LM3401
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SNVS516C – AUGUST 2007 – REVISED MAY 2013
LM3401 Hysteretic PFET Controller for High Power LED Drive
Check for Samples: LM3401
FEATURES
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 VSSOP Package
APPLICATIONS
• LED Driver • Battery Charger
DESCRIPTION
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)
regulator...