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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 COMP1 6
12 IN2 – 11 COMP2
description 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.