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RT6256C - 23V Synchronous Step-Down Converter

Download the RT6256C datasheet PDF. This datasheet also covers the RT6256B variant, as both devices belong to the same 23v synchronous step-down converter family and are provided as variant models within a single manufacturer datasheet.

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.

Key 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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (RT6256B-Richtek.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number RT6256C
Manufacturer Richtek
File Size 400.20 KB
Description 23V Synchronous Step-Down Converter
Datasheet download datasheet RT6256C Datasheet

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Other Datasheets by Richtek

Part Number Description
RT6256B 23V Synchronous Step-Down Converter
RT6252A Buck Converter
RT6252B Buck Converter
RT6254A Step-Down Converter
RT6254B Step-Down Converter

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.

View original datasheet text
® 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.