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LM5010SD Datasheet(PDF) 4 Page - Texas Instruments |
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LM5010SD Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 24 page  LM5010 SNVS307F – SEPTEMBER 2004 – REVISED FEBRUARY 2013 www.ti.com Electrical Characteristics (continued) Specifications with standard typeface are for TJ = 25°C, and those with boldface type apply over full Operating Junction Temperature range. VIN = 48V, RON = 200kΩ, unless otherwise stated (1) and (2). Symbol Parameter Test Conditions Min Typ Max Unit Switch Characteristics Rds(on) Buck Switch Rds(on) ITEST = 200 mA 0.35 0.80 Ω UVLOGD Gate Drive UVLO VBST - VSW Increasing 3.0 4.3 5.0 V UVLOGD hysteresis 440 mV Softstart Pin Pull-up voltage 2.5 V Internal current source 11.5 µA Current Limit ILIM Threshold Current out of ISEN 1 1.25 1.5 A Resistance from ISEN to SGND 130 m Ω Response time 150 ns On Timer, RON/SD Pin tON - 1 On-time VIN = 10V, RON = 200 kΩ 2.1 2.75 3.4 µs tON - 2 On-time VIN = 75V, RON = 200 kΩ 290 390 490 ns Shutdown threshold Voltage at RON/SD rising 0.35 0.65 1.1 V Threshold hysteresis Voltage at RON/SD falling 40 mV Off Timer tOFF Off-time 265 ns Regulation and Over-Voltage Comparators (FB Pin) VREF FB regulation threshold SS pin = steady state 2.445 2.5 2.550 V FB over-voltage threshold 2.9 V FB bias current 1 nA Thermal Shutdown TSD Thermal shutdown temperature 175 °C Thermal shutdown hysteresis 20 °C Thermal Resistance θJA Junction to Ambient WSON-10 Package 40 °C/W HTSSOP-14 Package 40 4 Submit Documentation Feedback Copyright © 2004–2013, Texas Instruments Incorporated Product Folder Links: LM5010 |
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