Features
n Operation Voltage DC 12V~80V.
n 0.1V current sense voltage reference.
n Directly drive 1~8 Series 1W LED.
n Excellent line and load regulation.
n Internal Optimize Power HV-MOSFET.
n Built in Thermal Shutdown Function.
n Built in Current Limiting Function.
n Built in Soft-Start Circuit.
n Available in SOIC-8 package.
n Up to 97% efficiency.
Features n Wide 3.6V to 20V Input Voltage Rang n 0.22V Constant Current Sense Voltage , n Directly drive 3~8 Series 1W LED n Fixed 400KHz Switching Frequency n Max. 2A Switching Current Capability n Up to 92% efficiency n Excellent line and load regulation n EN PIN TTL shutdown capability n Internal Optimize Power MOSFET n Built in LED Open Protection n Built in Soft-Start Function n Built in Frequency Compensation n Built in Thermal Shutdown Function n Built in Current Limit Function n Available in SOP8 package
Featuresn Wide 5V to 32V Input Voltage Rangen Maximum Boost Output Up to 60Vn 0.22V FB adjustable LED drive currentn Directly drive 16 Series 1W/3W LED atVIN=24Vn Fixed 180KHz Switching Frequencyn Max. 5A Switching Current Capabilityn Up to 94% efficiencyn Excellent line and load regulationn EN PIN TTL shutdown capabilityn Internal Optimize Power MOSFETn Built in Soft-Start Functionn Built in Frequency Compensationn Built in Thermal Shutdown Functionn Built in Current Limit Functionn Available in TO263-5L & TO220-5Lpackage