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TL1451 - DUAL PULSE-WIDTH-MODULATION CONTROLLER

General Description

The UTC TL1451 incorporates on a single monolithic chip all the functions required in the construction of two pulse-width-modulation (PWM) control circuits.

Key Features

  • S.
  • Complete PWM power control circuitry.
  • Completely synchronized operation.
  • Internal undervoltage lockout protection.
  • Wide supply voltage range.
  • Internal Short-Circuit protection.
  • Oscillator frequency 500kHz max.
  • Variable dead time provides control over total range.
  • Internal regulator provides a stable 2.5V reference supply.

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Full PDF Text Transcription (Reference)

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UNISONIC TECHNOLOGIES CO., LTD TL1451 LINEAR INTEGRATED CIRCUIT DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS SOP-16  DESCRIPTION The UTC TL1451 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 UTC TL1451 contains an on-chip 2.5V regulator, two error amplifiers, an adjustable oscillator, two dead-time comparators, undervoltage lockout circuitry, and dual common –emitter output transistor circuits.