do not drop conduc tive objects in the power supply BAt light load there remains high voltage inside the power supply for a few minutes after power OFF So at maintenance take care about electric shock MT his power supply is manufactured by SMD technology The stress to PCB like twisting or bending causes the defect of the unit so handle the unit with care Tighten all the screws in the screw hole Install it so that PCB may become parallel to the clamp face Avoid the impact such as drops COSEL Instruction Manual MWhile turning on the electricity and for a while after turning off please don t touch the inside of a power supply because there are some hot parts in that MWhen a mass capacitor is connected with the output terminal load side the output might become the stop or an unstable oper ation Please contact us for details when you connect the capaci tor O LFA10F LFA15F When these power supplies are connected to the input terminal in parallel the total capacitance between line and line becomes big Therefore the electrical discharge resistance on the safety stan dard might become necessary Please contact us for details w
11. 0F 50W 30W LFA240F 80W LFA300F 100W 75W Input AC50V or DC70V Duty 1s 30s Please avoid using continuously for more than 1 second under above conditions Doing so may cause a failure 1 2 Inrush current limiting BAn inrush current limiting circuit is built in Wif you need to use a switch on the input side please select one that can withstand an input inrush current LFA10F Resistance for line filter is used for inrush current limiting O LFA15F LFA3OF LFASOF LFA75F LFA100F LFA150F MThermistor is used in the inrush current limiting circuit When you turn the power ON OFF repeatedly within a short period of time please have enough intervals so that a power supply cools down before being turned on LFA 22 LFA240F LFA300F MThyristor technique is used in the inrush current limiting circuit When you turn power ON OFF repeatedly within a short period of time please have enough intervals so that the inrush current limit ing circuit becomes operative When the switch of the input is turned on the primary inrush cur rent and secondary inrush current will be generated because the thyristor technique is used for the inrush current limiting circuit 1 3 Overcurrent protection An overcurrent protection circuit is built in and activated at 105 of the rated current or 101 of the peak current A unit automati cally recovers when a fault condition is removed Please do not use a unit in short circuit an
12. 20 l a a 7 3 108 ese tae pai Edo EE ot es e e 0 5 10 15 20 25 30 40 50 60 Ambient temperature TC Fig 3 13 Ambient temperature derating curve E F mounting B C mounting D mounting A mounting 100 A F T 80 i mounting Convection 2 2 Forced air IA NS S A D Dm min 3 3V 5V 12V 15V E 0 5m min 24V 30V 36V 48V 3 20 e D 10 20 25 30 40 50 60 70 Ambient temperature TC Output Output power W voltage Convection Forced air 3 3V 132 0 198 0 5V 200 0 300 0 12V 204 0 324 0 15V 210 0 330 0 24V 300 0 336 0 30V 300 0 330 0 36V 302 4 338 4 48V 302 4 336 0 Fig 3 14 Ambient temperature derating curve refer to Table 3 9 LFA 27 LFA CO EL Instruction Manual MDerating curve depending on input voltage Derating curve depending on input voltage is shown in Fig 3 8 o o Load factor IN L AC V Fig 3 17 Derating curve depending on input voltage Mounting method A B C CN1 J Standard at Position D E F CN1 q H CN CN Fig 3 18 Mounting method M F mounting is not possible when unit is with case cover but if need to operate unit by F positioning with case cover tempera ture load derating is necessary For more details please contact our sales or
13. EE 7 SE di 8mm min d2 CN1 d2 d2 d2 4mm min a Fig 3 1 Installation method LFA 24 There is a possibility that it is not possible to cool enough when the power supply is used by the sealing up space as showing in Figure 3 2 Please use it after confirming the temperature of point A and point B of Instruction Manual 3 2 Case Power supply Fig 3 2 Installation example 3 2 Derating MEnvironment to use it and Installation environment When using it it is necessary to radiate heat by the heat of the pow er supply Table 3 1 3 9 shows the relation between the upper limit tempera ture Point A and Point B and load factors Please consider the ventilation so that the convection which is enough for the whole power supply is provided And temperature of Point A and Point B please become lower than upper limit temperature The expectancy life in the upper bound temperature Point A and Point B is three years or more Please refer to External View for the position of Point A and Point B In case of with Chassis and Cover please contact our sales office for getting more information Remarks Please be careful of electric shock or earth leakage in case of temperature measurement because Point A and Point B is live potential Please refer to 3 4 if you want to extend the longevity of the ex pectancy life Table 3 1 Temperatures of Point A Point B LFA10F L
14. LFA CO EL Basic Characteristics Data Basic Characteristics Data Inrush Series Parallel Switching Input PCB Pattern ion avallabili Model Circuit method frequency current current cerere SE kHz 1 A protection Material a ee Lee LFA10F Flyback converter 100 0 26 LF CEM 3 Yes Yes No LFA15F Flyback converter 100 0 35 Thermistor CEM 3 Yes Yes No LFA30F Flyback converter 130 0 65 Thermistor CEM 3 Yes Yes No Active filter 60 440 LFA50F 0 67 Thermistor CEM 3 Yes Yes No Flyback converter 130 Active filter 60 440 LFA75F 1 0 Thermistor CEM 3 Yes Yes No Flyback converter 130 Active filter 60 LFA100F 1 3 Thermistor CEM 3 Yes Yes No Forward converter 140 Active filter 60 LFA150F 2 0 Thermistor CEM 3 Yes Yes No Forward converter 140 Active filter 60 LFA240F 3 3 SCR CEM 3 Yes Yes No Forward converter 140 Active filter 60 LFA300F 4 1 SCR CEM 3 Yes Yes No Forward converter 140 1 The value of input current is at ACIN 100V and rated load 2 Refer to Instruction Manual 2 LFA 20 a Instruction Manual COS EL Function e LFA Jol uerge ee E LFA 22 12 meu lle eege LFA 22 ISO e O LFA 22 TAO VA CU nka LFA 22 IS Our weer Grenier IER M aa LFA 22 16 TIET enel Eu EE LFA 23 Ern E e Lee LFA 23 LS UCSI Poweria LFA 23 Series Operation and Parallel Operation 1 IS E E LFA 23 22 Arallle k We Vel ti eee eer eee ee eee
15. S100 75 75 85 85 Forced air 24V 30V 36V 48V 0 S50 75 75 85 85 LFA 26 MThe operative ambient temperature is different by with without chassis cover or mounting position Derating curve is shown below Note In the hatched area the specification of Ripple Ripple Noise is different from other area A D E F mounting B C mounting A F Se mounting se 80 Convection g Forced air 0 5m min S 40 o 35 S 20 io 0 10 20 30 40 50 40 60 50 70 60 Ambient temperature C Inside is with case cover Fig 3 3 Ambient temperature derating curve refer to Table 3 1 O E F mounting A B C D mounting A F We mounting se 80 Convection g Forced air 0 5m min amp op 5 35 S 20 0 10 0 10 20 30 40 30 50 40 60 50 70 60 Ambient temperature TC Inside is with case cover Fig 3 4 Ambient temperature derating curve refer to Table 3 2 O LFASOF D E mounting F mounting A C mounting B mounting A F SY 80 mounting S 60 Convection Ls Forced air 0 5m min o S 20 l 0 10 0 10 20 30 40 30 50 40 60 50 70 60 Ambient temperature C Inside is with case cover Fig 3 5 Ambient temperature derating curve refer to Table 3 3
16. S70 80 88 1 70 lt loX 100 75 75 70 lt lo lt 100 79 71 ABCDEF Forced ee 75 75 F Convection 50 lt lo lt 70 88 77 lo lt 50 88 79 Table 3 4 Temperatures of Point A Point B LFA50F ABODEF Forced air lt 0 lt 105 100 75 75 Mounting Cooling isc Max temperature l0 70 19 75 Method Method Point ATC Point BIC 70 lt lo lt 100 86 68 Table 3 7 Temperatures of Point A Point B LFA150F A Convection lo 70 86 77 Mounting Cooling ised teat Max temperature 3 Comediion SOS 100 72 65 Method Method HIT DT poar Point Bt loS70 77 70 60 lt loS 100 79 75 c cometan 50 lt lo lt 100 78 71 A Convection 20 lt lo lt 60 86 85 lo 50 84 77 loS20 87 87 D Convection 50 lt lo lt 100 83 68 70 lt lo lt 100 75 70 loX50 85 72 B Convection 30 lt lo lt 70 85 78 E Conv dti n 50 lt lo lt 100 76 75 loS30 86 81 lo lt 50 83 81 60 lt lo lt 100 81 15 F Convecion 50 lt lo lt 100 80 78 Cc Convection 30 lt loX60 86 81 lo lt 50 84 76 loS30 87 83 1 70 lt loS 100 75 75 70 lt lo lt 100 73 67 AB CREF Ford eege 75 75 DE Convection 30 lt lo lt 70 83 76 lo lt 30 84 77 70 lt lo lt 100 73 75 E Convection 30 lt lo lt 70 82 83 lo lt 30 83 84 1 70 lt loS 100 75 75 A B C D E F Forced air lo lt 70 75 75 LFA 25 LFA CO EL Instruction Manual Table 3 8 Temperatures of Point A Point B LFA240F
17. Ta 40 or less 5years 5years T Ta 30 or less 5years 5years A Convection A Convection a 50C 5years 3years Ta 40C 5years 3years Ta 35 C or less 5years 5years Ta 20 C or less 5years 5years B D Convection S i A B C Convection S a 45C 5years 3years Ta 30 C 5years 3years Ta 30C or less 5years 5years D F Convection Ta 20 C or less 5years 3years C E Convection S g z a 40C 5years 3years E Convection Ta 15 C or less 5years 3years Ta 25C or less 5years 5years A B C D E F Forced air Ta 60 C 5years 3years F Convection r a 35C 5years 3years A B C D E F Forced air Ta 60 C 5years 3years Table 3 27 Warranty LFA300F Mounting Cooling Average ambient Warranty Table 3 23 Warranty LFA75F Method Method temperature year l0 lt 75 75 lt l0 lt 100 Mounting Cooling Average ambient Warranty A c i Ta 30 C or less 5years 5years onvection Method Method temperature year lo 75 75 lt l0o 100 Ta 40C 5years 3years Ta 40 C or less 5years 5years Ta 20 C or less 5years 5years A B Convection u 2 B C Convection y a a 50C 5years 3years Ta 30 C 5years 3years ___ Ta 35C or less 5years 5years D Convection Ta 25 C or less 5years 3years C Convection i f a 45C 5years 3years Er Convection Ta 20 C or less 5years 3years Ta 30 or less 5years 5years A B C D E F Forced air Ta 50 C 5years 3years D Convection 5 a 40C 5years 3years Ta 20 or less 5years
18. Ta 60 C 5years 3years LFA 30 COSEL Instruction Manual O S SN S indicates a type with chassis and SN indicates a type with chassis and cover Refer to external view Refer to Derating LFA Curves in Section 3 2 Please contact us about the detail of LFA300F G Option G units are low leakage current type Differences from standard versions are summarized in Table 5 1 Table 5 1 Low leakage current type Leakage Current 6 45mA max AC240V 60Hz O SNF LFA300F 5 12 24 TY ConduciediNgise e SS e Jetails about In option SNF the cover chassis and cooling fan are added Output Ripple Noise SR R I EC SES The appearance of option J units is defferent from the of stan dard appearance Please contact us about the detail Oil and other chemical liquid splashing environment may cause the performance degradation and failure O Y Option Y units can adjust the output voltage by the potentiom eter is attached Refer to the adjustable range to the table 5 2 and table 5 3 BLFA10F LFA15F LFA30F LFA50F LFA75F Table 5 2 Output voltage adjustment range This is the value that measured on measuring board with capaci tor of 22uF at 150mm from output connector Measured by 20MHz oscilloscope or Ripple Noise meter Equivalent to KEISOKU GIKEN RM 103 O H LFA100F 24 LFA150F 24 LFA240F 24 LFA300F 24 30 36 48 TY Option H units can output the peak c
19. age ambient Warranty Ta 40 or less 6years 6years Method Method temperature year loS75 75 lt loS 100 A B Convection 7 Ta 50 C 5years 3years Ta 40 C or less 5years 5years S A D E F Convection Ta 35 C or less 6years 6years Ta 50 C 5years 3years C Convection Ta 45 C 5years 3years _ Ta 45 or less 5years 5years P B C Convection Ta 30 C or less 6years 6years Ta 55 C 5years 3years D Convection S Ta 40 C 5years 3years A B C D E F Forced air Ta 60 C 5years 3years _ Ta 20 C or less 6years 6years E F Convection S E syears Beats Table 3 20 Warranty LFA15F A B C D E F Forced air Ta 60 C Syears Syears Mounting Cooling Average ambient Warranty Method Method temperature year loS75 75 lt loS 100 Table 3 15 Expectancy Life LFA100F L Ta 40 C or less 5years 5years g 7 A B C D Convection Mounting Cooling Average ambient Expectancy Life Ta 50 C 5years 3years Method Method temperature year lo lt 75 75 lt l0 lt 100 EF c i Ta 35 or less 5years 5years P i onvection g Ta 40 C or less 6years 6years Met Ta 450 5years 3years A Convection 7 Ta 50 C 5years 3years A B C D E F Forced air Ta 60 C 5years 3years Ta 35 or less 6years 6years B C Convection Y y Ta 45 Syears Syears Table 3 21 Warranty LFA30F DEE Convection Ta 35 or less 6years 6years Mounting Cooling Average ambient Warranty BEE ps SE YAA Method Method temperature year
20. ctancy Life LFA15F L Mounting Cooling Average ambient Expectancy Life Method Method temperature year lo lt 75 75 lt l0 lt 100 Ta 40 or less 6years 6years A B C D Convection gt Ta 50 C 5years 3years Ta 35C or less 6years 6years EF Convection S Ta 45 C 5years 3years A B C D E F Forced air Ta 60 C 5years 3years COSEL Instruction Manual Table 3 12 Expectancy Life LFA30F L Table 3 17 Expectancy Life LFA240F Mounting Cooling Average ambient Expectancy Life Mounting Cooling Average ambient Expectancy Life Method Method temperature year loS75 75 lt loS 100 Method Method temperature year loS75 75 lt l0o 100 LFA Ta 40 C or less 6years 6years Ta 30 C or less 6years 6years A B C Convection Y 2 A Convection e 4 4 Ta 50C 5years 3years a 40C 5years 3years Ta 35 or less 6years 6years Ta 20C or less 6years 6year
21. d or under an overcur rent condition Mintermittent Operation Mode Intermittent operation for overcurrent protection is included in a part of series When the overcurrent protection circuit is activated and the output voltage drops to a certain extent the output be comes intermittent so that the average current will also decrease 1 4 Overvoltage protection An overvoltage protection circuit is built in If the overvoltage pro tection circuit is activated shut down the input voltage wait more than 3 minutes and turn on the AC input again to recover the out put voltage Recovery time varies depending on such factors as input voltage value at the time of the operation Min option R2 overvoltage protection is removed by toggling ON OFF signal of remote control Remarks Please avoid applying a voltage exceeding the rated voltage to an output terminal Doing so may cause a power supply to malfunc tion or fail If you cannot avoid doing so for example if you need to operate a motor etc please install an external diode on the output terminal to protect the unit 1 5 Output voltage adjustment range Adjustment of output voltage is possible by using potentiometer Please refer to instruction manual 5 1 Option Y is recommended which can adjust the output voltage CO EL aa Instruction Manual 1 6 Output ripple and ripple noise MOutput ripple noise may be influenced by measurement environ ment measuring method
22. e contact us for details O LFA100F LFA150F LFA240F LFA300F BAs for option R2 reducing standby power is possible by OFF sig nal of the remote control Please refer to instruction manual 5 1 2 Series Operation and Parallel Operation 2 1 Series Operation O LFA10F LFA15F LFA30F LFA50F LFA75F Series operation is available by connecting the outputs of two or more power supplies with the same output voltage as shown be low Output current in series connection should be lower than the lowest rated current in each unit 12V or less 15V or more Power Power Supply DI 22 HS Supply 4201 5 fo O Power Power e Supply D3_4 D4 Supply 4 2 D1 D4 Use a schottky barrier D1 D2 Use a schottky barrier diode with low forward diode with low forward voltage voltage Fig 2 1 Examples of connecting in series operation a Power 5 Supply 8 L 12 Power 3 Supply Fig 2 2 Examples of connecting in series operation b O LFA100F LFA150F LFA240F LFA300F WYou can use a power supply in series operation The output cur rent in series operation should be lower than the rated current of a power supply with the lowest rated surrent among power supplies that are serially connected Please make sure that no surrent ex ceeding the rated cu
23. f 4 5 12 5V you do not need a current limiting resistor R If the output exceeds 12 5V however please connect the cur rent limiting resistor R To calculate a current limiting resistance value please use the fol lowing equation Vec 1 1 RiX0 005 R Q 0 005 Please wire carefully If you wire wrongly the internal components of a unit may be damaged Remote ON OFF circuits RC and RC are isolated from input output and FG O R2 LFA100F LFA150F LFA240F LFA300F The usege is the same as option R please refer to Option R Reducing standby power is possible by OFF signal of the re mote control Start up time by ON signal in remote control is 350ms typ The latch condition in overvoltage protection is removed by tog gling ON OFF signal of remote control Standby power LFA100F LFA150F LFA240F 0 2Wtyp AC100V 0 7Wtyp AC200V LFA300F 0 25Wtyp AC100V 1 1Wtyp AC200V LFA 32 O T LFA240F LFA300F Option T units have vertically positioned screws on a terminal block Please contact us for details about appearance FG a AC m Sr Ge t Fig 5 3 Example of option T MT he screw can be held to terminal block by inserting and lifting the screwdriver from the side of terminal block G screwdriver screw L i terminal block 5 5MAX Fig 5 4 lifting method O T1 LFA300F Option T units have
24. hen safety standard is necessary at multiple units usage LFA 33 LFA
25. lt 100 75 84 D Convection 70 lt lo lt 100 81 68 lo lt 40 78 81 loS70 83 72 D Caniscion 40 lt lo lt 100 71 77 70 lt lo lt 100 78 58 lo lt 40 76 79 D Convection 10 lt lo lt 70 80 63 E Convecion 40 lt loS 100 70 79 loS10 84 72 loS40 76 81 70 lt lo lt 100 73 66 F Convection 40 lt lo lt 100 71 78 E Convection 10 lt lo lt 70 83 68 lo lt 40 76 80 loS10 83 79 1 70 lt loX 100 75 75 70 lt lo lt 100 74 59 A B C D E F Forced air lo lt 70 75 75 F Convection lo lt 70 83 71 ABCDEF Forced air 70 lt 105 100 75 75 Table 3 3 Temperatures of Point A Point B LFA30F Se loS70 75 75 Mounting Cooling Max temperature Method Method et E mare Point BTC Table 3 6 Temperatures of Point A Point B LFA100F 70 lt lo lt 100 73 73 Mounting Cooling Max temperature A Convection ees 79 77 Method Method LI fStor Pointa Point BIC B Convection 60 lt lo lt 100 73 74 70 lt lo lt 100 85 74 lo lt 60 80 82 A Convection 50 lt lo lt 70 88 79 c Convection 70 lt lo lt 100 80 77 loS50 88 83 loS70 83 80 70 lt lo lt 100 77 72 70 lt lo lt 100 72 70 B Convection 50 lt lo lt 70 87 82 D Convection 20 lt lo lt 70 80 TT lo 50 88 86 lo 20 79 80 c Convection 70 lt lo lt 100 87 82 70 lt lo lt 100 73 79 loS70 88 85 E Convection 20 lt lo lt 70 79 85 D Convection 70 lt lo lt 100 80 70 loS20 77 81 loS70 85 80 F Convection 70 lt lo lt 100 73 75 E EE 70 lt lo lt 100 74 85 loS70 79 79 lo
26. perature C Fig 3 9 Ambient temperature derating curve O LFA150F C mounting B mounting O D E F mounting A mounting le PS D A F 80 mounting 60 Convectiony 40 Forced air 0 5m min 30 ee Habe eo a D A A A A E OPENS L 2 SeA 20 Load factor 20 25 30 35 40 45 50 55 60 65 70 Ambient temperature TC Fig 3 10 Ambient temperature derating curve refer to Table 3 7 O LFA150F _ SN C mounting B mounting D E mounting A mounting Ke D A F mounting Load factor g Ambient temperature CT Fig 3 11 Ambient temperature derating curve O LFA240F O D F mounting C mounting B mounting E mounting A mounting A F i mounting Convection Forced air 0 5m min E as E WE ote E Dee Load factor 0 10 15 20 30 40 50 60 70 Ambient temperature TC Fig 3 12 Ambient temperature derating curve refer to Table 3 8 O LFA240F SN D mounting C mounting B mounting E mounting A mounting 100 A F Se 80 mounting TOR aurea ad g 60 Convection amp a Forced air D Pm min g s eae eee EE ie cl atypia en o
27. rrent flows into a power supply Power O lt lt Supply E Supply Ki a E e o Power rz x Power 3 Supply Supply A Only LFA300F 3R3 and 5 Use a schottky barrier diode with low forward voltage a b Fig 2 3 Examples of connecting in series operation LFA 23 CO EL Instruction Manual 2 2 Parallel Operation Parallel operation is not possible MRedundancy operation is available by wiring as shown below hi Is Power gt gt Supply Power Supply Load Fig 2 4 Example of redundancy operation MEven a slight difference in output voltage can affect the balance between the values of l and le Please make sure that the value of Is does not exceed the rated current of a power supply l S the rated current value 3 Assembling and Installation Method 3 1 Installation method This power supply is manufactured by SMD technology The stress to P C B like twisting or bending causes the defect of the unit so handle the unit with care Min case of metal chassis keep the distance between d amp de for to insulate between lead of component and metal chassis use the spacer of 8mm or more between d If it is less than di amp dz insert the insulation sheet between power supply and metal chassis d2 EN
28. s D E F Convection S y u B C Convection x Ta 45 C 5years 3years a 30C 5years 3years A B C D E F Forced air Ta 60 C 5years 3years DE Convection Ta 20 C or less 6years 5years E Convection Ta 15 C or less 6years 5years Table 3 13 Expectancy Life LFASOF C1 A B C D E F Forced air Ta 60 C 5years 3years Mounting Cooling Average ambient Expectancy Life Method Method temperature year loS75 75 lt loS lt 100 Table 3 18 Expectancy Life LFA300F A c i Ta 40 C or less 6years 6years Mounting Cooling Average ambient Expectancy Life onvection Ta 50C 5years 3years Method Method temperature year loS75 75 lt loS 100 _ Ta 35 C or less 6years 6years __ Ta 30 C or less 6years 6years B D Convection i A Convection Ta 45 C 5years 3years a 40C 5years 3years Ta 30 C or less 6years 6years Ta 20C or less 6years 6years C E Convection a B C Convection 4 d Ta 40 C 5years 3years a 30C 5years 3years Ta 25C or less 6years 6years D Convection Ta 25 C or less 6years 5years F Convection 7 f z Ta 35C 5years 3years E F Convection Ta 20 C or less 6years 5years A B C D E F Forced air Ta 60 C 5years 3years A B C D E F Forced air Ta 50 C 5years 3years Table 3 14 Expectancy Life LFA75F L mWarranty Mounting Cooling Average ambient Expectancy Life Table 3 19 Warranty LFA10F Method Method temperature year lo lt 75 75 lt l0 lt 100 Mounting Cooling Aver
29. urrent Peak load is possible to draw as below Output voltage Output voltage adjustment range V 5 PRS 3 3V 2 85 to 3 63 3 average current a solo 3 9 12V 10 8 to 13 2 5 15V 13 5 to 16 5 S 24V 21 6 to 26 4 36V 32 4 to 39 6 t1 t2 48V 43 2 to 52 8 Some of the product Y is standard equipment LFA10F 3R3 Y LFA15F 3R3 Y LFA30F 3R3 Y LFA50F 3R3 Y LFA75F 3R3 Y Fig 5 1 Peak current Input voltage is AC9OV to AC264V t1 lt 10 sec lpSrated peak current lave Srated output current MLFA100F LFA150F LFA240F LFA300F Table 5 3 Output voltage adjustment range Output voltage Output voltage adjustment range V Duty Hee X 100 lt 35 3 3V 2 85 to 3 63 5V 4 5 to 5 5 In case of LFA300F duty is depended on peak wattage 12V 10 8 to 13 2 Please contact us about the detail 15V 13 5 to 16 5 Remarks 24V 21 6 to 27 5 There is possibility that an internal device is damaged when the 30V LFA300F 27 0 to 33 0 specification is exceeded 36V 32 4 to 39 6 48V 39 6 to 52 8 O J LFA300F Option J units the input and output connector are changed to EP connectors Mfr Tyco Electronics The appearance in option J units is defferent from the standard untis Please contact us about the detail O J1 Option J1 units the Input and Output connector is VH connec tors Mfr J S T LFA300F appearance of option J units is defferent
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