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RT6256B - 23V Synchronous Step-Down Converter

Datasheet Summary

Description

The RT6256B/C is an advanced constant on-time (ACOT®) mode synchronous buck converter.

The main control loop of the RT6256B/C using an advanced constant on-time (ACOT®) mode control which provides a very fast transient response.

Features

  • 4.5V to 23V (RT6256B) and 5.1V to 23V (RT6256C) Input Voltage Range 6A Output Current.
  • ACOT® Mode Performs Fast Transient Response.
  • ACOT® Architecture to Enable All MLCC Output Capacitor Usage.
  • Fixed 750kHz (RT6256C) and 500kHz (RT6256B) Switching Frequency.
  • High Efficient Internal Power MOSFET Switch- 30mΩ (High-Side) and 15mΩ (Low-Side).
  • Fixed 3.3V (RT6256B) and 5V (RT6256C) LDOs Output Supply 100mA.
  • Pre-biased Soft-Start.
  • Cycle-by-Cycle Over-Current Pr.

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Datasheet preview – RT6256B

Datasheet Details

Part number RT6256B
Manufacturer Richtek
File Size 400.20 KB
Description 23V Synchronous Step-Down Converter
Datasheet download datasheet RT6256B Datasheet
Additional preview pages of the RT6256B datasheet.

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Full PDF Text Transcription

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® RT6256B/C 6A, 23V Synchronous Step-Down Converter with 3.3V/5V LDO General Description The RT6256B/C is an advanced constant on-time (ACOT®) mode synchronous buck converter. The main control loop of the RT6256B/C using an advanced constant on-time (ACOT®) mode control which provides a very fast transient response. The RT6256B operates from 4.5V to 23V input voltage and RT6256C operates from 5.1V to 23V. Applications  Industrial and Commercial Low Power Systems  Computer Peripherals  LCD Monitors and TVs  Green Electronics/Appliances  Point of Load Regulation for High-Performance DSPs, FPGAs, and ASICs Ordering Information RT6256B/C Package Type QUF : UQFN-12HL 3x3 (FC) (U-Type) Lead Plating System G : Green (Halogen Free and Pb Free) Note : Output Voltage B : 3.3V C : 5.
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