IS31LT3953 Datasheet (Lumissil) - CONSTANT-CURRENT 3-AMPERE PWM DIMMABLE BUCK REGULATOR LED DRIVER

IS31LT3953, CONSTANT-CURRENT 3-AMPERE PWM DIMMABLE BUCK REGULATOR LED DRIVER

The IS31LT3953 is a DC-to-DC switching converter that integrates an N-channel MOSFET to operate in a buck configuration.

The device can operate from a wide input voltage between 4.5V and 38V and provides a constant current of up to 3A for driving a single LED or multiple series connected LEDs.

The e

IS31LT3953 Features

* Wide input voltage supply from 4.5V to 38V - Withstand 40V load dump

* True average output current control

* 3A maximum output over operating temperature range

* Cycle-by-cycle current limit

* Integrated high-side MOSFET switch

* Dimming via direct logic input or power supp