RT8553A Datasheet - Richtek

RT8553A Dual-Output Synchronous DC/DC Converter

The RT8553A is a dual-output DC/DC converter which is designed to provide the power for consumer products. It integrates a Boost converter and an inverting-Boost converter for enhancing the overall system efficiency of battery powered products. The RT8553A operates in Forced CCM mode for light load .

RT8553A Features

* Boost Converter to Supply Positive Voltage from 4.6V to 5.4V Through External Feedback Resistors

* Buck-Boost Converter to Supply Negative Voltage from

* 4.6V to

* 5.4V Through External Feedback Resistors

* Maximum Output Current up to 200mA

* Typical Efficiency : 85%

RT8553A-Richtek.pdf