• Deliver 500mA at 4.0V Output voltage

   with2V input Voltage 

• The controller output voltage can be 

   adjustedfrom 2.5V～6.0V(In 0.1V step) 

• Output voltage accuracy±2% 

• Low temperature-drift coefficient of 

   theoutput voltage±100ppm/℃

• Only four external components are necessary: 

   An inductor, a Schottky diode, an output 

   filtercapacitor and a NMOSFET or a NPN transistor 

• High power conversion efficiency90％

• Low quiescent current drawn from powersource6uA

• Small package--SOT-23-3, SOT-23-5, SOT-89-3