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TPS61197 - Single-String White-LED Driver

Description

The TPS61197 provides highly integrated solutions for LCD TV backlighting.

This device is a currentmode boost controller driving one WLED string with multiple LEDs in series.

Features

  • 1 8-V to 30-V Input Voltage.
  • 50-kHz to 800-kHz Programmable Switching Frequency.
  • Adaptive Boost Output to White-LED Voltage.
  • High-Precision PWM Dimming Resolution up to 5000:1.
  • Programmable Overvoltage Protection Threshold at Output.
  • Programmable Undervoltage Threshold at Input with Adjustable Hysteresis.
  • Adjustable Soft-Start Time Independent of Dimming Duty Cycle.
  • Built-in LED Open and IFB Short Protections.
  • Built.

📥 Download Datasheet

Datasheet preview – TPS61197

Datasheet Details

Part number TPS61197
Manufacturer Texas Instruments
File Size 1.66 MB
Description Single-String White-LED Driver
Datasheet download datasheet TPS61197 Datasheet
Additional preview pages of the TPS61197 datasheet.

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Full PDF Text Transcription

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Product Folder Order Now Technical Documents Tools & Software Support & Community Reference Design TPS61197 SLVSC25B – JULY 2013 – REVISED JUNE 2017 TPS61197 Single-String White-LED Driver for LCD TV 1 Features •1 8-V to 30-V Input Voltage • 50-kHz to 800-kHz Programmable Switching Frequency • Adaptive Boost Output to White-LED Voltage • High-Precision PWM Dimming Resolution up to 5000:1 • Programmable Overvoltage Protection Threshold at Output • Programmable Undervoltage Threshold at Input with Adjustable Hysteresis • Adjustable Soft-Start Time Independent of Dimming Duty Cycle • Built-in LED Open and IFB Short Protections • Built-in Schottky Diode Open/Short Protection • Thermal Shutdown 2 Applications • LCD TV Backlight • Large LCD TV Displays • Monitors 3 Description The TPS611
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