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P1885 - PWM CONTROL 2A STEP-DOWN CONVERTER

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General Description

UTC P1885 consists of 2A step-down switching regulator control which includes a reference voltage source, oscillation circuit, error amplifier, internal PMOS and etc with PWM.

Overview

UNISONIC TECHNOLOGIES CO., LTD P1885 LINEAR INTEGRATED CIRCUIT PWM CONTROL 2A STEP-DOWN CONVERTER.

Key Features

  • S.
  • Soft-start, Current Limit, Enable function.
  • Thermal Shutdown function.
  • Built-in internal SW P-channel MOS.
  • Input voltage: 3.6V to 23V.
  • Output voltage: 0.8V to VCC.
  • Duty ratio: 0% to 100% PWM control.
  • Oscillation frequency: 300KHz typ.

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