công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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LM5575QMHX/NOPB bảng dữ liệu(PDF) 5 Page - Texas Instruments |
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LM5575QMHX/NOPB bảng dữ liệu(HTML) 5 Page - Texas Instruments |
5 / 31 page LM5575-Q1 www.ti.com SNOSB23C – OCTOBER 2008 – REVISED DECEMBER 2014 7.4 Thermal Information LM5575-Q1 THERMAL METRIC(1) PWP UNIT 16 PINS RθJA Junction-to-ambient thermal resistance 50 °C/W RθJC(top) Junction-to-case (top) thermal resistance 14 (1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953. 7.5 Electrical Characteristics Specifications with standard typeface are for TJ = 25°C. VIN = 48V, RT = 32.4 kΩ unless otherwise stated. (1) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT STARTUP REGULATOR 7.15 V VccReg VCC Regulator Output Over full Operating Junction 6.85 7.5 Temperature range VCC LDO Mode turn-off 9 V VCC Current Limit VCC = 0 V 25 mA VCC SUPPLY (VCC increasing) 5.35 V VCC UVLO Threshold Over full Operating Junction 5.01 5.69 Temperature range VCC Undervoltage Hysteresis 0.35 V FB = 1.3 V 3.7 mA Bias Current (Iin) Over full Operating Junction 4.5 Temperature range SD = 0 V 57 µA Shutdown Current (Iin) Over full Operating Junction 85 Temperature range SHUTDOWN THRESHOLDS (SD Increasing) 0.7 V Shutdown Threshold Over full Operating Junction 0.43 0.9 Temperature range Shutdown Hysteresis 0.1 V (Standby Increasing) 1.225 V Standby Threshold Over full Operating Junction 1.15 1.30 Temperature range Standby Hysteresis 0.1 V SD Pullup Current Source 5 µA SWITCH CHARACTERISTICS 330 m Ω Buck Switch Rds(on) Over full Operating Junction 760 Temperature range BOOST UVLO 4 V BOOST UVLO Hysteresis 0.56 V Pre-charge Switch Rds(on) 70 Ω Pre-charge Switch on-time 250 ns CURRENT LIMIT RAMP = 0 V 2.1 A Cycle by Cycle Current Limit Over full Operating Junction 1.8 2.7 Temperature range (1) Min and Max limits are 100% production tested at 25°C. Limits over the operating temperature range are ensured through correlation using Statistical Quality Control (SQC) methods. Limits are used to calculate Average Outgoing Quality Level (AOQL). Copyright © 2008–2014, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LM5575-Q1 |
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Mô tả tương tự - LM5575QMHX/NOPB |
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