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LMZ14203 Folha de dados(PDF) 4 Page - Texas Instruments |
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LMZ14203 Folha de dados(HTML) 4 Page - Texas Instruments |
4 / 25 page LMZ14203 SNVS632N – DECEMBER 2009 – REVISED MARCH 2013 www.ti.com Absolute Maximum Ratings (1) (2) VIN, RON to GND -0.3V to 43.5V EN, FB, SS to GND -0.3V to 7V Junction Temperature 150°C Storage Temperature Range -65°C to 150°C ESD Susceptibility (3) ± 2 kV Peak Reflow Case Temperature 245°C (30 sec) For soldering specifications, refer to the following document: www.ti.com/lit/snoa549c (1) Absolute Maximum Ratings are limits beyond which damage to the device may occur. Operating Ratings are conditions under which operation of the device is intended to be functional. For ensured specifications and test conditions, see the Electrical Characteristics. (2) If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/ Distributors for availability and specifications. (3) The human body model is a 100pF capacitor discharged through a 1.5 k Ω resistor into each pin. Test method is per JESD-22-114. Operating Ratings (1) VIN 6V to 42V EN 0V to 6.5V Operation Junction Temperature −40°C to 125°C (1) Absolute Maximum Ratings are limits beyond which damage to the device may occur. Operating Ratings are conditions under which operation of the device is intended to be functional. For ensured specifications and test conditions, see the Electrical Characteristics. Electrical Characteristics Limits in standard type are for TJ = 25°C only; limits in boldface type apply over the junction temperature (TJ) range of -40°C to +125°C. Minimum and Maximum limits are ensured through test, design or statistical correlation. Typical values represent the most likely parametric norm at TJ = 25°C, and are provided for reference purposes only. Unless otherwise stated the following conditions apply: VIN = 24V, Vout = 3.3V Min Typ Max Symbol Parameter Conditions Units (1) (2) (1) SYSTEM PARAMETERS Enable Control(3) VEN EN threshold trip point VEN rising 1.1 1.18 1.25 V VEN-HYS EN threshold hysteresis VEN falling 90 mV Soft-Start ISS SS source current VSS = 0V 5 8 11 µA ISS-DIS SS discharge current -200 µA Current Limit ICL Current limit threshold d.c. average 3.2 4.2 5.25 A VIN= 12V to 24V ON/OFF Timer tON-MIN ON timer minimum pulse width 150 ns tOFF OFF timer pulse width 260 ns Regulation and Over-Voltage Comparator VFB In-regulation feedback voltage VSS >+ 0.8V 0.784 0.804 0.825 V TJ = -40°C to 125°C IO = 3A VSS >+ 0.8V 0.786 0.802 0.818 V TJ = 25°C IO = 10 mA VFB-OV Feedback over-voltage protection 0.92 V threshold (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). (2) Typical numbers are at 25°C and represent the most likely parametric norm. (3) EN 55022:2006, +A1:2007, FCC Part 15 Subpart B: 2007. See AN-2024 and layout for information on device under test. 4 Submit Documentation Feedback Copyright © 2009–2013, Texas Instruments Incorporated Product Folder Links: LMZ14203 |
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Descrição semelhante - LMZ14203_13 |
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