RT8553A Datasheet Dual-output Synchronous DC/dc Converter

Manufacturer: Richtek

Overview: ® RT8553A Dual-Output Synchronous DC/DC Converter General.

Datasheet Details

Part number	RT8553A
Manufacturer	Richtek
File Size	407.42 KB
Description	Dual-Output Synchronous DC/DC Converter
Datasheet	RT8553A-Richtek.pdf

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 and heavy load condition.

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%.
PWM Mode @ 1.5MHz Switching Frequency.
High Output Voltage Accuracy.
Excellent Line and Load Transient.
Excellent Line and Load Regulation.
Soft-Start to Limit Inrush Curren.

Part Number	Description
RT8550	76V Boost DC/DC Converter
RT8509	Step-Up DC/DC Converter
RT8509A	Step-Up DC/DC Converter
RT8510	43V 4-CH LED Driver
RT8511A	43V Asynchronous Boost WLED Driver
RT8511B	43V Asynchronous Boost WLED Driver
RT8525	Boost Controller
RT8532	6-String 43V White LED Driver
RT8532A	6-String 43V White LED Driver
RT8537	Current Mode Boost-Type LED Driver