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Basic characteristics data • Instruction manual

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1. 12 so a gx S3 E lt 49 6 50 4 X 2 100 8 200 a Dimension in mm Material Conductive PS Fig 9 2 Delivery package information SFS30 MTray is stacked with alternating opposite direction to prevent prod ucts from contacting against the bottom of trays Do not cut or deform the tray Fig 9 3 Stacking pattern of trays 9 2 Delivery package information SFCS series SMD type EThese are packed in a tray Fig 9 4 SFCS15 and SFCS30 can be used in the same pallet tray But the orientation of the power supplies is different WCapacity of the tray is 10 max In case of fractions the units are stored in numerical order EDo not cut or deform the tray 135 9 39 35 57 2 a gt en Js 7 o arr al el ra SS i 3 LL ry ee a gt a ERA N AS S 16 6 Dimension in mm Material Conductive PS Fig 9 4 Delivery package information SFCS15 SFCS30 SFS SFCS 25 ANNIN
2. N Temp 25C ra CISPR22 A I CISPR22 A Level dBuV a tz MIN D a 30 H 150k 200k 300k 500k M M M 5 TOM 20M 30M Frequency Hz Fig 3 3 Example of conducted noise SFS30483R3 4 Reverse input voltage protection Avoid the reverse polarity input voltage It will damage the unit It is possible to protect the unit from the reverse input voltage by installing an external diode as shown in Fig 3 4 Vin DC Input O_O Vin Fig 3 4 Reverse input voltage protection 3 2 Wiring output pin MWhen the SFS SFCS series supplies the pulse current for the pulse load please install capacitor Co between Vout and Vout pins Vout O Pulse Co load Vout O e _ Recommended capacitance Co 1 2 5Vout 22 4700uF 10 15Vout 22 2200uF Fig 3 5 Connection for pulse load Output ripple and start up waveform may be influenced by ESR ESL of capacitor and the wiring impedance SFS SFCS 17 COSEL Instruction Manual Ripple and ripple noise are measured as shown in the Fig 3 6 by connecting Co and JEITA attachment 1 2 5Vout Co 22UF Ts 100 15 Vout Co 0 14F Vin Vout Oe 1S ale aa DC Co Input TS Load omn oo Vin Vout 25mm
3. Oscilloscope ry n Bw 100MHz Je x JEITA attachment R 50Q C 4700pF or 10000pF Fig 3 6 Measuring method of ripple and ripple noise are Coaxial Cable 4 Function 4 1 Overcurrent protection OCP and Low voltage protection LVP MOCP and LVP circuits is built in LVP will trigger after 200ms typ delay when OCP activates and output voltage drops down 90 max SFS20 95 max of the rated output voltage mWhen LVP is activated ALM signal will becomes low impedance Recovery from the protection is accomplished by applying 5VDC or less input for at least 1 second or toggling remote ON OFF signal for at least 1 second 4 2 Overvoltage protection OVP The overvoltage protection circuit is built in and comes into effect at 120 to 140 SFS20 115 to 145 of the rated output volt age When the load factor is less than 50 output voltage may be increased more than maximum voltage by the failure mode HNormal or abnormal operation of the unit can be monitored by us ing the ALM pin When OVP is activated ALM signal will become low level The DC input should be shut down if overvoltage protection is in operation Please note that devices inside the power supply might fail when voltage more than rated output voltage is applied to output pin of the power supply This could happen when the customer tests the overvoltage performance of the unit 4 3 Remote ON OFF RC pin Remote
4. Fig 8 10 Derating curve Forced air 1 2m s COSEL Instruction Manual 2 Parallel operation Natural convection cooling 0 2m s 100 x 65 5 Convection 0 2m s i 50 i E Oo fo i 7 0 i 40 20 0 20 40 60 65 80 100 Ambient temperature C Fig 8 11 Derating curve Convection Forced air cooling 0 8m s 100 x 5 g 50 G oO fo 0 40 20 0 20 40 60 80 85 100 Ambient temperature C Fig 8 12 Derating curve Forced air 0 8m s Forced air cooling 1 2m s 100 g I fe Forced air 1 2m s g 50 d g f fo 1 z 0 H 40 20 0 20 40 60 758085 100 Ambient temperature C Fig 8 13 Derating curve Forced air 1 2m s 8 5 Derating curve SFS3048 1 Single and series operation Natural convection cooling 0 2m s 100 SFS30481R2 SFS30481R5 in 36 SFS304802 eee ee SFS30482R5 Convection 0 2m s 50 i 1 SFS30483R3 SFS304805 SFS304810 SFS304812 SFS304815 1 1 Load factor 40 20 0 20 40 60 Ambient temperature C 100 SFS30481R2 SFS30481R5 i SFS304802 Vin 60 76V Convection 0 2m s SFS30482R5
5. age several times higher than the normal level when turned ON If this happens the output power also becomes unstable In order to prevent the unit form failing in this way please connect Ci to the input pin In addition when the filter with L is used please Ci to the input pin The unit is powered from ER Z high impedance source AOAN in Input o Vin m eo Vin DC A Input Ci F L__ Vin Long input line b Fig 3 1 Connection method of capacitor at input pin Table 3 2 Recommended capacitance Ci Model SFS1524 SFCS1524 SFS3024 SFCS3024 Ci 33 uF 68uF Model SFS1048 SFS1548 SFS2048 SFCS1548 SFS3048 SFCS3048 Ci 10uF 22uF Ta 20 to 85 C Electrolytic or Ceramic aa a to 85 C Ceramic capacitor Note When input line inductance becomes excessively high due to inser tion of choke coil operation of the unit could become unstable In this case increase Ci value more than the value indicated above 3 Conducted noise Minstall an external input filter as shown in Fig 3 2 in order to re duce conducted noise The result for this solution is shown in Fig 3 3 L1 YYA avin oe Cie Input M Oe Vin Fuse C1 1uF ceramic capacitor L1 14H Fig 3 2 Recommended external input filter Vin 48V 100 SFS30483R3 Vin Vout
6. h Vin 60 76V 1 l Vin 36 60V amp 70 5 60 Forced air 0 8m s 5 50 2 oO O 1 0 i 40 20 0 20 40 60 65 go 100 Ambient temperature C Fig 8 6 Derating curve Forced air 0 8m s SFS SFCS 22 Forced air cooling 1 2m s 00 Vin 36 60V 80 Vin 60 76V 70 Forced air 1 2m s 50 Load factor l Hl i 1 T 1 ji ji T 1 ji i T 1 5 40 20 0 20 40 60 75 80 85 100 Ambient temperature C Fig 8 7 Derating curve Forced air 1 2m s 8 4 Derating curve SFS3024 SFCS30 1 Single and series operation Natural convection cooling 0 2m s x 65 5 Convection 0 2m s g 50 T o fo l 0 40 20 0 20 40 60 80 85 100 Ambient temperature C Fig 8 8 Derating curve Convection Forced air cooling 0 8m s 100 h z 5 Forced air 0 8m s 8 50 Y i oO fo 1 T 0 i 40 20 0 20 40 60 75 80 85 100 Ambient temperature C Fig 8 9 Derating curve Forced air 0 8m s Forced air cooling 1 2m s 100 S Forced air 1 2m s g 50 gel iss fo l 0 40 20 0 20 40 60 80 85 100 Ambient temperature C
7. ON OFF circuits is built in on input side MWhen remote ON OFF function is not use please open circuit between RC and Vin or short circuit between RC and Vin Recovery from the protection is accomplished by applying 5VDC or less input for at least 1 second or toggling remote ON OFF signal for at least 1 second SFS SFCS 18 1 RC connection example 1 Remote ON OFF connection and specification refer to below Vin Vin Input RC Input Photo coupler RC Vin Vin a b Fig 4 1 RC connection example 1 Table 4 1 Specification of example 1 connection method Fig 4 1 a b Between RC and Vin VRC1 Output voltage Open ON OVSVRC1 S1 2V or Short OFF 2 RC connection example 2 Vin Vin R1 DC RC DC Input R2 Input R2 SW VRC2 Transistor Vin Vin a b Recommended value of R1 Value of R2 Model SFSL 124 SFS _48 Model SFSL124 SFSL148 SFCS _24 SFCS _48 SFCS _24 SFCS _ 48 R1 22kQ 220kQ R2 200k2 360kQ2 Fig 4 2 RC connection example 2 Table 4 2 Specification of example 2 connection method Fig 4 2 a b Between RC and Vin VRC2 Output voltage 10V or more SFS _ 24 SFCS _ 24 20V or more SFS _48 SFC
8. SFS30481R5 Vin 36 60V SFS304802 SFS30482R5 l SFS30483R3 SFS304805 SFS304810 SFS304812 SFS304815 Convection 0 2m s a oO Load factor 40 20 0 20 40 60 75 80 85 100 Ambient temperature C 9 00066006 o 00 00 00 0000 00 00 00 00 00 nonn o0 00 00 0000 00 Ooo oo op ooo o o 0 0 0 o DOU oe nono ooo It 100 SFS30481R8 SFS30481R2 SFS30481R5 Vin 60 76V t SFS304802 Convection 0 2m s SF SUGARS SFS30483R3 SFS304805 SFS304810 SFS304812 SFS304815 1 40 20 0 20 40 6065 75 80 85 100 Ambient temperature C Fig 8 17 Derating curve Convection Forced air cooling 0 8m s N Point A Point B 5 Fig 8 20 Location of point A and B D a Oo a Load factor NANN 100 gt SFS30481R8 85 x Vin 36 60V 5 Forced air 0 8m s Others 8 50 D ise fe i 0 40 20 0 20 40 60 80 85 100 Ambient temperature C 100 x Vin 60 76V 70 5 Forced air 0 8m s
9. operation Win series operation connect each PO and ALM pin mutually wiring as Fig 5 1 f 9 Vin Vout DC input I ONO Vin Vout o Fuse fo sw o PO LEDy FP RC Load ALM Vin Vouto ONL Vin Vout Fuse 9 PO Lo RC ALM a Connection 1 f Vin Vout DC input l muo Vin Vout O Load Fuse sm r PO LEDY ye gt ALM Vin Vout o Load NMO Vin Vout Fuse L PO Lo RC ALM b Connection 2 Fig 5 1 Examples of series operation SFS SFCS 19 ANNIN NANN CO EL Instruction Manual 5 2 Parallel operation Win parallel operation connect each PO and ALM pin mutually wir ing as Fig 5 2 WTo improve the load sharing of each unit please use the same length from each unit to the load HTotal number of units should be no more than 10 pieces I Vin Vout o _ De Load Input l ono Vin Vout Fuse sW o PO LED Y j RG ALM Vin Vout o ONO Vin Vout o Fuse L o PO Lo RC ALM Fig 5 2 Example of parallel operation 6 Implementation Mounting Method 6 1 Automatic mounting HSFS SFCS series is designed to have a large flat area in the center of the top surface to serve as a
10. pick up point for automated vacuum pick and place equipment An excessively low bottom dead point of the suction nozzle impos es great force on the core of SFS series during mounting causing cracked core So during mounting take enough care 6 2 Soldering temperature 1 Reflow soldering Fig 6 1 and 6 2 show the conditions of reflow soldering Please verify the temperature of the ALM pin and Vout pin satisfy to reflow condition Hlmproper reflow condition may degrade the reliability of the inter nal components MWhile soldering having vibration or impact on the unit should be avoided because of solder melting SFS SFCS 20 ALM 2 nf 3 Vout Fig 6 1 Measuring point Tp Tx Ty2 Ty1 A A B B C time s A 1 0 5 0C s A Ty1 160 10 C Ty2 180 10 C Ty1 Ty2 120s max B 1 0 5 0C s B Tp Max245 C 10s max Tx 220 C or more 70s max C 1 0 5 0C s Fig 6 2 Recommeded reflow condition of soldering Temperature of the pins 2 Flow soldering E260 less than 15 seconds 3 Soldering iron 340 C to 360 C less than 5 seconds 6 3 Cleaning MWhen cleaning is necessary follow the undermentioned condition Method Varnishing ultrasonic wave and vapor Cleaning agents IPA Solvent
11. 1 1 50 SFS30483R3 SFS304805 SFS304810 SFS304812 SFS304815 L j Load factor d he d d PiN fi 40 20 0 20 40 60 65 75 8 85 100 Ambient temperature C Fig 8 14 Derating curve Convection Forced air cooling 0 8m s 100 z Vin 36 60V 5 Forced air 0 8m s S 50 no oO o al 0 40 20 0 20 40 60 8065 100 Ambient temperature C 100 SFS30481R8 80 x Vin 60 76V S Forced air 0 8m s Others j 50 no oO e l 0 40 20 0 20 40 60 80 85 100 Ambient temperature C Fig 8 15 Derating curve Forced air 0 8m s Forced air cooling 1 2m s 100 x Vin 36 76V 5 Forced air 1 2m s 8 50 no ise fo 0 40 20 0 20 40 60 80 85 100 Ambient temperature C Fig 8 16 Derating curve Forced air 1 2m s SFS SFCS 23 ANNIN COSEL Instruction Manual 2 Parallel operation 3 Measuring point in forced air cooling Natural convection cooling 0 2m s Win case of forced air ventilation must keep the temperature of SFS30481R8 point A and B below 120 C Refer to Fig 8 20 for the location of 85 point A and B 100 SFS30481R2
12. COSEL Basic Characteristics Data Basic Characteristics Data Series Parallel Model Circuit method a Eo Feta r BEBFANE operation availability kHz A input fuse protection Material Sigg arassa operation Oean SFS10 Single ended forward converter 570 670 x1 glass fabric base epoxy resin Multilayer Yes Yes SESS SFCS15 Single ended forward converter 570 670 1 glass fabric base epoxy resin Multilayer Yes Yes SFS20 Single ended forward converter 570 670 1 glass fabric base epoxy resin Multilayer Yes Yes SFS30 SFCS30 Single ended forward converter 440 530 x1 glass fabric base epoxy resin Multilayer Yes Yes 1 Refer to Specification SFS SFCS 14 DC DC Converters PCB Mount Type Pin Configuration Connection for Standard Use Wiring Input Output Pin SWV inputpin e e S ANV NOOU Ne Function 4 1 Overcurrent protection OCP and Low voltage protection LVP T2 OVewotagepiotecihon ONR E a 4 3 Remote ON OFF RC pin akak AEA CAVI O eese aS Seni lin OUPO PIN rennes SOMES egucence k VAST SO XN Series and Parallel Operation mil ESC S1C10 1 nE 52 le AIG IOP CNC as 6 Implementation Mounting Method OMIMMMNAUILONMCAUIGANM OUI Cts cease ener ee G2 SGIGIEAUAG WEIMDEMEMUIE 22222222eencoceasassesessssosseesasssssssesonssaceee
13. Others x Vin 36 60V 5 Convection 0 2m s S 50 no o ro f 0 t 40 20 0 20 40 60 75 80 100 Ambient temperature C _ 80 SFS154815 Others x Vin 60 76V 6 Convection 0 2m s j 50 no is fo eal 0 40 20 0 20 40 60 70 75 80 100 Ambient temperature C Fig 8 2 Derating curve Parallel operation SFS SFCS 21 ANNIN NANN CO EL Instruction Manual 8 2 Derating curve SFS1524 SFCS15 1 Single and series operation 100 5 Convection 0 2m s S 50 k i Q 1 7 0 l 40 20 0 20 40 60 75 80 85 100 Ambient temperature C Fig 8 3 Derating curve 2 Parallel operation z 5 Convection 0 2m s 8 50 ne 3 l 0 40 20 0 20 40 60 80 100 Ambient temperature C Fig 8 4 Derating curve Parallel operation 8 3 Derating curve SFS2048 1 Single series and parallel operation Natural convection cooling 0 2m s 00 Vin 60 76V T l T Vin 36 60V 5 60 Convection 0 2m s 8 50 3 oO Q i i j 0 l 40 20 0 20 40 60 65 8065 100 Ambient temperature C Fig 8 5 Derating curve Convection Forced air cooling 0 8m s
14. Others z1 S 50 ES i g f fe 1 ol T 0 i 40 20 0 20 40 60 75 80 85 100 Ambient temperature C Fig 8 18 Derating curve Forced air 0 8m s Forced air cooling 1 2m s 100 Vin 36 60V Forced air 1 2m s Load factor a oO 0 40 20 0 20 40 60 80 85 100 Ambient temperature C 100 SFS30481R8 lt 85 x Vin 60 76V i 5 Forced air 1 2m s Others 3 50 3 ise S 1 1 0 i 40 20 0 20 40 60 75 80 85 100 Ambient temperature C Fig 8 19 Derating curve Forced air 1 2m s SFS SFCS 24 COSEL Instruction Manual 9 SMD type Package Information 9 1 Delivery package information SFS series SMD type MiThese are packed in a tray Fig 9 1 9 2 MCapacity of the tray is 15 max In case of fractions the units are stored in numerical order 9 3 Ld oO Koj DBI Aj x oO vt Ww Dimension in mm Material Conductive PS Fig 9 1 Delivery package information SFS10 SFS15 SFS20
15. S _148 OFF or Open OVSVRC281 2V or Short ON 4 4 Alarm ALM pin Normal or abnormal operation of the unit can be monitored by us ing the ALM pin mWhen OVP or LVP are activated ALM pin becomes same level as Vin pin The sink current of ALM pin is 10mA max Sink current 10mA max ALM _ 8V typ Fig 4 3 ALM circuit COSEL Instruction Manual WEBy connecting ALM pin in parallel and series operation when one unit has shut down by overvoltage protection or low voltage pro tection other units will be shut down When alarm function is not use please open ALM pin Total number of units should be no more than 20 pieces 4 5 Start in out PO pin By connecting PO pin difference of start up voltage and stop volt age can be prevented Win parallel and series operation please connect each PO pin mu tually Total number of units should be no more than 20 pieces 4 6 Sequence The sequence time chart of Vin Vout PO ALM and RC pins is shown in Fig 4 4 20 200ms 200ms typ Vin Vout LVP set remote ON ALM Fig 4 4 Sequence time chart 4 7 Isolation For a receiving inspection such as Hi Pot test gradually increase decrease the voltage for a 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 5 Series and Parallel Operation 5 1 Series
16. d 4 Og o 4 o q nO Fig 1 1 Pin configuration SFS10 SFS15 SFS20 SFCS15 SFS30 SFCS30 pin mark only applicable for SFS Oq D n E m q Bry q L DO Fig 1 2 Pin configuration SFS30 SFCS30 Table 1 1 Pin configuration and function 2 Connection for Standard Use Win order to use the power supply it is necessary to wire as shown in Fig 2 1 Vin Vout DC Input Load ono Vin Vout Fuse SsW PO o RC ALM Fig 2 1 Connection for standard use MWhen remote ON OFF function is not used please open RC pin or short between RC and Vin pin When alarm function is not used please open ALM pin Win parallel and series operation connect each PO pin mutually When PO function is not used please open PO pin MThe SFS SFCS series handles only the DC input Avoid applying AC input directly l It will damage the power supply Operate with the convection or forced air cooling Reference 8 Derating 3 Wiring Input Output Pin 3 1 Wiring input pin 1 External fuse The SFS SFCS series is not internally fused To ensure safe op eration and to receive each Safety Standards approvals please install an e
17. nsasssssss aazicee Sk a Cleaning 7 7 7 77 7 7 7 174757 711mm 6 4 Mounting method 7 7 7 7 1 7777717155515 6 5 Storage method 7 7 7 7 7 7 GIG Siresstothe produci m Safety Considerations Derating e D ratingi curven SES 1048 4SES1548 m a 3 2a Deratingicuivel SESI5245 SECSiI5 i 8 3 Derating curve SFS2048 8 4 Deratingictivel SESe0245SECS30 ee SS Gis De liao GUIS Sk S3048 m scassga5as2esszcesonesesescssassoen lt ssaeseEees 9 SMD type Package Information 9 1 Delivery package information SFS series SMD type 9 2 Delivery package information SFCS series SMD type SFS SFCS 15 Instruction Manual CO EL SFS SFCS 16 SFS SFCS 16 SFS SFCS 16 SFS SFCS 16 SFS SFCS 17 SFS SFCS 18 SFS SFCS 18 SFS SFCS 18 SFS SFCS 18 SFS SFCS 18 SFS SFCS 19 SFS SFCS 19 SFS SFCS 19 SFS SFCS 19 SFS SFCS 19 SFS SFCS 20 SFS SFCS 20 SFS SFCS 20 SFS SFCS 20 SFS SFCS 20 SFS SFCS 21 SFS SFCS 21 SFS SFCS 21 SFS SFCS 21 SFS SFCS 21 SFS SFCS 21 SFS SFCS 22 SFS SFCS 22 SFS SFCS 22 SFS SFCS 23 SFS SFCS 25 SFS SFCS 25 SFS SFCS 25 CO EL Instruction Manual 1 Pin Configuration SFS10 SFS15 SFS20 SFCS15 pin mark only applicable for SFS e 4 O
18. roval using this power supply the following conditions must be met This unit must be used as a component of the end use equipment The equipment does neither contain any basic nor double rein forced insulation between input and output If the input voltage is greater than 60VDC this has to be provided by the end use equipment according to the final build in condition Safety approved fuse must be externally installed on input side 8 Derating Mit is necessary to note thermal fatigue life by power cycle Please reduce the temperature fluctuation range as much as pos sible when the up and down of temperature are frequently gener ated 8 1 Derating curve SFS1048 SFS1548 1 Single and series operation 100 80 SFS154815 4 Others 2 Vin 36 60V 5 Convection 0 2m s g 50 no oO fo eae 0 40 20 0 20 40 60 80 85 100 Ambient temperature C 100 80 SFS154815 Others x Vin 60 76V o Convection 0 2m s g 50 no is fo 0 i 40 20 0 20 40 60 75 80 100 Ambient temperature C Fig 8 1 Derating curve 2 Parallel operation 80 SF8154815 V
19. type Total time 2 minutes or less After cleaning dry them enough COSEL Instruction Manual 6 4 Mounting method Avoid placing pattern layout in hatched area in Fig 6 3 to insulate between pattern and power supply lt 38 7 gt 36 7 tH 2 gt _ lt Out line Top view K Dimensions in mm Fig 6 3 Prohibition area of pattern lay out 6 5 Storage method To stock unpacked products in your inventory it is recommended to be kept under controlled condition 5 30 C 60 RH and be used within a year 24 hours baking is recommended at 125 C if unpacked products was kept under uncontrol condition in which 30 C 60 RH or higher Original tray is not heat resistant please move them to heat resistant tray preparing to bake them To check moisture condition in the pack silica gel packet has some moisture condition indicator particle Indicated blue means good Pink means alarm to bake it HNotification the tray will be deformed and the power supply might be damaged if the vacuum pressure is too much to reseal 6 6 Stress to the product NSFS SFCS series transformer core and choke coil core are at tached by glue and there is a cover over the core which is at tached by a clasp There is a possibility that the core will be removed and power sup ply will be damaged when it took stress by the fall or some kind of stress 7 Safety Considerations WTo apply for safety standard app
20. xternal fuse fast blow type When the input voltage from a front end unit is supplied to multiple units install a fast blow type fuse in each unit Fuse must be connected to the Vin side if to Vin side is used as ground or fuse must be connected to Vin side if Vin side is used as a ground Table 3 1 Recommended fuse fast blow type Model SFS1524 SFCS1524 SFS3024 SFCS3024 Rated current 2A 4A Model SFS1048 SFS1548 SFCS1548 SFS2048 SFS3048 SFCS3048 Rated current 1A 2A No Pin Name Function NC SMD Not connected Adhesive dispensing Stopper DIP Stopper Vout DC output Vout DC output Vout DC output Vout DC output Vout DC output NC SMD Not connected Adhesive dispensing Stopper DIP Stopper NC SMD Not connected Adhesive dispensing NC DIP Not connected ALM Alarm RC Remote ON OFF 0 PO Start in out NC SMD Not connected Stopper DIP Stopper Vin DC input Vin DC input Vin DC input Vin DC input NC SMD Not connected Adhesive dispensing NC DIP Not connected Case connecting pin Isolated from internal circuit Only applicable for SFCS type C DIP SFS SFCS 16 COSEL Instruction Manual 2 External capacitor on the input side MWhen the distance from the DC line to the unit is greatly extended it makes the input feedback noise much higher and the input volt

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