AT5520A Overview
Description
The AT5520A includes a high-performance boost regulator, a VCOM buffer (unity gain OPA), a VGH charge pump driver, and a VGL charge pump driver for active-matrix thin-film transistor (TFT) liquid-crystal displays (LCDs). The boost converter provides the regulated supply voltage for the panel source driver ICs.
Key Features
- 2.5V to 5.5V Input Supply Range
- Active-High Enable Control
- 600kHz Negative Charge Pump Driver for VGL
- 600kHz Positive Charge Pump Driver for VGH
- Power-On Sequence Control
- Thermal-Overload Protection
- TQFN3X3-16 Package