RT4722C Description
The RT4722C is a triple channels DC-DC converter which is designed to provide the power of AMOLED. It integrates step up DC-DC and an inverting converter to provide the positive and negative output voltage required by AMOLED. For the portable application, board space and efficiency are always major concerns.
RT4722C Key Features
- Boost Converter to Supply Positive AVDD Voltage from 5.8V to 7.9V
- Boost Converter to Supply AMOLED Positive Voltage 4.6V
- Inverter Converter to Supply AMOLED Negative Voltage from 1.4V to 5.4V
- Maximum Output Current up to 300mA for AMOLED Positive & Negative Power Supply
- Maximum Output Current up to 55mA for AVDD Output Voltage
- Typical Peak Efficiency : 90% (40mA to 150mA)
- PWM Mode @ 1.5MHz Switching Frequency
- High Output Voltage Accuracy
- Excellent Line and Load Transient
- Excellent Line and Load Regulation