TL1451A Datasheet (Texas Instruments)

TL1451A, Dual PWM Controller

The TL1451A incorporates on a single monolithic chip all the functions required in the construction of two pulse-width-modulation (PWM) control circuits.

Designed primarily for power-supply control, the TL1451A contains an on-chip 2.5-V regulator, two error amplifiers, an adjustable oscillator, two

ąą TL1451A DUAL PULSEĆWIDTHĆMODULATION CONTROL CIRCUITS ą SLVS024E FEBRUARY 1983 REVISED NOVEMBER 1999 D Complete PWM Power Control Circuitry D Completely Synchronized Operation D Internal Undervoltage Lockout Protection D Wide Supply Voltage Range D Internal Short-Circuit Protection D Oscillator Frequency .

500 kHz Max D Variable Dead Time Provides Control Over Total Range D Internal Regulator Provides a Stable 2.5-V Reference Supply D Available in Q-Temp Automotive Hi