UCC3803PWG4 Datasheet PDF - TI

DESCRIPTION

●The UCC1800/1/2/3/4/5 family of high-speed, low-power integrated circuits contain all of the control and drive components required for off-line and DC-to-DC fixed frequency current-mode switching power supplies with minimal parts count.

●FEATURES

●•100µA Typical Starting Supply Current

●•500µA Typical Operating Supply Current

●•Operation to 1MHz

●•Internal Soft Start

●•Internal Fault Soft Start

●•Internal Leading-Edge Blanking of the Current Sense Signal

●•1 Amp Totem-Pole Output

●•70ns Typical Response from Current-Sense to Gate Drive Output

●•1.5% Tolerance Voltage Reference

●•Same Pinout as UC3842 and UC3842A