This post explains for the semiconductor KA7552.
The Part Number is KA7552. The Package is DIP 8 pin.
The function of this semiconductor is PWN CONTROLLER.
Manufacturer: Samsung
Images
Description
The KA7552 is switching power control IC for wide operating frequency range. The internal circuits include pulse by pulse current limiting, protection, on/off control by external trigger, low standby current, soft start, and high current totempole output for driving a Power MOS-FET
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Pinout
Features
1. Wide Operating Frequency Range ( 5Khz ~ 600Khz )
2. Pulse by Pulse over current limiting
3. Over load protection
4. On/Off control by external trigger
5. Internal UVLO
6. Soft Start circuit
KA7552 Datasheet
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