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LT3950 - 1.5A LED Driver

General Description

The LT®3950 is a multitopology DC/DC converter designed specifically to drive high current LEDs.

It contains a 1.5A, 60V DMOS switch and supports an external PWM dimming PMOS.

Key Features

  • n Operates in Boost, SEPIC, Buck Mode and BuckBoost Mode n 128:1 Internal Exponential Scale PWM Dimming n Wide Input Voltage Range (3V to 60V) n 1.5A, 60V Internal Switch n 20000:1 External PWM Dimming at 100Hz n ±2% LED Current and Output Voltage Regulation n PMOS Switch Driver for PWM Dimming n LED Short/Open Protection and Indication n Constant Voltage and Constant Current Regulation n Adjustable 300kHz to 2MHz Switching Frequency n Adjustable 100Hz to 1kHz PWM Generator Frequency n Internal.

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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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LT3950 60V, 1.5A LED Driver with Internal Exponential Scale Dimming FEATURES n Operates in Boost, SEPIC, Buck Mode and BuckBoost Mode n 128:1 Internal Exponential Scale PWM Dimming n Wide Input Voltage Range (3V to 60V) n 1.