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LM5010ASDX/NOPB Datasheet(PDF) 4 Page - Texas Instruments |
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LM5010ASDX/NOPB Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 25 page  LM5010A LM5010A-Q1 SNVS376E – OCTOBER 2005 – REVISED FEBRUARY 2013 www.ti.com Electrical Characteristics (continued) Specifications with standard type are for TJ = 25°C only; limits in boldface type apply over the full Operating Junction Temperature (TJ) range. Minimum and Maximum limits are specified through test, design, or statistical correlation. Typical values represent the most likely parametric norm at TJ = 25°C, and are provided for reference purposes only. Unless otherwise stated the following conditions apply: VIN = 48V, RON = 200kΩ. See (1). Symbol Parameter Conditions Min Typ Max Unit Switch Characteristics RDS(on) Buck Switch RDS(on) at ISW = 200 TJ ≤ 125°C 0.35 0.80 Ω mA TJ ≤ 150°C 0.85 UVLOGD Gate Drive UVLO VBST - VSW Increasing 1.7 3.0 4.0 V UVLOGD hysteresis 400 mV SOFT-START Pin ISS Internal current source 8.0 11.5 15 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 290 390 496 ns Shutdown threshold Voltage at RON/SD rising 0.30 0.7 1.05 V Threshold hysteresis 40 mV Off Timer tOFF Minimum Off-time 260 ns Regulation and Over-Voltage Comparators (FB Pin) VREF FB regulation threshold TJ ≤ 125°C 2.445 2.50 2.550 V TJ ≤ 150°C 2.435 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, 0 LFPM Air WSON-10 Package 40 °C/W Flow HTSSOP-14 Package 40 θJC Junction to Case WSON-10 Package 5.2 °C/W HTSSOP-14 Package 5.2 4 Submit Documentation Feedback Copyright © 2005–2013, Texas Instruments Incorporated Product Folder Links: LM5010A LM5010A-Q1 |
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