Part Number	LM3401
Manufacturer	Texas Instruments
Overview	The LM3401 is a switching controller designed to provide constant current to high power LEDs. The LM3401 drives an external P-MOSFET switch for step-down (Buck) regulators. The LM3401 delivers constan. 1 *2 Hysteretic Control for Speed and Simplicity * Input Operating Range of 4.5V-35V * 1.5MHz Maximum Switching Frequency * Low 200mV Reference Voltage * Programmable Current Limit * High speed CMOS Compatible Enable/Dimming * Adjustable Hysteresis * Input UVLO * No output Capacitor Required * 8-pin.