The RT4723QWSC is a highly integrated Boost, LDO and inverting charge pump to generate positive and negative output voltage. The negative output voltages can be adjusted from -0.6V to -2.4V with 100mV steps by SWIRE interface protocol. The part maintains the highest efficiency by utilizing a -0.33x/-0.5x mode fractional charge pump with automatic mode transition. With its input voltage range of 2.5V to 4.6V, the RT4723QWSC is optimized for products powered by single-cell battery and the output current up to 55mA. The RT4723QWSC is available in WL-CSP-15B 1.39x2.07 (BSC) package to achieve optimized solution for PCB space.
Feature
- 2.5V to 4.6V Supply Voltage Range
- Single Wire Protocol
- Fixed 4.6V Positive Voltage Output
- Negative Voltage Output from -0.6V to -2.4V per 0.1V by SWIRE Pin
- Auto-Mode Transition of -0.33x/-0.5x Charge Pump
- Built-in Soft-Start
- 55mA Maximum Output Current
- Programmable Output Fast Discharge Function
- High Impedance Output when IC Shutdown
- UVLO, OCP, SCP, OTP Protection
- Shutdown Current < 1μA
- Available in 15-Ball WL-CSP Package
Applications
- AMOLED Bias in Portable Device
- Internet of Things
