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TPS7A3001DRBR Datasheet(PDF) 7 Page - Texas Instruments |
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TPS7A3001DRBR Datasheet(HTML) 7 Page - Texas Instruments |
7 / 40 page D D V ( I ) OUT OUT V OUT(NOM) D D V ( V ) OUT IN V OUT(NOM) TPS7A30 www.ti.com SBVS125D – AUGUST 2010 – REVISED JUNE 2015 6.5 Electrical Characteristics (1) 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, CNR/SS = 0 nF, and the FB pin tied to OUT, unless otherwise noted. Typical values are at TA = 25°C. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VIN Input voltage –35 –3 V VREF Internal reference(2) TJ = 25°C, VNR/SS = VREF –1.202 –1.179 –1.166 V VFB Feedback voltage –1.176 V Output voltage range(3) |VIN| ≥ |VOUT(nom)| + 1 V –33 VREF V Nominal accuracy TJ = 25°C, |VIN| = |VOUT(nom)| + 0.5 V –1.5 1.5 %VOUT VOUT |VOUT(nom)| + 1 V ≤ |VIN| ≤ 35 V Overall accuracy –2.5 2.5 %VOUT 1 mA ≤ IOUT ≤ 200 mA Line regulation TJ = 25°C, |VOUT(nom)| + 1 V ≤ |VIN| ≤ 35 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 325 600 mV ICL Current limit VOUT = 90% VOUT(nom) 220 330 500 mA IOUT = 0 mA 55 100 μA IGND Ground current IOUT = 100 mA 950 μA VEN = 0.4 V 1 3 μA |ISHDN| Shutdown supply current VEN = –0.4 V 1 3 μA IFB Feedback current(4) 14 100 nA VEN = |VIN| = |VOUT(nom)| + 1 V 0.48 1 μA |IEN| Enable current VIN = VEN = –35 V 0.51 1 μA VIN = –21 V, VEN = 15 V 0.5 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 V 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, 15.1 μVRMS CNR/SS = 10 nF, BW = 10 Hz to 100 kHz Vn Output noise voltage VIN = –6.2 V, VOUT(nom) = –5 V, COUT = 10 μF, CNR/SS = CFF (5) = 10 nF, 17.5 μVRMS BW = 10 Hz to 100 kHz VIN = –6.2 V, VOUT(nom) = –5 V, COUT = 10 μF, PSRR Power-supply rejection ratio 72 dB CNR/SS = CFF (5) = 10 nF, f = 120 Hz Shutdown, temperature increasing 170 °C TSD Thermal shutdown temperature Reset, temperature decreasing 150 °C Operating junction temperature TJ –40 125 °C range (1) At operating conditions, VIN ≤ 0 V, VOUT(nom) ≤ VREF ≤ 0 V. At regulation, VIN ≤ VOUT(nom) – |VDO|. IOUT > 0 V flows from OUT to IN. (2) VREF is measured at the NR/SS pin. (3) To ensure stability at no load conditions, a current from the feedback resistive network equal to or greater than 5 μA is required. (4) IFB > 0 V flows into the device. (5) CFF refers to a feed-forward capacitor connected to the FB and OUT pins. Copyright © 2010–2015, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: TPS7A30 |
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