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TPS799285DDCTG4 Datasheet(PDF) 6 Page - Texas Instruments |
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TPS799285DDCTG4 Datasheet(HTML) 6 Page - Texas Instruments |
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6 / 41 page  TPS799 SBVS056K – JANUARY 2005 – REVISED JANUARY 2015 www.ti.com 6.5 Electrical Characteristics Over operating temperature range (TJ = –40°C to 125°C), VIN = VOUT(nom) + 0.3 V or 2.7 V, whichever is greater; IOUT = 1 mA, VEN = VIN, COUT = 2.2 μF, CNR = 0.01 μF, unless otherwise noted. For TPS79901, VOUT = 3.0 V. Typical values are at TJ = 25°C. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VIN Input voltage range(1) 2.7 6.5 V VFB Internal reference (TPS79901) 1.169 1.193 1.217 V VOUT Output voltage range (TPS79901) VFB 6.5 – VDO V Output accuracy, nominal TJ = 25°C –1% 1% VOUT Output accuracy(1) VOUT + 0.3 V ≤ VIN ≤ 6.5 V –2% ±1% 2% Over VIN, IOUT, temperature 500 μA ≤ IOUT ≤ 200 mA ΔVO(ΔVI) Line regulation(1) VOUT(NOM) + 0.3 V ≤ VIN ≤ 6.5 V 0.02 %/V ΔVO(ΔIO) Load regulation 500 μA ≤ IOUT ≤ 200 mA 0.002 %/mA VOUT(nom) ≤ 3.3 V 100 175 mV Dropout voltage(2) VDO IOUT = 200 mA (VIN = VOUT(nom) – 0.1 V) VOUT(nom) ≥ 3.3 V 90 160 mV ICL Output current limit VOUT = 0.9 × VOUT(nom) 220 400 600 mA IGND Ground pin current 500 μA ≤ IOUT ≤ 200 mA 40 60 μA ISHDN Shutdown current (IGND) VEN ≤ 0.4 V, 2.7 V ≤ VIN ≤ 6.5 V 0.15 1 μA IFB Feedback pin current (TPS79901) –0.5 0.5 µA f = 100 Hz 70 dB VIN = 3.85 V, f = 1 kHz 66 dB VOUT = 2.85 V, PSRR Power-supply rejection ratio CNR = 0.01 μF, f = 10 kHz 51 dB IOUT = 100 mA f = 100 kHz 38 dB CNR = 0.01 μF 10.5 × VOUT μVRMS BW = 10 Hz to 100 kHz, Vn Output noise voltage VOUT = 2.85 V CNR = none 94 × VOUT μVRMS CNR = 0.001 μF 45 μs VOUT = 2.85 V, CNR = 0.047 μF 45 μs Start-up time RL = 14 Ω, CNR = 0.01 μF 50 μs COUT = 2.2 μF CNR = none 50 μs VEN(HI) Enable high (enabled) 1.2 VIN V VEN(LO) Enable low (shutdown) 0 0.4 V IEN(HI) Enable pin current, enabled VEN = VIN = 6.5 V 0.03 1 μA Shutdown, temperature increasing 165 °C Tsd Thermal shutdown temperature Reset, temperature decreasing 145 °C TJ Operating junction temperature –40 125 °C Undervoltage lockout VIN rising 1.90 2.20 2.65 V UVLO Hysteresis VIN falling 70 mV (1) Minimum VIN = VOUT + VDO or 2.7 V, whichever is greater. (2) VDO is not measured for devices with VOUT(nom) < 2.8 V because minimum VIN = 2.7 V. 6 Submit Documentation Feedback Copyright © 2005–2015, Texas Instruments Incorporated Product Folder Links: TPS799 |
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