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RT6258D Datasheet 23V Synchronous Step-Down Converter

Manufacturer: Richtek

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General Description

The RT6258D is an advanced constant on-time (ACOTTM) mode synchronous buck converter.

The main control loop of the RT6258D uses an advanced constant on-time (ACOTTM) mode control which provides a very fast transient response.

The RT6258D operates from 5.1V to 23V input voltage.

Overview

® RT6258D 8A, 23V Synchronous Step-Down Converter with 5V LDO.

Key Features

  • 5.1V to 23V Input Voltage Range 8A Output Current.
  • ACOTTM Mode Performs Fast Transient Response.
  • ACOTTM Architecture to Enable All MLCC Output Capacitor Usage.
  • Fixed 750kHz Switching Frequency.
  • High Efficient Internal Power MOSFET Switch- 20mΩ (High-Side) and 10mΩ (Low-Side).
  • Fixed 5V LDO Output Supply 100mA.
  • Pre-biased Soft-Start.
  • Cycle-by-Cycle Over-Current Protection.
  • Input Under-Voltage Lockout.
  • Thermal Shutdown Protection.
  • Output Over-.

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