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AT5517 - Integrated Power Solution

Description

The AT5517 includes a step-up converter, two charge pumps, and a high current operational amplifier for TFT LCD.

Also included are a logic-controlled high-voltage switch with adjustable delay and an open drain output reset comparator.

Features

  • 2.5V to 5.5V Input Supply Range.
  • 1.2MHz Current-Mode Step-Up Converter.
  • Built-In 18V, 3A 0.2Ω n-Channel MOSFET.
  • Charge Pumps for VGON and VGOFF.
  • High Voltage Switch with Adjustable Delay.
  • Thermal Overload Protection.
  • TQFN4X4-24 Package.

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Datasheet Details

Part number AT5517
Manufacturer Global Mixed-mode Technology
File Size 79.90 KB
Description Integrated Power Solution
Datasheet download datasheet AT5517 Datasheet

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Full PDF Text Transcription

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Global Mixed-mode Technology AT5517 Integrated Power Solution for TFT-LCD Features „ 2.5V to 5.5V Input Supply Range „ 1.2MHz Current-Mode Step-Up Converter „ Built-In 18V, 3A 0.2Ω n-Channel MOSFET „ Charge Pumps for VGON and VGOFF „ High Voltage Switch with Adjustable Delay „ Thermal Overload Protection „ TQFN4X4-24 Package Applications „ LCD Monitor Panels „ Notebook Computer Displays „ LCD TVs General Description The AT5517 includes a step-up converter, two charge pumps, and a high current operational amplifier for TFT LCD. Also included are a logic-controlled high-voltage switch with adjustable delay and an open drain output reset comparator. The step-up DC/DC converter provides the regulated power supply for the panel source driver IC.
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