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TPS65631 - Dual-Output AMOLED Display Power Supply

Description

The TPS65631 is designed to drive AMOLED (Active Matrix Organic Light Emitting Diode) displays requiring positive and negative supply rails.

The device integrates a boost converter for VPOS and an inverting buck boost converter for VNEG and is suitable for battery-operated products.

Features

  • 1 2.9-V to 4.5-V Input Voltage Range.
  • Fixed 4.6-V Positive Output Voltage.
  • 0.5% VPOS Accuracy from 25ºC to 85ºC.
  • Separate VPOS Output Sense Pin.
  • Negative Output Voltage Digitally Programmable from.
  • 1.4 V to.
  • 4.4 V (.
  • 4 V Default).
  • Output Currents up to 250 mA Supported.
  • Excellent Line Transient Regulation.
  • Short-Circuit Protection.
  • Thermal Shutdown.
  • Available in 3.00-mm × 3.00-mm, 12-.

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Full PDF Text Transcription

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS65631 SLVSBK1E – SEPTEMBER 2012 – REVISED MAY 2014 TPS65631 Dual-Output AMOLED Display Power Supply 1 Features •1 2.9-V to 4.5-V Input Voltage Range • Fixed 4.6-V Positive Output Voltage • 0.5% VPOS Accuracy from 25ºC to 85ºC • Separate VPOS Output Sense Pin • Negative Output Voltage Digitally Programmable from –1.4 V to –4.4 V (–4 V Default) • Output Currents up to 250 mA Supported • Excellent Line Transient Regulation • Short-Circuit Protection • Thermal Shutdown • Available in 3.00-mm × 3.
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