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LM3405AXMY Scheda tecnica(PDF) 4 Page - Texas Instruments |
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LM3405AXMY Scheda tecnica(HTML) 4 Page - Texas Instruments |
4 / 32 page LM3405A SNVS508C – OCTOBER 2007 – REVISED MAY 2013 www.ti.com ELECTRICAL CHARACTERISTICS Unless otherwise specified, VIN = 12V. Limits in standard type are for TJ = 25°C only; limits in boldface type apply over the junction temperature (TJ) range of -40°C to +125°C. Minimum and Maximum limits are specified through test, design, or statistical correlation. Typical values represent the most likely parametric norm, and are provided for reference purposes only. Parameter Test Conditions Min Typ Max Units VFB Feedback Voltage 0.188 0.205 0.220 V ΔVFB/(ΔVINxVFB) Feedback Voltage Line Regulation VIN = 3V to 22V 0.01 %/V IFB Feedback Input Bias Current Sink/Source 10 250 nA Under-voltage Lockout VIN Rising 2.74 2.95 V UVLO Under-voltage Lockout VIN Falling 1.9 2.3 V UVLO Hysteresis 0.44 V fSW Switching Frequency 1.2 1.6 1.9 MHz DMAX Maximum Duty Cycle VFB = 0V 85 94 % SOT (VBOOST - VSW = 3V) 300 600 RDS(ON) Switch ON Resistance m Ω MSOP (VBOOST - VSW = 3V) 360 700 ICL Switch Current Limit VBOOST - VSW = 3V, VIN = 3V 1.2 2.0 2.8 A Quiescent Current Switching, VFB = 0.195V 1.8 2.8 mA IQ Quiescent Current (Shutdown) VEN/DIM = 0V 0.3 µA Enable Threshold Voltage VEN/DIM Rising 1.8 V VEN/DIM_TH Shutdown Threshold Voltage VEN/DIM Falling 0.4 V IEN/DIM EN/DIM Pin Current Sink/Source 0.01 µA ISW Switch Leakage VIN = 22V 0.1 µA 4 Submit Documentation Feedback Copyright © 2007–2013, Texas Instruments Incorporated Product Folder Links: LM3405A |
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