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TPS797285DCKR Fiches technique(PDF) 3 Page - Texas Instruments |
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TPS797285DCKR Fiches technique(HTML) 3 Page - Texas Instruments |
3 / 17 page TPS797xx www.ti.com SLVS332H – MARCH 2001 – REVISED APRIL 2012 ELECTRICAL CHARACTERISTICS Over operating temperature range TJ = –40°C to +85°C, VIN = VOUT (typ) +0.5V or 2.0V, whichever is greater; IOUT = 0.5mA, VSET, VEN = VIN, and COUT = 1.0μF, unless otherwise noted. Typical values are at TA = +25°C. TPS797xx PARAMETER TEST CONDITIONS MIN TYP MAX UNIT IOUT = 3mA 1.8 5.5 VIN Input voltage(1) V IOUT = 10mA 2 5.5 IOUT Continuous output current(2) 0 50 mA VOUT + 1V ≤ VIN ≤ 5.5V VOUT Output voltage accuracy(3) –4 4 % 1mA < IOUT < 10mA ΔVOUT% / Line regulation(3) VOUT + 1V ≤ VIN ≤ 5.5V 0.15 %/V ΔVIN ΔVOUT% / Load regulation 1 μA < IOUT < 10mA 5 mV ΔIOUT TPS79730 110 200 Dropout voltage(4), IOUT = 10mA VDO mV VIN = VOUT (NOM) – 0.1V TPS79733 105 200 ISC Output current limit VOUT = 0V 190 300 mA IGND Ground pin current(3) IOUT = 10mA 1.2 2 μA Power-supply rejection ratio f = 100Hz, COUT = 10μF, PSRR 50 dB (ripple rejection) IOUT = 10mA BW = 200kHz to 100kHz, VN Output noise voltage (TPS79718) 600 μVRMS COUT = 10μF, IOUT = 10mA VPG(MIN) Minimum input voltage for valid PG V(PG) ≥ 0.8V, IPG = 100μA 1.2 V VIT PG trip threshold voltage VOUT increasing 90 %/VOUT VIN = 1.4V, IPG = 30μA, IOUT = VPG,LO PG output low voltage 0.14 0.225 V 1mA V(PG) = 5V, VIN = VOUT + 1.0V, IPG,LKG PG leakage current 0.1 nA IOUT = 1mA TJ Operating junction temperature, TJ –40 +85 °C (1) Minimum VIN = VOUT + VDO or the minimum value specified here, whichever is greater. (2) Continuous output current is limited by internal protection circuitry, but it is not recommended that the device operate above this maximum for extended periods of time. (3) Minimum VIN is specified in note (1). (4) VDO is not measured for the TPS79718 because minimum VIN > 1.7V. Copyright © 2001–2012, Texas Instruments Incorporated Submit Documentation Feedback 3 |
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