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LM3406HV 数据表(PDF) 1 Page - Texas Instruments |
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LM3406HV 数据表(HTML) 1 Page - Texas Instruments |
1 / 37 page GND DIM BOOT SW VOUT RON LM3406/06HV VIN,VINS D1 L1 CB RSNS CF RON CIN VIN IF VCC CS COMP CC LM3406, LM3406HV www.ti.com SNVS512C – SEPTEMBER 2008 – REVISED FEBRUARY 2010 LM3406/06HV 1.5A Constant Current Buck Regulator for Driving High Power LEDs Check for Samples: LM3406, LM3406HV 1 FEATURES DESCRIPTION The LM3406/06HV are monolithic switching 2 • Integrated 2.0A MOSFET regulators designed to deliver constant currents to • VIN Range 6V to 42V (LM3406) high power LEDs. Ideal for automotive, industrial, and • VIN Range 6V to 75V (LM3406HV) general lighting applications, they contain a high-side N-channel MOSFET switch with a current limit of • True Average Output Current Control 2.0A (typical) for step-down (Buck) regulators. • 1.7A Minimum Output Current Limit Over Controlled on-time with true average current and an Temperature external current sense resistor allow the converter • Cycle-by-Cycle Current Limit output voltage to adjust as needed to deliver a constant current to series and series-parallel • PWM Dimming with Dedicated Logic Input connected LED arrays of varying number and type. • PWM Dimming with Power Input Voltage LED dimming via pulse width modulation (PWM) is • Simple Control Loop Compensation achieved using a dedicated logic pin or by PWM of the power input voltage. The product feature set is • Low Power Shutdown rounded out with low-power shutdown and thermal • Supports All-Ceramic Output Capacitors and shutdown protection. Capacitor-less Outputs • Thermal Shutdown Protection • TSSOP-14 Package 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 © 2008–2010, 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 - LM3406HV |
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类似说明 - LM3406HV |
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