RT6256B Datasheet 23V Synchronous Step-Down Converter

Manufacturer: Richtek

Datasheet Details

Part number	RT6256B
Manufacturer	Richtek
File Size	400.20 KB
Description	23V Synchronous Step-Down Converter
Download	RT6256B Download (PDF)

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.

® RT6256B/C 6A, 23V Synchronous Step-Down Converter with 3.3V/5V LDO.

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.

Part Number	Description
RT6256C	23V Synchronous Step-Down Converter
RT6252A	Buck Converter
RT6252B	Buck Converter
RT6254A	Step-Down Converter
RT6254B	Step-Down Converter
RT6255A	Step-Down Converter
RT6255B	Step-Down Converter
RT6258B	23V Synchronous Step-Down Converter
RT6258C	23V Synchronous Step-Down Converter
RT6258D	23V Synchronous Step-Down Converter