AT5520A, AT5520A-GlobalMixed Datasheet - Global Mixed-mode Technology

AT5520A - Bias Power Supply

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 .

AT5520A Features

* 2.5V to 5.5V Input Supply Range

* Active-High Enable Control

* 1.2MHz Current-Mode Boost Regulator

* Fast Transient Response to Pulse Load

* ±1% Accurate Output Voltage

* Built-In 20V/1.8A, 0.7Ω N-Channel MOSFET

* High Efficiency up to 90%

* Over-Current

AT5520A-GlobalMixed-modeTechnology.pdf