RT7238B Datasheet 500kHz Synchronous Step-Down Converter

Manufacturer: Richtek

Datasheet Details

Part number	RT7238B
Manufacturer	Richtek
File Size	368.15 KB
Description	500kHz Synchronous Step-Down Converter
Download	RT7238B Download (PDF)

The RT7238B/C/D/E is an advanced constant on-time (ACOTTM) mode synchronous step-down converter.

The main control loop of RT7238B/C/D/E using an advanced constant on-time (ACOTTM) mode control which provides a very fast transient response.

The RT7238B/C/D/E operates from 8V to 23V input voltage.

® RT7238B/C/D/E 8A, 23V, 500kHz Synchronous Step-Down Converter with 3.

Advanced Constant On-Time (ACOT) Control.
8V to 23V (RT7238B/C/D/E) Input Voltage Range @ 8A Output Current.
ACOTTM Mode Performs Fast Transient Response.
ACOTTM Architecture to Enable all MLCC Output Capacitor Usage.
Fixed 500kHz Switching Frequency.
High Efficient Internal Power MOSFET Switch  27mΩ (High-Side) and 10mΩ (Low-Side).
Adjustable Output Voltage from 0.6V to 5V (RT7238D).
Fixed 3.3V (RT7238B/D) or 5V (RT7238C/E) LDO Output Supplies 70mA.

Part Number	Description
RT7238C	500kHz Synchronous Step-Down Converter
RT7238D	500kHz Synchronous Step-Down Converter
RT7238E	500kHz Synchronous Step-Down Converter
RT7231	Synchronous Step-Down Converter
RT7232	Synchronous Step-Down Converter
RT7233	Synchronous Step-Down Converter
RT7234	Synchronous Step-Down Converter
RT7235	Synchronous Step-Down Converter
RT7236	Synchronous Step-Down Converter
RT7237A	Synchronous Step-Down Converter