TL1451ACNS

双脉宽调制控制电路 DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS

description

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 dead-time comparators, undervol tage lockout circuitry, and dual common-emitter output transistor circuits.

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