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LM3402MMNSN/a48122avai0.5A Constant Current Buck Regulator for High Power LED Drivers 8-VSSOP -40 to 125
LM3402MM NOPB |LM3402MMNOPBNSC N/a25000avai0.5A Constant Current Buck Regulator for High Power LED Drivers 8-VSSOP -40 to 125
LM3402MM/NOPB |LM3402MMNOPBNSCN/a390avai0.5A Constant Current Buck Regulator for High Power LED Drivers 8-VSSOP -40 to 125
LM3402MMXNSN/a48122avai0.5A Constant Current Buck Regulator for High Power LED Drivers 8-VSSOP -40 to 125


LM3402MM ,0.5A Constant Current Buck Regulator for High Power LED Drivers 8-VSSOP -40 to 125 SNVS450F–SEPTEMBER 2006–REVISED OCTOBER 20155 Pin Configuration and FunctionsDGK PackageDDA Packag ..
LM3402MM NOPB ,0.5A Constant Current Buck Regulator for High Power LED Drivers 8-VSSOP -40 to 125Features 3 DescriptionThe LM3402/HV are monolithic switching regulators1• Integrated 0.5-A N-channe ..
LM3402MM/NOPB ,0.5A Constant Current Buck Regulator for High Power LED Drivers 8-VSSOP -40 to 125Maximum Ratings(1)(2)over operating free-air temperature range (unless otherwise noted)MIN MAX UNIT ..
LM3402MMX ,0.5A Constant Current Buck Regulator for High Power LED Drivers 8-VSSOP -40 to 125Block Diagram... 10Information..... 317.3 Feature Description.... 104 Revision HistoryNOTE: Page nu ..
LM3403 ,Quad Operational AmplifiersLM3303/LM3403QuadOperationalAmplifiersFebruary1995LM3303/LM3403QuadOperationalAmplifiersYFour inter ..
LM3403 ,Quad Operational AmplifiersLM3303/LM3403QuadOperationalAmplifiersFebruary1995LM3303/LM3403QuadOperationalAmplifiersYFour inter ..
LMK01010ISQE , LMK01000 Family LMK01000 Family 1.6 GHz High Performance Clock Buffer
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LMK02000ISQ , Precision Clock Conditioner with Integrated PLL
LMK02000ISQ , Precision Clock Conditioner with Integrated PLL
LMK02000ISQ , Precision Clock Conditioner with Integrated PLL


LM3402MM-LM3402MM NOPB-LM3402MM/NOPB-LM3402MMX
0.5A Constant Current Buck Regulator for High Power LED Drivers
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LM3402, LM3402HV

SNVS450F –SEPTEMBER 2006–REVISED OCTOBER 2015
LM3402/HV 0.5-A Constant Current Buck Regulator for Driving High Power LEDs Features 3 Description

The LM3402/HV are monolithic switching regulators Integrated 0.5-A N-channel MOSFET designedto deliver constant currentsto high power• VIN Range from6Vto42V (LM3402) LEDs. Ideal for automotive, industrial, and general• VIN Range from6Vto75V (LM3402HV) lighting applications, they containa high-side N-
channel MOSFET switch witha current limitof 735• 500 mA Output Current Over Temperature mA (typical) for step-down (Buck) regulators.• Cycle-by-Cycle Current Limit Hysteretic control with controlled ON-time coupled• No Control Loop Compensation Required with an external resistor allow the converter output
voltageto adjust as neededto delivera constant• Separate PWM Dimming and Low Power
current to series and series- parallel connectedShutdown
arraysof LEDsof varying number and type, LED• SupportsAll Ceramic-Output Capacitors and dimming by pulse width modulation (PWM),Capacitor-Less Outputs broken/open LED protection, low-power shutdown• Thermal Shutdown Protection and thermal shutdown complete the feature set. VSSOP, SO PowerPAD™ Packages
Device Information(1)2 Applications
• LED Drivers• Constant Current Source
(1) Forall available packages, see the orderable addendumat• Automotive Lighting the endofthe data sheet.• General Illumination Industrial Lighting
Typical Application Diagram
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