Basic characteristics data • Instruction manual
Contents
1. Vin Vout 2 0 Example MGW152412 COSEL Instruction Manual Point A Center of the Case 11 Note to use 5V output Vin Vout p R LOAD 100 TE COM RS LOAD 0 5 Vin Vout T Fig 12 2 Temperature measuring point Top View WEThe warranty period is basically 10 years however it depends on Fig 11 1 Example of decreasing the fluctuation of output voltage Mare rare g p 2 p 9 the lifetime expectancy which is shown in Fig 12 1 if it is less than Wilf an output current is 0 to 5 of the rated current the output is 10 years influenced by the other output load condition 20 output voltage fluctuation may occer 12 2 MG30 MGF30 Lifetime expectancy depends on To avoid the fluctuation external bleeding resister is required to stress by temperature difference draw sufficient current ra Product lifetime expectancy depends on case temperature differ ence ATc and number of cycling in a day is shown in Fig 12 3 It 1 1 is calculated based on our accelerated process test result 1 2 Lifetime expectancy depends on If case temperature changes frequently by changing output load factor etc the above the lifetime expectancy design should be stress by temperatu re difference applied as well And point A which is shown in Fig 12 4 must keep below 110 C Regarding lifetime expectan2. SN za J Fig 12 4 Temperature measuring point Top View z z G 10 ae 5 g NE BEN a HiThe warranty period is basically 10 years however it depends on Q z aT 5 z ARE amp H a D the lifetime expectancy which is shown in Fig 12 3 if it is less than o H _ itime ON OFF 1day EE a a S ge sH eae 2times ON OFF 1 day m gt a 0 years Fa eee 3times ON OFF 1day Eon ras 2 4times ON OFF 1day dba a Peer eeetere rey 5times ON OFF 1 day 25 30 35 40 45 50 55 60 65 70 75 80 Rise fall temperature difference at point A ATc C Fig 12 1 Lifetime expectancy against rise fall temperature difference MG 27
3. 60 80 85 100 Ambient temperature Ta C Fig 8 1 Derating Curve for Convection Cooling Rated Input Voltage 2 In the case of Forced Air Cooling 1 0m s Excluding MGW15 _j05 MGFW15 _ 05 Forced air 1 0m s 50 Load factor 40 20 0 20 40 60 80 85 100 Ambient temperature Ta C Fig 8 2 Derating Curve for Forced Air Cooling 1 0m s Rated Input Voltage MG 24 3 In the case of Forced Air Cooling 1 0m s 2 5m s MGW15 _ 05 MGFW15 _ 05 100 J A x Forced air TO 2 1 0 m s amp 50 2 5m s ne oO e i g 40 20 0 20 40 60 80 85 100 Ambient temperature Ta C Fig 8 3 Derating Curve for Forced Air Cooling 1 0m s 2 5m s Rated Input Voltage 4 Temperature Measuring Point on the case Win case of forced air cooling please have sufficient ventilation to keep the temperature of point A in Fig 8 4 at 105 C or below Please also make sure that the ambient temperature does not ex ceed 85C Point A Center of the Case Fig 8 4 Temperature Measuring Point on the case Top View 8 2 MG30 MGF30 Derating Curve Wif you derate the output current you can use the unit in the tem perature range from 40 C to the maximum temperature shown below 1 In the
4. Load ef ee Vout Vout Q _ MGS MGFS MGW MGFW Fig 3 3 Connecting Example of an External Capacitor to the Output Side MG 22 Input ZL Load a Vout Fig 3 4 Connecting Example 4 Series Parallel Operation 4 1 Series Operation WYou can use the power supplies in series operation by wiring as shown below In the case of a below the output current should be lower than the rated current for each power supply with the lowest rated current among power supplies that are serially con nected Please make sure that no current exceeding the rated current flows into a power supply a Power Supply _ Power Supply _ Load COSEL Instruction Manual b Power Supply _ g 3 Power 3 Supply Fig 4 1 Series Operation 4 2 Redundancy Operation WYou can use the power supplies in redundancy operation by wiring as shown below Power Supply Power Supply Fig 4 2 Redundancy Operation Load WEven a slight difference in output voltage can affect the balance between the values of h and l2 Please make sure that the value of Is does not exceed the rated current for each power supply Is lt Rated Current Value 5 Input Voltage Current Range lf you use a non regulated power source for input please check
5. and make sure that its voltage fluctuation range and ripple voltage do not exceed the input voltage range shown in specifications Please select an input power source with enough capacity taking into consideration of the start up current lp which flows when a DC DC converter starts up A Input Voltage Range lt i a Ip g 5 O 5 a Input Voltage V Fig 5 1 Input Current Characteristics 6 Assembling and Installation 6 1 Installation HWhen two or more power supplies are used side by side position them with proper intervals to allow enough air ventilation Ambi ent temperature around each power supply should not exceed the temperature range shown in derating curve 6 2 Hand Mounting Due to prevent failure PS should not be pull after soldering with PCB 6 3 Soldering Conditions 1 Flow Soldering 260 C 15 seconds or less 2 Soldering Iron maximum 360 C 5 seconds or less 6 4 Stress to Pin Applying excessive stress to the input or output pins of the power module may damage internal connections Avoid applying stress in excess of that shown in Fig 6 1 Winput output pin are soldered to the PCB internally Do not pull or bend a lead powerfully Wilf it is expected that stress is applied to the input output pin due to vibration or impact reduce the stress to the pin by taking such measures as fixing the unit to the PCB by silicone rubber etc l 19 6N 2kgf 19 6N 2kg
6. below Hilf output voltage adjustment is not required open the TRM pin Output voltage adjustment may increase to overvoltage protection activation range based on determined external resister values Output External Resistor Vout TRM a External VR Load External Resistor R2 Vout Fig 2 1 Connecting External Devices Table 2 1 List of External Devices Constant of External Device Q Item Output Voltage Adjustable within 10 VR R1 R2 1 GOV 1k 100 100 2 5V 1k 100 270 3 12V 5k 10k 1 5k 4 15V 5k 10k 1k 5 5V 6 12V 7 15V 2 6 Remote ON OFF MThe remote ON OFF function is incorporated in the input circuit and operated with RC and Vin If positive logic control is re quired order the power supply with R option Table 2 2 Remote ON OFF Specifications shoe F Between RC and Vin Output voltage L level 0 1 2V or short ON E E H level 3 12V or open OFF Optional Beckie L level 0 1 2V or short OFF R H level 3 12V or open ON MWhen RC is at low level a current of 0 5mA typ will flow out MWhen remote ON OFF is not used short RC and Vin Vcc RCO _ p RC Ch Vin B Vin Transistor RC O e O rae Vin IC Relay Fig 2 2 RC Connection Example 3 Wiring to Input Output Pin 3 1 Wiring input pin EMG series
7. case of Convection Cooling 100 Natural Convection Load factor 50 MGFS302412 MGFW302415 4815 MGFS302415 4812 4815 others g 40 20 0 20 40 55 60 80 85 100 Ambient temperature Ta C Fig 8 5 Derating Curve for Convection Cooling Rated Input Voltage COSEL Instruction Manual 2 In the case of Forced Air Cooling 1 0m s Excluding MGW30 _ 05 and MGFW30 _ 1 2 15 100 Forced air 1 0m s 50 Load factor 40 20 0 20 40 60 80 85 100 Ambient temperature Ta C Fig 8 6 Derating Curve for Forced Air Cooling 1 0m s Rated Input Voltage 3 In the case of Forced Air Cooling 1 0m s 1 5m s MGW30 _05 and MGFW30 _ 12 15 100 T ANO Forced air 2 1 0 m s amp 50 1 5m s ne oO e oj 40 20 0 20 40 60 80 85 100 Ambient temperature Ta C Fig 8 7 Derating Curve for Forced Air Cooling 1 0m s 1 5m s Rated Input Voltage 4 Temperature Measuring Point on the case ln case of forced air cooling please have sufficient ventilation to keep the temperature of point A in Fig 8 8 at 110 C or below Please also make sure that the a
8. 0 100 5 330 330 12 100 100 15 47 47 x If you use a ceramic capacitor keep the capacitance within the rage between about 0 1 to 22 uF Please adjust the capacitance in light of the effect you want to achieve x If you need to use an unproven external capacitor which capaci tance moreover the range provided in Table 3 2 please contact us for the assistance Hilf the distance between the output and the load is long and there fore the noise is generated on the load side connect a capacitor Model MG15 MG30 Input Voltage V 12 220 220 24 100 100 48 47 47 IBZ 100 100 24 48 47 47 externally to the load as shown below Vout Please adjust the capacitance in accordance with a degree of the effect you want to achieve Hilf a reverse polarity voltage is applied to the input pin the power supply will fail If there is a possibility that a reverse polarity voltage is applied connect a protection circuit externally as described below Fuse Vin input Schottky Barrier P Diode Vin Fig 3 2 Connecting a Reverse Voltage Protection Circuit 3 2 Wiring output pin Wif you want to further reduce the output ripple noise connect an electrolytic capacitor or a ceramic capacitor Co to the output pin as shown below Vout _ _ __ oe Co Load Co Load COM O 4 Co
9. COSEL Basic Characteristics Data Basic Characteristics Data a ries Parallel Model Circuit method frequency einen guiren ae TF operat i reference A protection Material sided ede OA qe MG15 Flyback converter 445 495 x1 glass fabric base epoxy resin Yes Yes 2 MGF15_ Flyback converter 445 495 1 glass fabric base epoxy resin Yes Yes x2 MG30 Forward converter 380 460 1 glass fabric base epoxy resin Yes Yes 2 MGF30 Forward converter 380 460 x1 glass fabric base epoxy resin Yes Yes x2 1 Refer to Specification 2 Refer to the Instruction Manual MG 18 DC DC Converters PCB Mount Type Pin Configuration Functions 2 En pU VoltageiRange M ea a 22ER OVerc rentProtectionk 22ER OVenNoltagelRrotectioni sarees PARIS OLA ON o o e e eaa 2 5 Output Voltage Adjustment Range ZO Remote ONORE a a Wiring to Input Output Pin me 21 3 1 3 2 Series Parallel Operation e z 4 1 4 2 Wiring input pin Wiring output pin Series Operation RedundancyOperation a Input Voltage Current Range 6 Assembling and Installation GullemINStallatiOny 62 amHandiMounting e na 6 3 Soldering Conditions 6 4 Stress to Pin coRE latin Geen ree ne Safety Standards Derating 8 1 MG15 MGF15 Derating Curve 8 2 MG30 MGF30 Derating Curve 9
10. Peak Current Pulse Load Using DC DC Converters MG 20 MG 23 MG 23 MG 25 MG 26 Instruction Manual CO EL Note to use 5V output 27 Wel 122 Lifetime expectancy depends on g stress by temperature difference MG15 MGF15 Lifetime expectancy depends on stress by temperature difference MG 27 MG30 MGF30 Lifetime expectancy depends on stress by temperature difference MG 19 COSEL Instruction Manual 1 Pin Configuration Table 1 1 Pin Configuration and Functions MG15 Pin No Pin Name Function Vin DC Input Vin DC Input IRC Remote ON OFF Vout DC Output TRM Output Voltage Adjustment please see 2 5 COM GND of Output Voltage for Dual Output Vout DC Output Single Output lt Top view gt RC Vout Input Ain TRM O Load Vin Vout Dual Output lt Top view gt RC Vout Load m 0 Vin Input COM O Load a Vin Load Vout O Fig 1 1 Pin Configuration MG15 Table 1 2 Pin Configuration and Functions MG30 Pin No Pin Name Function Vin DC Input 4 Vin DC Input RC Remote ON OFF Vout DC Output Vout DC Output for Single Output COM GND of Output Voltage for Dual Output TRM Output V
11. cy design of solder joint following es contents must be considered a 15 It must be careful that the soldering joint is stressed by tempera 2 RNE E ture rise and down which is occurred by self heating and ambient T Z 10 temperature change g J o ias The stress is accelerated by thermal cycling therefore the tem Q I ta Sy Renee 1time ON OFF 1day x Sad perature difference should be minimized as much as possible if g sH 2times ON OFF 1 day FL gt LLN Sig es 3times ON OFF 1day ee temperature rise and down is occurred frequently amp H times ON OFF 1day Se ae H eed 5times ON OFF 1 day 12 1 MG15 MGF15 Lifetime expectancy depends on sa a o as s S i o o ee ee stress by temperature difference Rise fall temperature difference at point A 4 Tc C Product lifetime expectancy depends on case temperature differ Fig 12 3 Lifetime expectancy against rise fall temperature difference ence ATc and number of cycling in a day is shown in Fig 12 1 It is calculated based on our accelerated process test result If case temperature changes frequently by changing output load factor etc the above the lifetime expectancy design should be applied as well And point A which is shown in Fig 12 2 must keep below 105 C Point A Center of the Case lt x W wW 15 gt
12. e GND level Vout Vout Vin dL Example MGS151212 m 12V To provide a negative voltage to Vin by using Vin side of the converter as GND potential OV Vin Vin Vout 5V Vout Example MGS154805 ETo draw the sum of input voltage and plus output voltage 12V Vin MG 26 Vin Vout Vout me 27V i gt 0 Example MGS151215 W177 Output current should be the same as the rated output current of the converter Output current fluctuation is the sum of the input voltage fluctua tion and the output voltage fluctuation of the converter To use a dual output type Dual output type is typically used in the following manner Vin Vout COM Vout m _ 12V ae 12V Vin L Example MGW152412 x The unit can be used as a 24V type single output power supply as follows Vin Vout COM Vout m 24V Vin He i Example MGW152412 x Another way to use the unit is described below The sum of 12V and 24V flows to the OV line Please make sure that this value does not exceed the rated output current of the converter Vin Vout COM Vout m 24V m _ 12V WiTo draw 48V output Vin 0 J Example MGW152412 J 48V a Vin Vout pa COM Vin Vout Vin Vout COM
13. e the power supply may fail when a voltage greater than the rated output voltage is applied from an external power supply to the output terminal of the power supply This could happen in in coming inspections that include OVP function test or when voltage is applied from the load circuit COSEL Instruction Manual 2 4 Isolation MWhen you run a Hi Pot test as receiving inspection gradually increase the voltage to start When you shut down decrease the voltage gradually by using a dial Please avoid a Hi Pot tester with a timer because when the timer is turned ON or OFF it may gen erate a voltage a few times higher than the applied voltage 2 5 Output Voltage Adjustment Range MGS MGFS Only HThe output voltage is adjustable through an external potentiom eter Adjust only within the range of 10 of the rated voltage WiTo increase the output voltage turn the potentiometer clockwise and connect in such a way that the resistance value between 2 and 3 becomes small To decrease the output voltage turn the potentiometer counter clockwise Please use a wire as short as possible to connect to the potenti ometer and connect it from the pin on the power supply side Tem perature coefficient deteriorates when some types of resistors and potentiometers are used Please use the following types Resistor Metal Film Type Temperature Coefficient of t100ppm C or below Potentiometer Cermet Type Temperature Coefficient of t800ppm C or
14. f or less or less Fig 6 1 Stress onto Pins 6 5 Cleaning Wif you need to clean the unit please clean it under the following conditions Cleaning Method Varnishing Ultrasonic or Vapor Cleaning Cleaning agent IPA Solvent type Cleaning Time Within total 2 minutes for varnishing ultrasonic and vapor cleaning Please dry the unit sufficiently after cleaning Hilf you do ultrasonic cleaning please keep the ultrasonic output at 15W 2 or below MG 23 CO EL Instruction Manual 7 Safety Standards WTo apply for a safety standard approval using the power supply please meet the following conditions Please contact us for de tails Please use the unit as a component of an end device The area between the input and the output of the unit is isolated functionally Depending upon the input voltage basic insulation dual insulation or enhanced insulation may be needed In such case please take care of it within the structure of your end device Please contact us for details 8 Derating 8 1 MG15 MGF15 Derating Curve Wif you derate the output current you can use the unit in the tem perature range from 40 C to the maximum temperature shown below 1 In the case of Convection Cooling 100 zX 2 Natural Convection S 50 MGW150105 MGFW15 _j05 g others e a 240 20 0 20 40 55
15. has Pi shaped filter internally You can add a capacitor Ci near the input pin termilal and reduce reflected input noise from the converter Please connect the ca pacitor as needed MWhen you use a capacitor Ci please use the one with high fre quency and good temperature characteristics Wif the power supply is to be turned ON OFF directly with a switch inductance from the input line will induce a surge voltage several times that of the input voltage and it may damage the power supply Make sure that the surge is absorbed for example by connecting an electrolytic capacitor between the input pins MG 21 CO EL Instruction Manual Wilf an external filter containing L inductance is added to the input line or a wire from the input source to the MG series is long not only the reflected input noise becomes large but also the output of the converter may become unstable In such case connecting Ci to the input pin is recommended Wif you use an aluminum electrolytic capacitor please pay attention to the ripple current rating L Vin vo 000 Input Ci Vin Fig 3 1 Connecting an External Capacitor to the Input Side Table 3 1 Recommended Capacitance of an External Capacitor on the Input Side uF Table 3 2 Recommended Capacitance of External Capacitor on the Output Side uF Model MG15 MG30 Output Voltage V 3 470 470 5 470 470 12 150 150 18 10
16. mbient temperature does not ex ceed 85 C Point A Center of the Case Fig 8 8 Temperature Measuring Point on the case Top View 9 Peak Current Pulse Load Wilf a load connected to a converter is a pulse load you can provide a pulse current by connecting an electrolytic capacitor externally to the output side lop Vin Vout C 7 COM Pulse Load Vo Vin Vout External Electrolytic Capacitor lop lop Current at Peak Waveform of Pulse Is Steady state Current Load Current a fis 0 AVo Waveform of Output Voltage A Vo Fluctuation of 0 Output Voltage The average output current lav is expressed in the following for mula lop Is Xt lav Is T WRequired electrolytic capacitor C can be obtained from the follow ing formula lop lav Xt z A Vo MG 25 CO EL Instruction Manual 10 Using DC DC Converters EWhen using AC power source il gt t MWhen using a battery operated device Vin Vin J Vin Vout gt 15V COM 0 Vin Vout gt 15V WT Vout 15V ae 0 Vout 15V HWhen a floating mechanism is required for the output circuit Vin WTo draw a reverse polarity output 12V Vin Vout Load Vout i Floating from zzz th
17. oltage Adjustment please see 2 5 Vout DC Output for Dual Output MG 20 Single Output lt Top view gt RC TRM O Vin Vout C l cat 0 Vout Dual Output lt Top view gt Vout Be ou PO Vin COM Load Input o Vin Vout ou i AO Fig 1 2 Pin Configuration MG30 2 Functions 2 1 Input Voltage Range Hilf output voltage value doesn t fall within specifications a unit may not operate in accordance with specifications and or fail 2 2 Overcurrent Protection Overcurrent Operation An overcurrent protection circuit is built in and activated at 105 of the rated current or above It prevents the unit from short circuit and overcurrent for less than 20 seconds The output voltage of the power supply will recover automatically if the fault causing over current is corrected When the output voltage drops after OCP works the power supply enters a hiccup mode where it repeatedly turns on and off ata certain frequency 2 3 Overvoltage Protection Excluding MG15 Over Voltage Protection OVP is built in When OVP works out put voltage can be recovered by shutting down DC input for at least one second or by turning off the remote control switch for one second without shutting down the DC input The recovery time varies according to input voltage and input capacitance Remarks Note that devices insid
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