General Description

The MAX8739 includes a high-performance, step-up regulator and two high-current operational amplifiers for active-matrix thin-film transistor (TFT) liquid-crystal displays (LCDs). The input supply voltage range of the MAX8739 is from 1.8V to 5.5V. The device also includes a logic-controlled, high-voltage switch with adjustable delay.

Features

● 1.8V to 5.5V Input Supply Range

● 600kHz/1.2MHz Current-Mode Step-Up Regulator

   • Fast Transient Response to Pulsed Load

   • High-Accuracy Output Voltage (1.5)

   • Built-In 14V, 1.9A, 0.2Ω n-Channel MOSFET

   • High Effciency (> 85)

   • Digital Soft-Start

● Two High-Performance Operational Amplifiers

   • ±150mA Output Short-Circuit Current

   • 7.5V/µs Slew Rate

   • 12MHz, -3dB Bandwidth

   • Rail-to-Rail Inputs/Outputs

● Logic-Controlled, High-Voltage Switch with Adjustable

   Delay

● Built-In Power-Up Sequence

● Input Supply Undervoltage Lockout

● Timer Delay Fault Latch for All Regulator Outputs

● Thermal-Overload Protection

Applications

● Notebook Computer Displays

● LCD Monitor Panels