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LT3922 - 2A Synchronous Step-Up LED Driver

Description

The LT®3922 is a monolithic, synchronous, ste

Features

  • nn ±2% LED Current Regulation nn ±2% Output Voltage Regulation nn 5000:1 PWM Dimming at 100Hz nn 128:1 Internal PWM Dimming nn Spread-Spectrum Frequency Modulation nn Silent Switcher® Architecture for Low EMI nn Operates in Boost, Buck Mode and Buck-Boost Mode nn 2.8V to 36V Input Voltage Range nn Up to 34V LED String Voltage nn 2A, 40V Internal Switches nn 200kHz to 2MHz with SYNC Function nn Analog or Duty Cycle LED Current Control nn Open/Short LED Protection and Fault Indication nn Thermally.

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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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Features nn ±2% LED Current Regulation nn ±2% Output Voltage Regulation nn 5000:1 PWM Dimming at 100Hz nn 128:1 Internal PWM Dimming nn Spread-Spectrum Frequency Modulation nn Silent Switcher® Architecture for Low EMI nn Operates in Boost, Buck Mode and Buck-Boost Mode nn 2.8V to 36V Input Voltage Range nn Up to 34V LED String Voltage nn 2A, 40V Internal Switches nn 200kHz to 2MHz with SYNC Function nn Analog or Duty Cycle LED Current Control nn Open/Short LED Protection and Fault Indication nn Thermally Enhanced 28-Pin (4mm × 5mm) QFN Applications nn Automotive and Industrial Lighting nn Machine Vision L, LT, LTC, LTM, Linear Technology, the Linear logo and Silent Switcher are registered trademarks of Linear Technology Corporation.
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