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UD05124 - HIGH EFFICIENCY 1.5MHZ 1.2A SYNCHRONOUS STEP DOWN CONVERTER

General Description

The UTC UD05124 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.
  • 1.2A Output Current.
  • Low RDS(ON) for Internal Switch: 340 / 210mΩ (Top/Bottom).
  • 1.5MHz Switching Frequency.
  • Internal 1ms Soft-Start Time.
  • 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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UD05123 SYNCHRONOUS STEP-DOWN CONVERTER
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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 UD05124 Advance LINEAR INTEGRATED CIRCUIT HIGH EFFICIENCY 1.5MHZ 1.2A SYNCHRONOUS STEP DOWN CONVERTER  DESCRIPTION The UTC UD05124 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 UD05124 fault protection includes over current protection, short circuit protection, UVLO and thermal shutdown. The Internal soft-start function prevents inrush current at turn-on. 4 5 123 SOT-25  FEATURES * 2.5V ~ 6V Input Voltage Range * 0.6V Reference Voltage * 1.