RT8553A Description
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.
RT8553A Key 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%
- 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)