Description
The G5524A includes a high-performance boost regulator, 4-channel LED driver, a low dropout linear regulator (LDO), a gate pulse modulator (GPM), a voltage detector, a VCOM buffer (unity-gain OPA), and a VGH charge pump controller for active-matrix thin-film transistor (TFT) liquid-crystal displays (LCDs).
Features
- 2.5V to 5.5V Input Supply Range.
- Boost Regulator.
- 640kHz/1.2MHz Fixed Frequency.
- Current-Mode Control.
- Fast Transient Response to Pulse Load.
- ±1% Accurate Output Voltage.
- Built-In 20V/2A, 0.2Ω N-Channel MOSFET.
- High Efficiency up to 90%.
- Programmable Soft-Start.
- Over-Current Protection.
- Output Under-Voltage Protection.
- White-LED Driver.
- Wide 4.2V to 24V Input Supply Range.
- Adjustable Switching Frequency.
- 40V/.