MAX8758ETG

升压型稳压器，开关控制和运算放大器，用于TFT LCD Step-Up Regulator with Switch Control and Operational Amplifier for TFT LCD

General Description

The MAX8758 includes a high-performance step-up regulator, a high-speed operational amplifier, and a logic controlled, high-voltage switch-control block with programmable delay. The device is optimized for thin-film transistor TFT liquid-crystal display LCD applications.

Features

♦ 1.8V to 5.5V Input Voltage Range

♦ Input Undervoltage Lockout

♦ 0.5mA Quiescent Current

♦ 640kHz/1.2MHz Current-Mode Step-Up Regulator

   Fast Transient Response

   High-Accuracy Output Voltage 1.5%

   Built-In 14V, 2.5A, 115mΩ MOSFET

   High Efficiency

   Programmable Soft-Start

   Current Limit with Lossless Sensing

   Timer-Delay Fault Latch

♦ High-Speed Operational Amplifier

   ±150mA Output Current

   7.5V/µs Slew Rate

   12MHz, -3dB Bandwidth

   Rail-to-Rail Inputs/Outputs

♦ Dual-Mode™, Logic-Controlled, High-Voltage Switch with Programmable Delay

♦ Thermal-Overload Protection

♦ 24-Pin, 4mm x 4mm, Thin QFN Package

Applications

  Notebook Displays

  LCD Monitors