Descriptions

The KA3502 is complete housekeeping circuitry for use in the secondary side of SMPS(Switched Mode Power Supply). It contains various functions, which are two Precision Voltage References, Over Voltage/Current Protection, Remote On/Off Control, Power Good Signal Generator, Disable Logic and etc.

Features

• Complete Housekeeping Circuit

• Few External Components

• Over Voltage Protection for 3.3V/5V/12V/Adj. Output

• Over Current Protection for 3.3V/5V/12V Output

• Open-Collector Output and Remote On/Off Function

• Remote On/Off Delay Time Control

• Precision Voltage Reference for Outputs, 5V/12V

• Uncommitment Precision Voltage Reference for +5Vs

• Power Good Signal Generator with Hysteresis

• Disable Logic of 3.3V, 5V, 12V for Complete Shutdown