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TPS7A3401 Datasheet(PDF) 5 Page - Texas Instruments |
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TPS7A3401 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 27 page D D V ( I ) OUT OUT V OUT(NOM) D D V ( V ) OUT IN V OUT(NOM) TPS7A3401 www.ti.com SBVS163A – JUNE 2011 – REVISED MAY 2015 6.4 Thermal Information TPS7A3401 THERMAL METRIC(1) DGN (HVSSOP) UNIT 8 PINS RθJA Junction-to-ambient thermal resistance 63.4 °C/W RθJC(top) Junction-to-case(top) thermal resistance 53 °C/W RθJB Junction-to-board thermal resistance 37.4 °C/W ψJT Junction-to-top characterization parameter 3.7 °C/W ψJB Junction-to-board characterization parameter 37.1 °C/W RθJC(bot) Junction-to-case(bottom) thermal resistance 13.5 °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 At TJ = –40°C to 125°C, |VIN| = |VOUT(nom)| + 1 V or |VIN| = 3 V (whichever is greater), VEN = VIN, IOUT = 1 mA, CIN = 2.2 µF, COUT = 2.2 µF, and the FB pin tied to OUT, unless otherwise noted.(1) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VIN Input voltage –20 –3 V VREF Internal reference TJ = 25°C, VFB = VREF –1.202 –1.184 –1.166 V Output voltage(2) |VIN| ≥ |VOUT(nom)| + 1 V –18 VREF V Nominal accuracy TJ = 25°C, |VIN| = |VOUT(nom)| + 0.5 V –1.5 1.5 %VOUT VOUT |VOUT(nom)| + 1 V ≤ |VIN| ≤ 20 V Overall accuracy –2.5 2.5 %VOUT 1 mA ≤ IOUT ≤ 200 mA Line regulation TJ = 25°C, |VOUT(nom)| + 1 V ≤ |VIN| ≤ 20 V 0.14 %VOUT Load regulation TJ = 25°C, 1 mA ≤ IOUT ≤ 200 mA 0.04 %VOUT VIN = 95% VOUT(nom), IOUT = 100 mA 216 mV |VDO| Dropout voltage VIN = 95% VOUT(nom), IOUT = 200 mA 500 800 mV ICL Current limit VOUT = 90% VOUT(nom) 200 330 500 mA IOUT = 0 mA 55 100 μA IGND Ground current IOUT = 100 mA 950 μA VEN = 0.4 V 1 5 μA |ISHDN| Shutdown supply current VEN = –0.4 V 1 5 μA IFB Feedback current(3) 14 100 nA VEN = |VIN| = |VOUT(nom)| + 1 V 0.48 1 μA |IEN| Enable current VIN = VEN = –20 V 0.51 1 μA VIN = –20 V, VEN = 15 V 0.50 1 μA TJ = –40°C to 125°C 2 15 V VEN(+HI) Positive enable high-level voltage TJ = –40°C to 85°C 1.8 15 VEN(+LO) Positive enable low-level voltage 0 0.4 V VEN(–HI) Negative enable high-level voltage VIN –2 V VEN(–LO) Negative enable low-level voltage –0.4 0 V VIN = –3 V, VOUT(nom) = VREF, COUT = 10 μF, Vn Output noise voltage 80 μVRMS BW = 10 Hz to 100 kHz VIN = –6.2 V, VOUT(nom) = –5 V, PSRR Power-supply rejection ratio 50 dB COUT = 10 μF, f = 1 kHz Shutdown, temperature increasing 170 TSD Thermal shutdown temperature °C Reset, temperature decreasing 150 (1) At operating conditions, VIN ≤ 0 V, VOUT(nom) ≤ VREF ≤ 0 V. At regulation, VIN ≤ VOUT(nom) – |VDO|. IOUT > 0 flows from OUT to IN. (2) To ensure stability at no load conditions, a current from the feedback resistive network equal to or greater than 5 μA is required. (3) IFB > 0 flows into the device. Copyright © 2011–2015, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: TPS7A3401 |
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