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SGM3838 - Triple-Output 700mA AMOLED Display Power Supply

Description

The SGM3838 is designed for powering AMOLED displays which require VELVDD, VELVSS and VAVDD.

The device integrates two Boost converters, VO1 for VELVDD and VO3 for VAVDD, and a dual-phase inverting Buck-Boost converter VO2 for VELVSS.

Features

  • 2.5V to 4.8V Input Supply Voltage Range.
  • Synchronous Boost Converter (ELVDD).
  • 4.6V to 5.0V Output Voltage with 100mV Steps.
  • 4.6V Default Output Voltage.
  • 0.7% Accuracy at 4.6V.
  • 700mA Output Current Capability.
  • Output Voltage Sensing Pin for Path Loss Compensation (FBS).
  • Synchronous Inverting Buck-Boost Converter (ELVSS).
  • -6.0V to -0.8V Output Voltage with 100mV Steps.
  • -3.0V Default Output Voltage.
  • 1% Accuracy at -3V.
  • 700mA Output Curre.

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Datasheet preview – SGM3838

Datasheet Details

Part number SGM3838
Manufacturer SG Micro
File Size 0.96 MB
Description Triple-Output 700mA AMOLED Display Power Supply
Datasheet download datasheet SGM3838 Datasheet
Additional preview pages of the SGM3838 datasheet.

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Full PDF Text Transcription

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SGM3838 Triple-Output 700mA AMOLED Display Power Supply GENERAL DESCRIPTION The SGM3838 is designed for powering AMOLED displays which require VELVDD, VELVSS and VAVDD. The device integrates two Boost converters, VO1 for VELVDD and VO3 for VAVDD, and a dual-phase inverting Buck-Boost converter VO2 for VELVSS. Output voltages of all the three converters can be programmed in digital steps through the digital interface control pin (SWIRE). The SGM3838 is available in a Green WLCSP-2.5×2.536B package. FEATURES ● 2.5V to 4.8V Input Supply Voltage Range ● Synchronous Boost Converter (ELVDD)  4.6V to 5.0V Output Voltage with 100mV Steps  4.6V Default Output Voltage  0.7% Accuracy at 4.
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