KA3882/3/4/5 SMPS CONTROLLER CURRENT MODE PWM CONTROLLER The KA3882/3/4/5 are fixed PWM controller for Off-Line and DC to DC converter applications. The internal circuits include UVLO, low start up current circuit, temperature compensated reference, high gain error amplifier, current sensing comparator, and high current totempole output for driving a POWER.
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• Low Start Current 0.2mA (typ) Operating Range Up To 500KHz Cycle by Cycle Current Limiting Under Voltage Lock Out With Hysteresis Short Shutdown Delay Time: typ.100ns High Current Totempole Output Output Swing Limiting: 22V
ORDERING INFORMATION
Device KA388X KA388XD Package 8 DIP 8 SOP Operating Temperature 0 ~ + 85 0 ~ + 85
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BLOCK DIAGRAM
Rev. B
©1999 Fairchild Semiconductor Corporation
KA3882/3/4/5
SMPS CONTROLLER
ABSOLUTE MAXIMUM RATINGS
Characteristic Supply Voltage Output Current Analog Inputs (pin 2, 3) Error Amp. Output Sink Current Power Dissipation Symbol VCC .
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | KA388 |
Samsung |
CURRENT MODE PWM CONTROLLER | |
2 | KA3882 |
Fairchild |
SMPS CONTROLLER | |
3 | KA3882C |
Fairchild |
SMPS Controller | |
4 | KA3883C |
Fairchild |
SMPS Controller | |
5 | KA3884 |
Fairchild |
SMPS CONTROLLER | |
6 | KA3885 |
Fairchild |
SMPS CONTROLLER | |
7 | KA388X |
Samsung |
CURRENT MODE PWM CONTROLLER | |
8 | KA388XD |
Samsung |
CURRENT MODE PWM CONTROLLER | |
9 | KA3842 |
ETC |
CurrentMode PWM Controller | |
10 | KA3842A |
Wing Shing Computer Components |
PWM CONTROLLER | |
11 | KA3842AC |
Fairchild Semiconductor |
SMPS Controller | |
12 | KA3842AE |
Fairchild Semiconductor |
SMPS Controller |