Description
IS31LT3354 40V LED DRIVER WITH EXTERNAL SWITCH GENERAL .
The IS31LT3354 is a continuous mode inductive step-down converter, designed for driving a single LED or multiple series connected LEDs efficiently fro.
Features
* Simple low parts count
* Wide input voltage range: 6V to 40V
* Output Current only limited by external component selection
* High efficiency (up to 98% )
* Typical 1200:1 dimming ratio
* Typical 3% output current accuracy
* Single pin on/off and brightness control using
Applications
* Low voltage halogen replacement LEDs
* Automotive lighting
* Low voltage industrial lighting
* LED back-up lighting
* Illuminated sign
TYPICAL APPLICATION CIRCUIT
Vin(DC)=6V~40V
Rs
http://www. DataSheet4U. net/
D1
5 4
C3
I SENSE
up to 10 LEDs
C1
C2 0.1uF
VIN
3
L1
1
AD