MAX1518BETJ

TFT -LCD DC- DC转换器，运算放大器 TFT-LCD DC-DC Converter with Operational Amplifiers

General Description

The MAX1518B includes a high-performance step-up regulator, two linear-regulator controllers, and high-current operational amplifiers for active-matrix, thin-film transistor TFT, liquid-crystal displays LCDs. Also included is a logic-controlled, high-voltage switch with adjustable delay.

Features

♦2.6V to 6.5V Input Supply Range

♦1.2MHz Current-Mode Step-Up Regulator

  Fast Transient Response to Pulsed Load

  High-Accuracy Output Voltage 1.5%

  Built-In 14V, 2.4A, 0.16Ωn-Channel MOSFET

  High Efficiency 90%

♦Linear-Regulator Controllers for VGONand VGOFF

♦High-Performance Operational Amplifiers

  ±150mA Output Short-Circuit Current

  13V/µs Slew Rate

  12MHz, -3dB Bandwidth

  Rail-to-Rail Inputs/Outputs

♦Logic-Controlled, High-Voltage Switch with Adjustable Delay

♦Timer-Delay Fault Latch for All Regulator Outputs

♦Thermal-Overload Protection

♦0.6mA Quiescent Current

Applications

Notebook Computer Displays

LCD Monitor Panels

Automotive Displays