TL1454 - Dual-Channel PWM Controller
The TL1454 is a dual-channel pulse-width-modu- GND 7 OUT1 8 10 VCC 9 OUT2 lation (PWM) control circuit, primarily intended for low-power, dc/dc converters. Applications include LCD displays, backlight inverters, notebook com- puters, and other products requiring small, high-frequency, dc/dc co.
TL1454, TL1454Y DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM) CONTROL CIRCUIT SLVS086B APRIL 1995 REVISED NOVEMBER 1997 D Two Complete PWM Control Circuits D, N OR PW PACKAGE D Outputs Drive MOSFETs Directly (TOP VIEW) D Oscillator Frequency . . . 50 kHz to 2 MHz D 3.6-V to 20-V Supply-Voltage Range D Low Supply Current . . . 3.5 mA Typ CT RT DTC1 1 2 3 16 REF 15 SCP 14 DTC2 D Adjustable Dead-Time Control, 0% to 100% IN1 + 4 13 IN2 + D 1.25-V Reference IN1 5.
