KA7552 PDF Datasheet – PWM Controller

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




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



KA7552 block diagram


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