Description

The CS5106 is a fixed frequency, current mode controller with one single NFET driver and one dual FET, synchronous driver. The synchronous driver allows for increased efficiency of the main isolated power stage and the single driver allows the designer to develop auxiliary supplies for controller power as well as secondary side house keeping. In addition, because the synchronous drivers have programmable FET non-overlap, the CS5106 is an ideal controller for soft-switched converter topologies.

Features

■ Programmable Fixed Frequency

■ Programmable FET Nonoverlap

■ Enable Lead

■ 12V Fixed Auxiliary Supply Control

■ Under and Overvoltage Shutdown

■ Output Undervoltage Protection with Timer

■ Master/Slave Clock Syncing Capability

■ Sync Frequency Range Detection

■ 80ns PWM Propagation Delay

■ 20mA 5V Reference Output

■ Small 24 lead SSOP Package

■ Controlled Hiccup Mode