Description

The FAN7585 is a fixed frequency improved performance pulse width modulation control circuit with complete house keeping circuitry for use in the secondary side of SMPS (Switched Mode Power Supply). It contains various functions, which are overvoltage protection, undervoltage protection, over current protection, remote on/off control, power good signal generator, etc.

Features

• Complete PWM Control and House Keeping Circuitry

• Few External Components

• Precision Voltage Reference Trimmed to 2

• Dual Output for Push-Pull Operation

• Each Output TR for 200mA Sink Current

• Variable Duty Cycle by Dead Time Control

• Soft Start Capability by Using Dead Time Control

• Double Pulse Suppression Logic

• Over Voltage Protection for 3.3V/5V/12V

• Under Voltage Protection for 3.3V/5V/12V

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

• One More External Input for Various Protection (PT)

• Remote On/Off Control Function (PS-ON)

• Latch Function Controlled by Remote and Protection Input

• Power Good Signal Generator with Hysteresis

Typical Application

• PC Power Supply