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TPS65138 - Dual output AMOLED Display Power Supply

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General Description

The TPS65138 is designed to drive AMOLED displays (Active Matrix Organic Light Emitting Diode) requiring positive and negative supply rails.

The device integrates boost converter and inverting buck boost converter designed suitable for battery operated products.

The digital control pin (CTRL) allows programming the negative output voltage in digital steps.

Overview

www.ti.com TPS65138 TPS65138A SLVSAV3C – APRIL 2011 – REVISED MAY 2012 Dual output AMOLED Display Power Supply Check for Samples: TPS65138,.

Key Features

  • 1.
  • 2.9V to 4.5V Input Voltage Range.
  • 0.8% Output Voltage Accuracy VPOS.
  • Excellent Line Transient Regulation.
  • 300mA Output Current.
  • Fixed 4.62V Positive Output Voltage.
  • Digitally Programmable VNEG.
  • TPS65138: -2.2V to -6.2V.
  • TPS65138A: -2.2V to -5.2V.
  • -4.9V Default Value for VNEG.
  • Short Circuit Protection.
  • Thermal Hhutdown.
  • 3-mm × 3-mm QFN Package.

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