XL1509E - XLSEMI

Description: Wide 4.5V to 40V Input Voltage Range  3.3V,5V,12V, and adjustable versions  Output Adjustable from 1.23V to 37V  Maximum Duty Cycle 100%  Minimum Drop Out 1.5V  Fixed 150KHz Switching Frequency  2A Constant Output Current Capability  Internal Optimize Power Transistor  High efficiency  Excellent line and load regulation  TTL shutdown capability  ON/OFF pin with hysteresis function  Built in thermal shutdown function  Built in current limit function  Built in second current limit