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LM53601NQDSXRQ1 Datasheet(PDF) 6 Page - Texas Instruments |
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LM53601NQDSXRQ1 Datasheet(HTML) 6 Page - Texas Instruments |
6 / 44 page 6 LM53600-Q1, LM53601-Q1 SNAS660B – JUNE 2015 – REVISED FEBRUARY 2016 www.ti.com Product Folder Links: LM53600-Q1 LM53601-Q1 Submit Documentation Feedback Copyright © 2015–2016, Texas Instruments Incorporated (1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report (SPRA953). 7.4 Thermal Information THERMAL METRIC(1) LM53600-Q1, LM53601-Q1 UNIT DSX (WSON) 10 PINS RθJA Junction -to-ambient thermal resistance 46.2 °C/W RθJC Junction -to-case (top) thermal resistance 31.5 °C/W RθJB Junction -to-board thermal resistance 20.9 °C/W φJT Junction- to-top characterization parameter 0.3 °C/W φJB Junction-to-board characterization parameter 21.0 °C/W RθJC(bot) Junction-to-case (bottom) thermal resistance 4.1 °C/W 7.5 Electrical Characteristics Limits apply over the recommended operating junction temperature range of –40°C to 150°C, 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 = 13.5 V. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VFB Initial output voltage accuracy Vin= 3.8 V to 36 V Tj=25°C, Open Loop –1% 1% Vin= 3.8 V to 36 V, Open Loop –1.5% 1.5% IQ Operating quiescent current; measured at VIN pin Vin= 13.5 V, Not switching Vbias= 5 V 6.5 µA Vin= 13.5 V, Not switching Vbias= 5 V, Tj= 85°C 16 IB Bias current into BIAS pin for adjustable versions and FB pin for fixed versions Vin= 13.5 V, Not switching Vbias= 5 V, Mode = 0 V 46 80 ISD Shutdown quiescent current; measured at VIN pin EN = 0, VIN = 13.5 V Tj = 25°C 1.8 µA EN = 0, VIN = 13.5 V Tj = 85°C 3 Vin_UVLO Minimum input voltage to operate Rising 3.2 3.6 3.75 V Vin_UVLO _hyst Minimum input voltage hysteresis Hysteresis 0.2 0.3 0.35 V Vreset_OV RESET upper threshold voltage Rising, % of Vout 105% 106.5% 110% Vreset_UV RESET lower threshold voltage Falling, % Vout 92% 94% 97% Vreset_guard Magnitude of RESET lower threshold difference from steady state output voltage Steady state output voltage and RESET threshold read at the same TJ, and VIN 3.9% Vreset_hyst RESET hysteresis as a percent of output voltage set point 1% Vreset_valid Minimum input voltage for proper RESET function 50 µA pull-up to RESET pin, EN = 0 V, Tj = 25°C 1.5 V VOL Low level RESET function output voltage 50 µA pull-up to RESET pin, Vin = 1.5 V, EN = 0 V, Tj = 25°C 0.4 V 0.5mA pull-up to RESET pin, Vin = 13.5 V, EN = 0 V 0.4 1mA pull-up to RESET pin, Vin = 13.5 V, EN = 3.3 V 0.4 |
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