Description
IS31LT3380 40V/1.2A LED DRIVER WITH SWITCH DIMMING September 2011 GENERAL .
The IS31LT3380 is a continuous mode inductive step-down converter, designed for driving a single LED or multiple series connected LEDs efficiently fro.
Features
* Multi-modes switch dimming
* Up to 1.2A output current
* High efficiency (up to 98%)
* Wide input voltage range: 8.5V to 40V
* Internal 40V power switch
* Simple low parts count
* Typical 5% output current accuracy
* Up to 1MHz switching frequency
* Inherent LED
Applications
* MR16, MR11 LED spotlight
* LED street lighting
* PAR LED bulb
* Other LED lighting
Lumissil Microsystems
* www. lumissil. com
1
Rev. A, 09/01/2011
IS31LT3380
TYPICAL APPLICATION CIRCUIT
Figure 1 Typical Application Circuit Note: The capacitor, C2, can’t be removed. And i