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LT8374 - 1.2A Synchronous Step-Down LED Driver

General Description

The LT®8374/LT8374-1 is a high efficiency, monolithic, synchronous step-down DC/DC converter with fixedfrequency and peak current control.

The LED current is programmed by a resistor from the CTRL pin to ground or by applying a PWM signal to the CTRL pin.

Key Features

  • n Low Component Count and Simple Solution n Wide Input Voltage Range: 6.5V to 60V n 0V to 59V LED String Voltage n ±3% LED Current Regulation n Spread-Spectrum Frequency Modulation n Internal Compensation Capacitor n 20:1 Analog, Duty Cycle or PWM LED Current Control n 330kHz/2MHz Fixed Internal Frequency (LT8374/ LT8374-1) n External Frequency Synchronization n 4mm × 4mm 16-Pin Side Solderable QFN Package n AEC-Q100 Qualified for Automotive.

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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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LT8374 60V, 1.2A Synchronous Step-Down LED Driver FEATURES n Low Component Count and Simple Solution n Wide Input Voltage Range: 6.5V to 60V n 0V to 59V LED String Voltage n ±3% LED Current Regulation n Spread-Spectrum Frequency Modulation n Internal Compensation Capacitor n 20:1 Analog, Duty Cycle or PWM LED Current Control n 330kHz/2MHz Fixed Internal Frequency (LT8374/ LT8374-1) n External Frequency Synchronization n 4mm × 4mm 16-Pin Side Solderable QFN Package n AEC-Q100 Qualified for Automotive Applications APPLICATIONS n Automotive Lighting n Matrix LED Lighting n General Purpose LED Driver n Current Sources DESCRIPTION The LT®8374/LT8374-1 is a high efficiency, monolithic, synchronous step-down DC/DC converter with fixedfrequency and peak current control.