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LM3633 - Complete Lighting Power

Description

The LM3633 11-bit LED driver provides highperformance backlight dimming for 1, 2, or 3 parallel high-voltage LED strings while delivering up to 90% efficiency.

Features

  • 1 Drives Three Parallel High-Voltage LED Strings for Display and Keypad Lighting.
  • High-Voltage Strings Capable of up to 40-V Output Voltage and up to 90% Efficiency.
  • Up to 30-mA per Current Sink (Both Backlight and Indicator).
  • 11-Bit High-Voltage LED Dimming.
  • PWM Input for Content Adjustable Brightness Control (CABC).
  • Integrated 1-A/40-V MOSFET.
  • Adaptive Boost Output to LED Voltages.
  • Six Low-Voltage Current Sinks for Indicat.

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Datasheet preview – LM3633

Datasheet Details

Part number LM3633
Manufacturer Texas Instruments
File Size 1.49 MB
Description Complete Lighting Power
Datasheet download datasheet LM3633 Datasheet
Additional preview pages of the LM3633 datasheet.

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Full PDF Text Transcription

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM3633 SNVS867 – JUNE 2014 LM3633 Complete Lighting Power Solution for Smartphone Handsets Check for Samples: LM3633 1 Features •1 Drives Three Parallel High-Voltage LED Strings for Display and Keypad Lighting • High-Voltage Strings Capable of up to 40-V Output Voltage and up to 90% Efficiency • Up to 30-mA per Current Sink (Both Backlight and Indicator) • 11-Bit High-Voltage LED Dimming • PWM Input for Content Adjustable Brightness Control (CABC) • Integrated 1-A/40-V MOSFET • Adaptive Boost Output to LED Voltages • Six Low-Voltage Current Sinks for Indicator LEDs • Integrated Charge Pump for Improved Efficiency and VIN Operating Range • Internal Pattern Generation Engine for Each Indicator LED • Fu
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