LM3401 ,Hysteretic PFET Controller for High Power LED DriveFEATURES DESCRIPTIONThe LM3401 is a switching controller designed to2• Hysteretic Control for Speed ..
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LMK01010ISQE , LMK01000 Family LMK01000 Family 1.6 GHz High Performance Clock Buffer
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LM3401-LM3401MM/NOPB
Hysteretic PFET Controller for High Power LED Drive
HYS
ILIM
DIM
SNS
VIN
LM3401LED current
GND
VIN = 4.5V to 35V
LM3401
www.ti.com SNVS516C –AUGUST 2007–REVISED MAY 2013
LM3401 Hysteretic PFET Controller for High Power LED Drive
Checkfor Samples: LM3401constant current within ±6% toa wide
• Low 200mV Reference Voltage variety and numberof series Output
• Programmable Current Limit currentis adjusted with an sensing
• High speed CMOS Compatible resistorto drive high powerof 1A.
Enable/Dimming For improved accuracy and LM3401
• Adjustable Hysteresis features dual-side hysteresis, reference
Input UVLO voltage, and short propagation cycle by
cycle current limit provides over
• No output Capacitor Required current and short circuit failures. features
• 8-pin VSSOP Package include adjustable hysteresis a CMOS
compatible input pin for PWM
APPLICATIONS LED Driver Battery Charger
TYPICAL APPLICATION CIRCUIT
