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LM5026MT Datasheet(PDF) 5 Page - Texas Instruments |
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LM5026MT Datasheet(HTML) 5 Page - Texas Instruments |
5 / 39 page LM5026 www.ti.com SNVS363E – AUGUST 2005 – REVISED NOVEMBER 2015 6.4 Thermal Information LM5026 THERMAL METRIC(1) NHQ (WSON) PW (TSSOP) UNIT 16 PINS 16 PINS RθJA Junction-to-ambient thermal resistance 29.9 98.6 °C/W RθJC(top) Junction-to-case (top) thermal resistance 25.8 27.6 °C/W RθJB Junction-to-board thermal resistance 9.2 44.1 °C/W ψJT Junction-to-top characterization parameter 0.2 1.2 °C/W ψJB Junction-to-board characterization parameter 9.5 43.3 °C/W RθJC(bot) Junction-to-case (bottom) thermal resistance 2.3 — °C/W (1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report, SPRA953. 6.5 Electrical Characteristics Specification typical values are for TJ = 25°C unless otherwise noted. VIN = 48 V, VCC = 10 V, RT = 30.0 kΩ, Rset = 34.8 kΩ unless otherwise stated. Minimum and maximum specifications apply over full operating junction temperature range. (1) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT START-UP REGULATOR TJ = 25°C 7.6 VCC Reg VCC regulation No Load V over full operating junction 7.3 7.9 temperature range TJ = 25°C 25 VCC current limit See (2) mA over full operating junction 20 temperature range TJ = 25°C 165 Start-up regulator I-VIN leakage (external VCC VIN = 100 V µA over full operating junction 500 supply) temperature range TJ = 25°C 350 Shutdown current (Iin) UVLO = 0 V µA over full operating junction 450 temperature range VCC SUPPLY VCC Reg – TJ = 25°C VCC undervoltage 120 mV lockout voltage V VCC Reg – 220 (positive going Vcc) over full operating junction temperature range mV TJ = 25°C 1.5 VCC undervoltage V hysteresis over full operating junction temperature range 1 2 VCC supply current Cgate = 0, UVLO = 1.3 V, over full operating junction 4.2 mA (ICC) temperature range REFERENCE SUPPLY TJ = 25°C 5 Ref voltage IREF = 0 mA V over full operating junction 4.85 5.15 temperature range TJ = 25°C 25 VREF Ref voltage regulation IREF = 0 to 10 mA mV over full operating junction 50 temperature range TJ = 25°C 20 Ref current limit mA over full operating junction temperature range 10 UVLO SHUTDOWN/STANDBY TJ = 25°C 0.4 Undervoltage V shutdown threshold over full operating junction temperature range 0.3 0.5 (1) Minimum and maximum limits are 100% production tested at 25ºC. Limits over the operating temperature range are specified through correlation using Statistical Quality Control (SQC) methods. Limits are used to calculate Average Outgoing Quality Level (AOQL). All electrical characteristics having room temperature limits are tested during production with TA = TJ = 25°C. All hot and cold limits are specified by correlating the electrical characteristics to process and temperature variations and applying statistical process control. (2) Device thermal limitations may limit usable range. Copyright © 2005–2015, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LM5026 |
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