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TS19371 - Boost (Step-up) WLED Driver

General Description

The TS19371 is a step-up DC/DC converter specifically designed to drive white LEDs with a constant current.

The device can drive up to 126 LEDs (9S14P) from a 12V supply.

The output capacitor can be as small as 4.7µF, saving space versus alternative solutions.

Key Features

  • Inherently Matched LED Current.
  • High Efficiency: 89% Typical.
  • Drives Up to 9.

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Datasheet Details

Part number TS19371
Manufacturer Taiwan Semiconductor Company
File Size 199.50 KB
Description Boost (Step-up) WLED Driver
Datasheet download datasheet TS19371 Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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TS19371 Boost (Step-up) WLED Driver with OVP SOT-26 Pin Definition: 1. SW 6. VIN 2. GND 5. OVP 3. FB 4. CTRL SOP-8 Pin Definition: 1. VIN 8. SW 2. GND 7. GND 3. GND 6. GND 4. CTRL 5. FB General Description The TS19371 is a step-up DC/DC converter specifically designed to drive white LEDs with a constant current. The device can drive up to 126 LEDs (9S14P) from a 12V supply. The output capacitor can be as small as 4.7µF, saving space versus alternative solutions. A low 95mV feedback voltage minimizes power loss for better efficiency. Additional feature include over output voltage limiting (SOT-26 package) when LEDs are disconnected. The TS19371 switches at a fixed frequency of 1.