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UD32121 Datasheet 1.4MHz STEP-DOWN CONVERTER

Manufacturer: Unisonic Technologies

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General Description

The UTC UD32121 is a monolithic step-down switching mode converter with a built-in power MOSFET.

It regulates input voltages from 4.5V to 32V down to an output voltage as low as 0.81V, and supplies up to 1.2A of load current.

Current mode operation provides fast transient response and eases loop stabilization.

Overview

UNISONIC TECHNOLOGIES CO., LTD UD32121 LINEAR INTEGRATED CIRCUIT 1.2A, 32V, 1.

Key Features

  • S.
  • 1.2A Peak Output Current.
  • 0.35Ω Internal Power MOSFET Switch.
  • Stable with Low ESR Output Ceramic Capacitors.
  • Up to 92% Efficiency.
  • 0.1μA Shutdown Mode.
  • Fixed 1.4MHz Frequency.
  • Thermal Shutdown.
  • Cycle-by-Cycle Over Current Protection.
  • Wide 4.5V to 32V Operating Input Range.
  • Output Adjustable from 0.81V to 15V.

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