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LM3242TMX/NOPB Datasheet(PDF) 4 Page - Texas Instruments |
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LM3242TMX/NOPB Datasheet(HTML) 4 Page - Texas Instruments |
4 / 32 page ![]() LM3242 SNOSB48E – OCTOBER 2011 – REVISED AUGUST 2015 www.ti.com 6 Specifications 6.1 Absolute Maximum Ratings over operating free-air temperature range (unless otherwise noted) (1) MIN MAX UNIT VIN to SGND −0.2 6 V PGND to SGND −0.2 0.2 V EN, VCON, BPEN (SGND − 0.2) (VIN + 0.2) w/ 6 V V SW, FB (PGND – 0.2) (VIN + 0.2) V Continuous power dissipation(2) Internally limited Maximum lead temperature (soldering, 10 sec) 260 °C Junction temperature, TJ-MAX 150 °C Storage temperature, Tstg −65 150 °C (1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. (2) Internal thermal shutdown circuitry protects the device from permanent damage. Thermal shutdown engages at TJ = 150°C (typical) and disengages at TJ = 125°C (typical). 6.2 ESD Ratings VALUE UNIT Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001(1) ±2000 Charged-device model (CDM), per JEDEC specification JESD22- V(ESD) Electrostatic discharge ±1250 V C101(2) Machine model ±200 (1) JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process. (2) JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process. 6.3 Recommended Operating Conditions over operating free-air temperature range (unless otherwise noted) (1) MIN NOM MAX UNIT Input voltage 2.7 5.5 V Recommended load current 0 750 mA PWM mode 0 750 mA Bypass mode 0 1000 mA Junction temperature, TJ −30 125 °C Ambient temperature, TA (2) −30 90 °C (1) All voltages are with respect to the potential at the GND pins. (2) In applications where high power dissipation and/or poor package thermal resistance is present, the maximum ambient temperature may have to be de-rated. Maximum ambient temperature (TA-MAX) is dependent on the maximum operating junction temperature (TJ-MAX-OP = 125°C), the maximum power dissipation of the device in the application (PD-MAX), and the junction-to ambient thermal resistance of the part/package in the application (RθJA), as given by the following equation: TA-MAX = TJ-MAX-OP – (RθJA × PD-MAX). 6.4 Thermal Information LM3242 THERMAL METRIC(1) YFQ (DSBGA) UNIT 9 PINS RθJA Junction-to-ambient thermal resistance 85 °C/W (1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report, SPRA953. 4 Submit Documentation Feedback Copyright © 2011–2015, Texas Instruments Incorporated Product Folder Links: LM3242 |
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