IS32LT3957A - HIGH VOLTAGE LED LIGHTING CONTROLLER
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.
An external resistor senses the high side output current of the LED string.
A high side sense is the most flexible current sensing sc
IS32LT3957A 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 und
