RT7257A Datasheet (Richtek) - Synchronous Step-Down Converter

RT7257A, Synchronous Step-Down Converter

The RT7257A is a high efficiency, monolithic synchronous step-down DC/DC converter that can deliver up to 3A output current from a 4.5V to 18V input supply.

The RT7257A's current mode architecture and external compensation allow the transient response to be optimized over a wide input range and load

RT7257A Features

* z ±1.5% High Accuracy Reference Voltage z 4.5V to 18V Input Voltage Range z 3A Output Current z Integrated N-MOSFET Switches z Current Mode Control z Fixed Frequency Operation : 340kHz z Output Adjustable from 0.8V to 15V z Up to 95% Efficiency z Programmable Soft-Start z Stable with Low ESR Ceramic