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TPS7A4701MRGWREP Fiches technique(PDF) 6 Page - Texas Instruments |
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TPS7A4701MRGWREP Fiches technique(HTML) 6 Page - Texas Instruments |
6 / 27 page 6 TPS7A4701-EP SLVSDQ3 – FEBRUARY 2017 www.ti.com Product Folder Links: TPS7A4701-EP Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated 6.5 Electrical Characteristics At –55°C ≤ TJ ≤ 125°C; VI = VO(nom) + 1 V or VI = 3 V (whichever is greater); VEN = VI; IO = 0 mA; CIN = 10 µF; COUT = 10 µF; CNR = 10 nF; SENSE/FB tied to OUT; and 0P1V, 0P2V, 0P4V, 0P8V, 1P6V, 3P2V, 6P4V1, 6P4V2 pins OPEN, unless otherwise noted. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VI Input voltage range 3 35 V VUVLO Under-voltage lockout threshold VI rising 2.67 V VI falling 2.5 V(REF) Reference voltage V(REF) = V(FB) 1.4 V VUVLO(HYS) Under-voltage lockout hysteresis 177 mV VNR Noise reduction pin voltage Using ANY-OUT option VOUT V Using adjustable option 1.4 VO Output voltage range VI ≥ VO(nom) + 1 V or 3 V (whichever is greater), COUT = 20 µF Using ANY- OUT option 1.4 20.5 V Using adjustable option 1.4 34 Nominal accuracy TJ = 25°C, COUT = 20 µF –1 1 %VO Overall accuracy VO(nom) + 1 V ≤ VI ≤ 35 V, 0 mA ≤ IO ≤ 1 A, COUT = 20 µF –3.5 3.5 ΔVO(ΔVI) Line regulation VO(nom) + 1 V ≤ VI ≤ 35 V 0.092 %VO ΔVO(ΔIO) Load regulation 0 mA ≤ IO ≤ 1 A 0.3 %VO V(DO) Dropout voltage VI = 95% VO(nom), IO = 0.5 A 216 mV VI = 95% VO(nom), IO = 1 A 307 450 I(CL) Current limit VO = 90% VO(nom) 1 1.26 A I(GND) Ground pin current IO = 0 mA 0.58 1 mA IO = 1 A 6.1 I(EN) Enable pin current VEN = VI 0.78 2 µA VI = VEN = 35 V 0.81 2 I(SHDN) Shutdown supply current VEN = 0.4 V 2.55 8 µA VEN = 0.4 V, VI = 35 V 3.04 60 V+EN(HI) Enable high-level voltage 2 VI V V+EN(LO) Enable low-level voltage 0 0.4 V I(FB) Feedback pin current 350 nA PSRR Power-supply rejection ratio VI = 16 V, VO(nom) = 15 V, COUT = 50 µF, IO = 500 mA, CNR = 1 µF, f = 1 kHz 78 dB Vn Output noise voltage VI = 3 V, VO(nom) = 1.4 V, COUT = 50 µF, CNR = 1 µF, BW = 10 Hz to 100 kHz 4.17 µVRMS VIN = 6 V, VO(nom) = 5 V, COUT = 50 µF, CNR = 1 µF, BW = 10 Hz to 100 kHz 4.67 Tsd Thermal shutdown temperature Shutdown, temperature increasing 170 °C Reset, temperature decreasing 150 TJ Operating junction temperature –55 125 °C |
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