TL1451ACDBR Datasheet

Dual Pulse-Width-Modulation Control Circuits


The TL1451ACDBR 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 dead-time comparators, undervol-tage lockout circuitry, and dual common-emitter output transistor circuits. TL1451ACDBR Features • Complete PWM Power Control Circuitry• Completely Synchronized Operation• Internal Undervoltage Lockout Protection• Wide Supply Voltage Range• Internal Short-Circuit Protection• Oscillator Frequency...500 kHz Max• Variable Dead Time Provides Control Over Total Range• Internal Regulator Provides a Stable 2.5-V Reference Supply• Available in Q-Temp Automotive HighRel Automotive Applications Configuration Control / Print Support Qualification to Automotive Standards


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