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LMZ22003 Arkusz danych(PDF) 4 Page - Texas Instruments |
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LMZ22003 Arkusz danych(HTML) 4 Page - Texas Instruments |
4 / 33 page LMZ22003 SNVS658I – MARCH 2011 – REVISED AUGUST 2015 www.ti.com 6.2 ESD Ratings VALUE UNIT V(ESD) Electrostatic discharge Human body model (HBM), per ANSI/ESDA/JEDEC JS-001(1) ±2000 V (1) JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process. 6.3 Recommended Operating Conditions over operating free-air temperature range (unless otherwise noted) MIN MAX UNIT VIN 6 20 V EN, SYNC 0 5 V Operation junction temperature –40 125 °C 6.4 Thermal Information LMZ22003 THERMAL METRIC(1) NDW UNIT 7 PINS 4-layer Evaluation Printed-Circuit-Board, 12.0 60 vias, No air flow Junction-to-ambient thermal RθJA °C/W resistance(2) 2-layer JEDEC Printed-Circuit-Board, 21.5 No air flow Junction-to-case (top) thermal RθJC(top) No air flow 1.9 °C/W resistance (1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report, SPRA953. (2) RθJA measured on a 3.5-in × 3.5-in 4-layer board, with 3-oz. copper on outer layers and 2-oz. copper on inner layers, sixty thermal vias, no air flow, and 1-W power dissipation. Refer to application note layout diagrams. 6.5 Electrical Characteristics 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 = 12 V, VOUT = 3.3 V. PARAMETER TEST CONDITIONS MIN(1) TYP(2) MAX(1) UNIT SYSTEM PARAMETERS ENABLE CONTROL VEN rising, TJ = 25°C 1.279 VEN EN threshold trip point V VEN rising, TJ = –40°C to +125°C 1.1 1.458 VEN-HYS EN input hysteresis current VEN > 1.279 V –21 µA SOFT-START VSS = 0 V, TJ = 25°C 50 ISS SS source current µA VSS = 0 V, TJ = –40°C to +125°C 40 50 60 tSS Internal soft-start interval 1.6 ms CURRENT LIMIT ICL Current limit threshold DC average, TJ = –40°C to +125°C 3.4 A (1) Minimum and Maximum 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. 4 Submit Documentation Feedback Copyright © 2011–2015, Texas Instruments Incorporated Product Folder Links: LMZ22003 |
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