Description

The CS384XB provides all the neces sary features to implement off-line fixed frequency current-mode control with a minimum number of external components. The family has been optimized for very low start up current(300µA, typ).

Features

■ Very low Start Up Current (300µA typ)

■ Optimized Off-line Control

■ Internally Trimmed, Temperature Compensated Oscillator

■ Maximum Duty-cycle Clamp

■ VREF stabilization before Output Enable

■ Pulse-by-pulse Current Limiting

■ Improved Undervoltage Lockout

■ Double Pulse Suppression

■ 1% Trimmed Bandgap Reference

■ High Current Totem Pole Output