LP3311S Datasheet - Lowpowersemi

LP3311S Constant Current Switching Regulator

The LP3311S is a 1MHz PWM boost switching regulator designed for constant current white LED driver applications. The LP3311S can drive a string of up to 8 white LED in series, ensuring uniform brightness and eliminating several ballast resistors. The LP3311S implements a constant frequency 1MHz PWM .

LP3311S Features

* High Efficiency: 90% 

* 1MHz Fixed-Frequency PWM Operation

* Maximum Output Voltage up to 29V

* Operating Range : 2.7V to 5.5V

* Shutdown Supply Current:

LP3311S-Lowpowersemi.pdf