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TPS65165 Datasheet Compact LCD-Bias

Manufacturer: Texas Instruments

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General Description

The TPS65165 is a Compact LCD Bias IC with 3 high-speed operational amplifiers for gamma correction and/or VCOM supply.

The device generates all 3 voltage rails for TFT-LCD displays (Vs, VGL and VGH).

The device incorporates a high-voltage switch that can be controlled by a logic signal from the timing controller (TCON) to provide the gate-voltage modulation for VGH.

Overview

www.ti.com TPS65165 SLVS723A – DECEMBER 2006 – REVISED MAY 2007 Compact LCD Bias IC With High Speed Amplifiers for TV and Monitor TFT-LCD.

Key Features

  • 2.5 V to 6.0 V Input Voltage Range.
  • Vs Output Voltage up to 18 V.
  • 1%-Accurate Boost Converter With 4.5 A Switch Current.
  • 600 kHz Fixed Frequency PWM Operation.
  • Overvoltage Protection.
  • Adjustable Softstart.
  • Regulated Positive Charge Pump Converter VGH.
  • Integrated Gate Voltage Shaping of VGH.
  • Regulated Negative Charge-Pump Driver VGL.
  • Adjustable Sequencing for Vs and VGH.
  • 3 Integrated High-Speed Ope.

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