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P4596 - PWM CONTROL 3A STEP-DOWN CONVERTER

General Description

The UTC P4596 consists of 3A step-down switching regulator with PWM control which includes a reference voltage source, oscillation circuit, error amplifier, internal PMOS and etc.

Key Features

  • S.
  • Input voltage：8V~40V.
  • Duty ratio：0%~100% PWM control.
  • Enable with Soft-Start function.
  • Oscillation frequency can be set by outside resistance.
  • Current Limit, SCP and OTP.

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Full PDF Text Transcription (Reference)

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UNISONIC TECHNOLOGIES CO., LTD P4596 Preliminary LINEAR INTEGRATED CIRCUIT PWM CONTROL 3A STEP-DOWN CONVERTER  DESCRIPTION The UTC P4596 consists of 3A step-down switching regulator with PWM control which includes a reference voltage source, oscillation circuit, error amplifier, internal PMOS and etc. The UTC P4596 can provide low-ripple power, high efficiency, and excellent transient characteristics and an enable function, an over current protect function and a short circuit protect function are built inside, And the PWM control circuit can vary the duty ratio linearly from 100 down to 0%. This converter also includes an error amplifier circuit as well as a soft-start circuit that prevents overshoot at startup.