IS32LT3953 - CONSTANT-CURRENT 3-AMPERE PWM DIMMABLE BUCK REGULATOR LED DRIVER
The IS32LT3953 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 multi ple series connected LEDs.
The
IS32LT3953 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
