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SGM3842 - Quad-Output 1A AMOLED Display Power Supply

Description

The SGM3842 is designed for powering AMOLED displays which requires VELVDD, VELVSS, VAVDD and VDVDD.

The device integrates two Boost converters, VO1 for VELVDD and VO3 for VAVDD, a dual-phase inverting Buck-Boost converter VO2 for VELVSS and a Buck converter VO4 for VDVDD.

Features

  • 2.9V to 4.8V Input Supply Voltage Range.
  • Synchronous Boost Converter (ELVDD).
  • 4.6V to 5.2V Output Voltage with 100mV Steps.
  • 4.6V Default Output Voltage.
  • 0.8% Accuracy at 4.6V.
  • 1A Output Current Capability.
  • Output Voltage Sensing Pin for Path Loss Compensation (FB1).
  • Synchronous Inverting Buck-Boost Converter (ELVSS).
  • -10V to -1.4V Output Voltage with 100mV Steps.
  • -5.0V Default Output Voltage.
  • 1% Accuracy at -5V.
  • 1A Output Current Capa.

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Datasheet preview – SGM3842

Datasheet Details

Part number SGM3842
Manufacturer SG Micro
File Size 2.91 MB
Description Quad-Output 1A AMOLED Display Power Supply
Datasheet download datasheet SGM3842 Datasheet
Additional preview pages of the SGM3842 datasheet.

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Full PDF Text Transcription

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SGM3842 Quad-Output 1A AMOLED Display Power Supply GENERAL DESCRIPTION The SGM3842 is designed for powering AMOLED displays which requires VELVDD, VELVSS, VAVDD and VDVDD. The device integrates two Boost converters, VO1 for VELVDD and VO3 for VAVDD, a dual-phase inverting Buck-Boost converter VO2 for VELVSS and a Buck converter VO4 for VDVDD. Output voltages of all the four converters can be programmed in digital steps through the digital interface control pins (SWIRE1 & SWIRE2). The SGM3842 is available in a Green WLCSP-2.5×2.942B package. FEATURES ● 2.9V to 4.8V Input Supply Voltage Range ● Synchronous Boost Converter (ELVDD)  4.6V to 5.2V Output Voltage with 100mV Steps  4.6V Default Output Voltage  0.8% Accuracy at 4.
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