Cosel MMC8A Instructions Manual

Flyback converter

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Basic Characteristics Data
Model
Circuit method
MMC8A
Flyback converter
MMC50A
Flyback converter
MMC75B
Forward converter
MMC
MMC100B
Forward converter
*1
Please refer to Series Parallel operation in the instruction manual.
*
The switching frequency of single ended flyback method changes according to input voltage and load factor.
*
The value of input current shown is at AC IN 100V and rated load.
MMC-10
Basic Characteristics Data
Switching
Input
frequency
current
[kHz]
[A]
70 - 250
0.2
75 - 390
1.23
140
1.73
140
2.6
Inrush
Rated
current
input fuse
protection
Material
125V 2A
Resistor
CEM-3
125V 3A
Thermistor
CEM-3
125V 5A
SCR
CEM-3
125V 5A
SCR
FR-4
June 29, 2011
Series/Parallel
PCB/Pattern
operation availability
Single
Double
Series
operation
operation
sided
sided
* 1
Yes
* 1
Yes
* 1
Yes
* 1
Yes
Parallel
No
No
No
No

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Summary of Contents for Cosel MMC8A

  • Page 1 Circuit method current Single Double Series Parallel input fuse protection Material [kHz] operation operation sided sided MMC8A Flyback converter 70 - 250 125V 2A Resistor CEM-3 MMC50A Flyback converter 75 - 390 1.23 125V 3A Thermistor CEM-3 MMC75B Forward converter 1.73...
  • Page 2 AC-DC Power Supplies Enclosed type Instruction Manual Terminal Block MMC-12 Function MMC-12 MMC-12 Input voltage range MMC-12 Inrush current limiting MMC-12 Overcurrent protection MMC-13 Overvoltage protection MMC-13 Output voltage adjustment range MMC-13 Isolation MMC-13 Minimum output current of +5V Series Operation and Parallel Operation MMC-14 Assembling and Installation Method MMC-14...
  • Page 3 Instruction Manual AC-DC Power Supplies Enclosed type MMC50A 1 Terminal Block The thermistor is used for protection from inrush current. When power is turned ON/OFF repeatedly within a short period of time, lMMC8A it is necessary to have enough time for power supply to cool down.
  • Page 4 Instruction Manual AC-DC Power Supplies Enclosed type lMMC50A 2.4 Overvoltage protection MMC50A MMC75B MMC100B In V1, overvoltage protection circuit is built-in to be operated at 115 - 140% of the rated voltage. When this function operates, in- put should be shut off, and then wait for 2 minutes( ). Output volt- age will be recovered after applying input voltage.
  • Page 5 Instruction Manual AC-DC Power Supplies Enclosed type MMC8A 3 Series Operation and (1)Mounting method Parallel Operation Series operation with V2 and V3 is available by connecting the outputs of the unit as shown below. Output current in series con- nection should be lower than the lowest output current of the unit.
  • Page 6 Instruction Manual AC-DC Power Supplies Enclosed type lMMC100B (1)Mounting method (2)Derating curve 4.3 Mounting screw Keep isolation distance between screw and internal components as below chart. Unit:[mm] Model Model MMC 50A MMC 100B MMC-15 June 29, 2011...

This manual is also suitable for:

Mmc50aMmc75bMmc100b

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