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TPS61183 - White-LED Driver

Description

The TPS61183 device provides a highly integrated white-LED (WLED) driver solution for notebook LCD backlights.

This device has a built-in high-efficiency boost regulator with integrated 2-A, 40-V power MOSFET.

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

Features

  • 1 4.5-V to 24-V Input Voltage.
  • 38-V Maximum Output Voltage.
  • Integrated 2-A, 40-V MOSFET.
  • 280-kHz to 1-MHz Programmable Switching Frequency.
  • Adaptive Boost Output to WLED Voltages.
  • Wide PWM Dimming Frequency Range.
  • 100 Hz to 50 KHz for Direct PWM Mode.
  • 100 Hz to 22 KHz for Frequency Programmable Mode.
  • 100:1 Dimming Ratio at 20 kHz.
  • 10000:1 Dimming Ratio at 200 Hz (Direct PWM mode).
  • Small External Co.

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Datasheet preview – TPS61183

Datasheet Details

Part number TPS61183
Manufacturer Texas Instruments
File Size 2.18 MB
Description White-LED Driver
Datasheet download datasheet TPS61183 Datasheet
Additional preview pages of the TPS61183 datasheet.

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Full PDF Text Transcription

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Product Folder Order Now Technical Documents Tools & Software Support & Community TPS61183 SLVSAB4D – JUNE 2010 – REVISED JANUARY 2017 TPS61183 White-LED Driver With PWM Interface and Programmable PWM Dimming 1 Features •1 4.5-V to 24-V Input Voltage • 38-V Maximum Output Voltage • Integrated 2-A, 40-V MOSFET • 280-kHz to 1-MHz Programmable Switching Frequency • Adaptive Boost Output to WLED Voltages • Wide PWM Dimming Frequency Range – 100 Hz to 50 KHz for Direct PWM Mode – 100 Hz to 22 KHz for Frequency Programmable Mode • 100:1 Dimming Ratio at 20 kHz • 10000:1 Dimming Ratio at 200 Hz (Direct PWM mode) • Small External Components • Integrated Loop Compensation • Six Current Sinks of 30 mA, Maximum • 1.
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