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IS31LT3957A

HIGH VOLTAGE LED LIGHTING CONTROLLER

IS31LT3957A Features

* Wide high voltage input range: 5V to 75V

* Supports boost, buck-boost, SEPIC and buck topology

* ±2% output current accuracy

* Adjustable operating frequency range of 100kHz~1MHz

* Programmable soft start to avoid inrush current

* Fixed under voltage lockout threshold

IS31LT3957A General Description

The IS31LT3957A is a current mode PWM controller designed to drive a low side external NMOS FET for wide input/output voltage range and high LED current applications. An external resistor senses the high side output current of the LED string. A high side sense is the most flexible current sensing sc.

IS31LT3957A Datasheet (604.77 KB)

Preview of IS31LT3957A PDF

Datasheet Details

Part number:

IS31LT3957A

Manufacturer:

Lumissil

File Size:

604.77 KB

Description:

High voltage led lighting controller.

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IS31LT3957A HIGH VOLTAGE LED LIGHTING CONTROLLER Lumissil

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