Part AT5520A
Description Bias Power Supply
Manufacturer Global Mixed-mode Technology
Size 475.00 KB
Global Mixed-mode Technology

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