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LM3402MR 数据表(PDF) 1 Page - Texas Instruments |
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LM3402MR 数据表(HTML) 1 Page - Texas Instruments |
1 / 38 page GND DIM BOOT SW CS RON LM3402/02HV VIN D1 L1 CB RSNS CF RON CIN VIN IF VCC LM3402, LM3402HV www.ti.com SNVS450E – SEPTEMBER 2006 – REVISED MAY 2013 0.5A Constant Current Buck Regulator for Driving High Power LEDs Check for Samples: LM3402, LM3402HV 1 FEATURES DESCRIPTION The LM3402/02HV are monolithic switching 2 • Integrated 0.5A N-channel MOSFET regulators designed to deliver constant currents to • VIN Range from 6V to 42V (LM3402) high power LEDs. Ideal for automotive, industrial, and • VIN Range from 6V to 75V (LM3402HV) general 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 with • No Control Loop Compensation Required an external resistor allow the converter output voltage to adjust as needed to deliver a constant current to • Separate PWM Dimming and Low Power series and series - parallel connected arrays of LEDs Shutdown of varying number and type, LED dimming by pulse • Supports All-ceramic Output Capacitors and width modulation (PWM), broken/open LED Capacitor-less Outputs protection, low-power shutdown and thermal • Thermal Shutdown Protection shutdown complete the feature set. • VSSOP, SO PowerPAD Packages APPLICATIONS • LED Driver • Constant Current Source • Automotive Lighting • General Illumination • Industrial Lighting Typical Application 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2006–2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
类似零件编号 - LM3402MR |
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类似说明 - LM3402MR |
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