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UD052012 - HIGH EFFICIENCY 1MHz 2A SYNCHRONOUS STEP-DOWN CONVERTER

General Description

The UTC UD052012 is a high efficiency, high frequency synchronous DC-DC step-down converter.

The 100% duty cycle feature provides low dropout operation, extending battery life in portable systems.

Key Features

  • 2.5V~6V Input Voltage Range.
  • 0.6V Reference Voltage.
  • 2A Output Current.
  • Low RDS(ON) for Internal Switch: 140/90 mΩ (Top/Bottom).
  • 1MHz Switching Frequency.
  • Internal Soft-Start Limits the Inrush Current.
  • Internal Compensation Function.
  • 100% Dropout Operation.
  • Input Over Voltage Protection.
  • Over Current Protection.
  • Short Circuit Protection.
  • Over Temperature Protection with Auto Recovery.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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UNISONIC TECHNOLOGIES CO., LTD UD052012 Advance LINEAR INTEGRATED CIRCUIT HIGH EFFICIENCY 1MHz 2A SYNCHRONOUS STEP DOWN CONVERTER  DESCRIPTION The UTC UD052012 is a high efficiency, high frequency synchronous DC-DC step-down converter. The 100% duty cycle feature provides low dropout operation, extending battery life in portable systems. The internal synchronous switch increases efficiency and eliminates the need for external Schottky diode. At shutdown mode, the input supply current is less than 1µA. The UTC UD052012 fault protection includes over current protection, short circuit protection, UVLO and thermal shutdown. The Internal soft-start function prevents inrush current at turn-on.  FEATURES * 2.5V~6V Input Voltage Range * 0.