RT6201B, RT6201A Datasheet - Richtek

RT6201B - Synchronous Step-Down Converter

The RT6201A/B is a synchronous step-down DC/DC converter with Advanced Constant On-Time (ACOTTM) mode control. It achieves high power density to deliver up to 4A output current from a 4.5V to 18V input supply. The proprietary ACOTTM mode offers an optimal transient response over a wide range of load.

RT6201B Features

* ACOTTM Mode Enables Fast Transient Response

* 4.5V to 18V Input Voltage Range

* 4A Output Current

* 50mΩ Internal Low Side N-MOSFET

* Advanced Constant On-Time Control

* Support All Ceramic Capacitors

* Up to 95% Efficiency

* 650kHz Switching Frequency at all Load C

RT6201A-Richtek.pdf