VAS1085——5~150mA Programmable Constant Current Regulator

General Description
VAS1085 is a wide input range constant current LED driver to provide cost-effective solution for advertising light boxes, landscape lighting and other LED illumination application. For common application, VAS1085 needs only one external resistor to set the LED current. For high current application, several VAS1085 can be connected in parallel to deliver higher output power.
VAS1085 can achieve 85% full setting current with only 1.35V input voltage, with this feature, it is ideal for applications with extremely low power supply voltage. Integrated over temperature protection, the LED current will automatically reduce when the die temperature reaches 140°C, and shut down when the dietemperature reaches 160°C.
VAS1085 is available with SOT23-5 package

Application
 Advertising light boxes
 Landscape lighting
 The low side current sink
 Ideal constant current source

Features
 Wide supply range from 1.2V to 40 V
 Simple application circuits
 Up to 150mA output current capability
 Obtain larger output current in parallel
 ±5% SET voltage accuracy
 Support PWM dimming
 Over-Temperature-Protection
 SOT23-5 package

VAS1085 DS 1.0