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LM5576 bảng dữ liệu(PDF) 5 Page - Texas Instruments |
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LM5576 bảng dữ liệu(HTML) 5 Page - Texas Instruments |
5 / 34 page 5 LM5576, LM5576-Q1 www.ti.com SNVS447J – JANUARY 2007 – REVISED NOVEMBER 2014 Product Folder Links: LM5576 LM5576-Q1 Submit Documentation Feedback Copyright © 2007–2014, Texas Instruments Incorporated (1) AEC Q100-002 indicates HBM stressing is done in accordance with the ANSI/ESDA/JEDEC JS-001 specification. 6.3 Handling Ratings: LM5576-Q1 MIN MAX UNIT Tstg Storage temperature range –65 150 °C V(ESD) Electrostatic discharge Human body model (HBM), per AEC Q100-002(1) 2 kV 6.4 Recommended Operating Conditions MIN MAX UNIT VIN 6 75 V Operation Junction Temperature (Q0) −40 150 °C Operation Junction Temperature (Q1) −40 125 °C (1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953. 6.5 Thermal Information THERMAL METRIC(1) LM5576 UNIT PWP 20 PINS RθJA Junction-to-ambient thermal resistance 40 °C/W (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 Texas Instruments' Average Outgoing Quality Level (AOQL). 6.6 Electrical Characteristics Typical values correspond to TJ = 25°C, VIN = 48 V, RT = 32.4kΩ. Minimum and maximum limits apply over –40°C to 125°C junction temperature range unless otherwise stated. (1) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT STARTUP REGULATOR VCC Reg VCC Regulator Output 6.85 7.15 7.45 V VCC LDO Mode turn-off 9 V VCC Current Limit VCC = 0 V 25 mA VCC SUPPLY VCC UVLO Threshold (VCC increasing) 5.03 5.35 5.67 V VCC Undervoltage Hysteresis 0.25 V Bias Current (Iin) FB = 1.3 V 3.4 4.5 mA Shutdown Current (Iin) SD = 0 V 57 85 µA SHUTDOWN THRESHOLDS Shutdown Threshold (SD Increasing) 0.47 0.7 0.9 V Shutdown Hysteresis 0.1 V Standby Threshold (Standby Increasing) 1.17 1.225 1.28 V Standby Hysteresis 0.1 V SD Pull-up Current Source 5 µA SWITCH CHARACTERISTICS Buck Switch Rds(on) (Q0) 170 380 m Ω Buck Switch Rds(on) (Q1) 170 340 m Ω BOOST UVLO 3.8 V BOOST UVLO Hysteresis 0.56 V Pre-charge Switch Rds(on) 70 Ω Pre-charge Switch on-time 265 ns CURRENT LIMIT Cycle by Cycle Current Limit (Q0) RAMP = 0 V 3.6 4.2 5.5 A |
Số phần tương tự - LM5576_17 |
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Mô tả tương tự - LM5576_17 |
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