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TPS61177A - WLED Driver

Datasheet Summary

Description

The TPS61177A device provides a highly integrated white LED (WLED) driver solution for notebook LCD backlight.

This device has a built-in high-efficiency boost regulator with integrated 1.8-A, 40-V power MOSFET.

The six current sink regulators provide high precision current regulation and matching.

Features

  • 1 2.5-V to 24-V Input Voltage Range.
  • 39-V Maximum Output Voltage.
  • Integrated 1.8-A, 40-V MOSFET.
  • 450-kHz to 1.2-MHz Programmable Switching Frequency.
  • Adaptive Boost Output to WLED Voltages.
  • 100-Hz to 25-kHz Wide Input PWM Dimming Frequency Range.
  • 1% Minimum Dimming Duty Cycle.
  • Small External Components.
  • Integrated Loop Compensation.
  • Six Current Sinks of 30 mA Maximum.
  • 1% (Typical) Current Matching.

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Datasheet preview – TPS61177A

Datasheet Details

Part number TPS61177A
Manufacturer Texas Instruments
File Size 2.33 MB
Description WLED Driver
Datasheet download datasheet TPS61177A Datasheet
Additional preview pages of the TPS61177A datasheet.

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Full PDF Text Transcription

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Product Folder Order Now Technical Documents Tools & Software Support & Community TPS61177A SNVSA76B – MARCH 2015 – REVISED MARCH 2017 TPS61177A WLED Driver for Notebooks With PWM Interface and Mixed Dimming Mode 1 Features •1 2.5-V to 24-V Input Voltage Range • 39-V Maximum Output Voltage • Integrated 1.8-A, 40-V MOSFET • 450-kHz to 1.
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