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RT5761A Datasheet Buck Converter

Manufacturer: Richtek

Overview: RT5761A/B 6V 1A, ACOT® Buck Converter in Thin UDFN-6L 1.4x1 Package.

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General Description

The RT5761A/B is a simple, easy-to-use, 1A synchronous step-down DC-DC converter with an input supply voltage range from 2.5V to 6V.

The device build-in an accurate 0.6V reference voltage and integrates low RDS(ON) power MOSFETs to achieve high efficiency in a UDFN-6L 1.4x1 package.

The RT5761A/B adopts Advanced Constant On-Time (ACOT® ) control architecture to provide an ultrafast transient response with few external components and to operate in nearly constant switching frequency over the line, load, and output voltage range.

Key Features

  • cycle-by-cycle current limit protection and prevent the device from the catastrophic damage in output short circuit, over current or inductor saturation. A built-in soft-start function prevents inrush current during start-up. The device also includes input under-voltage lockout, output under-voltage protection, and over-temperature protection to provide safe and smooth operation in all operating conditions. Features.
  • Input Voltage Range from 2.5V to 6V.
  • Integrated 120m and 80m FETs.

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