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LMZ14201 Datasheet(PDF) 4 Page - Texas Instruments |
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LMZ14201 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 29 page LMZ14201 SNVS649I – JANUARY 2010 – REVISED OCTOBER 2015 www.ti.com 6.3 Recommended Operating Conditions over operating free-air temperature range (unless otherwise noted) (1) MIN MAX UNIT VIN 6 42 V EN 0 6.5 V Operation Junction Temperature −40 125 °C (1) Absolute Maximum Ratings are limits beyond which damage to the device may occur. Recommended 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. 6.4 Thermal Information LMZ14201 THERMAL METRIC(1) NDW (TO-PMOD) UNIT 7 PINS 4 layer JEDEC Printed Circuit Board, 100 vias, No air flow 19.3 Junction-to-ambient RθJA °C/W thermal resistance 2 layer JEDEC Printed Circuit Board, No air flow 21.5 RθJC(top) Junction-to-case (top) thermal resistance 1.9 °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 Limits are for TJ = 25°C only unless otherwise noted. 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 = 24 V, Vout = 3.3 V PARAMETER TEST CONDITIONS MIN(1) TYP(2) MAX(1) UNIT SYSTEM PARAMETERS ENABLE CONTROL(3) VEN EN threshold trip point VEN rising 1.18 V over the junction temperature 1.10 1.25 (TJ) range of –40°C to +125°C VEN-HYS EN threshold hysteresis VEN falling 90 mV SOFT-START ISS SS source current VSS = 0 V 8 µA over the junction temperature 5 11 (TJ) range of –40°C to +125°C ISS-DIS SS discharge current -200 µA CURRENT LIMIT ICL Current limit threshold DC average 1.95 A over the junction temperature 1.4 3 (TJ) range of –40°C to +125°C ON/OFF TIMER tON-MIN ON timer minimum pulse 150 ns width tOFF OFF timer pulse width 260 ns (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 © 2010–2015, Texas Instruments Incorporated Product Folder Links: LMZ14201 |
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