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LM3402HV Datenblatt(PDF) 5 Page - Texas Instruments |
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LM3402HV Datenblatt(HTML) 5 Page - Texas Instruments |
5 / 39 page LM3402, LM3402HV www.ti.com SNVS450F – SEPTEMBER 2006 – REVISED OCTOBER 2015 6.4 Thermal Information LM3402, LM3402HV THERMAL METRIC(1) DDA (HSOP) DGK (VSSOP) UNIT 8 PINS 8 PINS RθJA Junction-to-ambient thermal resistance 45.6 154.4 °C/W RθJC(top) Junction-to-case (top) thermal resistance 53.1 48.2 °C/W RθJB Junction-to-board thermal resistance 25.8 74.2 °C/W ψJT Junction-to-top characterization parameter 7.6 4.3 °C/W ψJB Junction-to-board characterization parameter 25.7 72.9 °C/W RθJC(bot) Junction-to-case (bottom) thermal resistance 3.2 N/A °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 VIN = 24 V unless otherwise indicated. Typical values apply over –40°C ≤ TJ ≤ 125°C; minimum and maximum values apply over the full operating temperature range (1) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT REGULATION AND OVERVOLTAGE COMPARATORS VREF-REG CS Regulation Threshold CS Decreasing, SW turns on 194 200 206 mV VREF-0V CS Overvoltage Threshold CS Increasing, SW turns off 300 mV ICS CS Bias Current CS = 0 V 0.1 µA SHUTDOWN VSD-TH Shutdown Threshold RON / SD Increasing 0.3 0.7 1.05 V VSD-HYS Shutdown Hysteresis RON / SD Decreasing 40 mV OFF TIMER tOFF-MIN Minimum OFF-time CS = 0 V 300 ns INTERNAL REGULATOR VCC-REG VCC Regulated Output 6.6 7 7.4 V VIN-DO VIN - VCC Dropout ICC = 5 mA, 6 V < VIN < 8 V 300 mV VCC-BP-TH VCC Bypass Threshold VIN Increasing 8.8 V VCC-BP-HYS VCC Bypass Hysteresis VIN Decreasing 225 mV VCC-Z-6 VIN = 6 V 55 Ω VCC Output Impedance VCC-Z-8 VIN = 8 V 50 (0 mA < ICC < 5 mA) VCC-Z-24 VIN = 24 V 0.4 VCC-LIM VCC Current Limit (2) VIN = 24 V, VCC = 0 V 16 mA VCC Undervoltage Lock-out VCC-UV-TH VCC Increasing 5.25 V Threshold VCC Undervoltage Lock-out VCC-UV-HYS VCC Decreasing 150 mV Hysteresis VCC Undervoltage Lock-out Filter VCC-UV-DLY 100-mV Overdrive 3 µs Delay IIN-OP IIN Operating Current Non-switching, CS = 0 V 600 900 µA IIN-SD IIN Shutdown Current RON / SD = 0 V 90 180 µA CURRENT LIMIT ILIM Current Limit Threshold 530 735 940 mA DIM COMPARATOR VIH Logic High DIM Increasing 2.2 V VIL Logic Low DIM Decreasing 0.8 V IDIM-PU DIM Pullup Current DIM = 1.5 V 75 µA (1) Typical specifications represent the most likely parametric norm at 25°C operation. (2) VCC provides self bias for the internal gate drive and control circuits. Device thermal limitations limit external loading. Copyright © 2006–2015, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LM3402 LM3402HV |
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