IS31LT3117 - 4-CHANNEL CONSTANT CURRENT REGULATOR

Product Overview

Lumissil

Datasheet Details

Part number	IS31LT3117
Manufacturer	Lumissil
File Size	588.00 KB
Description	4-CHANNEL CONSTANT CURRENT REGULATOR
Datasheet	IS31LT3117 Datasheet
Additional preview pages of the IS31LT3117 datasheet.

Product details

Description

The IS31LT3117 is a 4-channel, linear regulated, constant current LED driver which can provide 4 equal currents outputs of up to 350mA per channel to drive high brightness LEDs over an input voltage range of 6V to 53V, while maintaining an output leakage current of less than 1µA.

Features

a PWM input to enable simple dimming control using a digital control signal. The recommended frequency range of the PWM signal is 4kHz ~ 100kHz. The IS31LT3117 provides a unique over temperature protection scheme. A hard shutdown which turns off all LED currents occurs if the die junction temperature exceeds the maximum value of 160°C. However, as the die junction temperature rises up to over 130°C (Typ. ), the output current will begin to roll off at a rate of -2.22%/°C (Typ. ). If the die temper.

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Published: Jul 16, 2024 |