IS32LT3957A - HIGH VOLTAGE LED LIGHTING CONTROLLER

Lumissil

The IS32LT3957A by Lumissil is a HIGH VOLTAGE LED LIGHTING CONTROLLER. Below is the official datasheet preview.

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IS32LT3957A HIGH VOLTAGE LED LIGHTING CONTROLLER by Lumissil - Datasheet Preview — Official preview page of the **IS32LT3957A** HIGH VOLTAGE LED LIGHTING CONTROLLER datasheet (Lumissil).

Datasheet Details

Part number	IS32LT3957A
Manufacturer	Lumissil
File Size	616.21 KB
Description	HIGH VOLTAGE LED LIGHTING CONTROLLER
Datasheet	IS32LT3957A-Lumissil.pdf
Additional preview pages of the IS32LT3957A datasheet.

IS32LT3957A Product details

Description

The IS32LT3957A 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.

Features

Wide high voltage input range: 5V to 75V.
Supports boost, buck-boost, SEPIC and buck topology.
±3.5% output current accuracy over -40°C ~ +125°C temperature.
Adjustable operating frequency range of 100kHz~1MHz.
Programmable soft start to avoid inrush current.
Fixed under voltage lockout threshold.
EMI reduction capabilities - Programmable spread spectrum function - Operating frequency synchronization with external clock source.
Supports either analog or P.

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Published: Jun 29, 2024 |