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LM3402HVMR 데이터시트(PDF) 1 Page - Texas Instruments |
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LM3402HVMR 데이터시트(HTML) 1 Page - Texas Instruments |
1 / 39 page GND DIM BOOT SW CS RON LM3402/02HV VIN D1 L1 CB RSNS CF RON CIN VIN IF VCC Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM3402, LM3402HV SNVS450F – SEPTEMBER 2006 – REVISED OCTOBER 2015 LM3402/HV 0.5-A Constant Current Buck Regulator for Driving High Power LEDs 1 Features 3 Description The LM3402/HV are monolithic switching regulators 1 • Integrated 0.5-A N-channel MOSFET designed to deliver constant currents to high power • VIN Range from 6 V to 42 V (LM3402) LEDs. Ideal for automotive, industrial, and general • VIN Range from 6 V to 75 V (LM3402HV) lighting applications, they contain a high-side N- channel MOSFET switch with a current limit of 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 voltage to adjust as needed to deliver a constant • Separate PWM Dimming and Low Power current to series and series - parallel connected Shutdown arrays of LEDs of varying number and type, LED • Supports All 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) PART NUMBER PACKAGE BODY SIZE (NOM) 2 Applications VSSOP (8) 3.00 mm × 3.00 mm • LED Drivers LM3402/HV HSOP (8) 4.89 mm × 3.90 mm • Constant Current Source (1) For all available packages, see the orderable addendum at • Automotive Lighting the end of the data sheet. • General Illumination • Industrial Lighting Typical Application Diagram 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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