Part RT8553A
Description Dual-Output Synchronous DC/DC Converter
Manufacturer Richtek
Size 407.42 KB
Richtek
RT8553A

Overview

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.

  • 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 Current
  • Over-Temperature Protection (OTP)