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TPS5430QDDARQ1 Datasheet(PDF) 3 Page - Texas Instruments |
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TPS5430QDDARQ1 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 27 page RECOMMENDED OPERATING CONDITIONS ELECTRICAL CHARACTERISTICS TPS5430-Q1 www.ti.com ................................................................................................................................................... SLVS751C – NOVEMBER 2007 – REVISED JULY 2009 MIN MAX UNIT VIN Input voltage 5.5 36 V TJ Operating junction temperature –40 125 °C TJ = –40°C to 125°C, VIN = 12 V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Supply Voltage (VIN Pin) VSENSE = 2 V, Not switching, 3 4.4 mA PH pin open IQ Quiescent current Shutdown, ENA = 0 V 18 50 µA Undervoltage Lockout (UVLO) Start threshold voltage, UVLO 5.3 5.5 V Hysteresis voltage, UVLO 330 mV Voltage Reference TJ = 25°C 1.202 1.221 1.239 Voltage reference accuracy V IO = 0 A to 3 A 1.196 1.221 1.245 Oscillator Internally set free-running frequency 400 500 600 kHz Minimum controllable on time 150 200 ns Maximum duty cycle 87 89 % Enable (ENA Pin) Start threshold voltage, ENA 1.3 V Stop threshold voltage, ENA 0.5 V Hysteresis voltage, ENA 450 mV Internal slow-start time (0~100%) 5.4 8 10 ms Current Limit Current limit 4 5 7 A Current-limit hiccup time 13 16 21 ms Thermal Shutdown Thermal shutdown trip point 135 162 °C Thermal shutdown hysteresis 14 °C Output MOSFET VIN = 5.5 V 150 rDS(on) High-side power MOSFET switch m Ω 110 230 Copyright © 2007–2009, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): TPS5430-Q1 |
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