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TPS71733DRVR Datasheet(PDF) 3 Page - Texas Instruments |
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TPS71733DRVR Datasheet(HTML) 3 Page - Texas Instruments |
3 / 28 page ELECTRICAL CHARACTERISTICS TPS717xx www.ti.com..................................................................................................................................................... SBVS068E – FEBRUARY 2006 – REVISED MAY 2008 Over operating temperature range (TJ = –40°C to +125°C), VIN = VOUT(TYP) + 0.5V or 2.5V, whichever is greater; IOUT = 0.5mA, VEN = VIN, COUT = 1.0µF, CNR = 0.01µF, unless otherwise noted. For TPS71701, VOUT = 2.8V. Typical values are at TJ = +25°C. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VIN Input voltage range(1) 2.5 6.5 V VFB Internal reference (TPS71701) 0.790 0.800 0.810 V VOUT Output voltage range (TPS71701) 0.9 6.5 – VDO V Nominal TJ = +25°C, 1.6V ≤ VIN ≤ 6.5V –0.05 +0.06 % VOUT Output accuracy(1) Over VIN, IOUT, VOUT + 0.5V ≤ VIN ≤ 6.5V –3.0 ±1.5 +3.0 % Temp(2) 0mA ≤ IOUT ≤ 150mA VOUT(NOM) + 0.5V ≤ VIN ≤ 6.5V, ΔVOUT/ ΔVIN Line regulation (1) 125 µV/V IOUT = 5mA ΔVOUT/ ΔIOUT Load regulation 0mA ≤ IOUT ≤ 150mA 120 µV/mA Dropout voltage(3) VDO IOUT = 150mA 170 300 mV (VIN = VOUT(NOM) – 0.1V) ICL (Fixed) Output current limit (fixed output) VOUT = 0.9 × VOUT(NOM) 200 325 500 mA ICL Output current limit (TPS71701) VOUT = 0.9 × VOUT(NOM) 200 325 575 mA (Adjustable) IOUT = 0.1mA 50 80 µA IGND Ground pin current IOUT = 150mA 100 µA VEN ≤ 0.4V, 2.5V ≤ VIN < 4.5V, 0.20 1.5 µA TJ = –40°C to +85°C Shutdown current ISHDN (IGND) VEN ≤ 0.4V, 4.5V ≤ VIN ≤ 6.5V, 0.90 µA TJ = –40°C to +85°C IFB Feedback pin current (TPS71701) 0.02 1.0 µA f = 100Hz 70 dB f = 1kHz 70 dB Power-supply rejection ratio PSRR VIN = 3.8V, VOUT = 2.8V, f = 10kHz 67 dB IOUT = 150mA f = 100kHz 67 dB f = 1MHz 45 dB CNR = none 95 × V OUT µV RMS (fixed output, TPS71701) Output noise voltage BW = 100Hz to 100kHz, CNR = 0.001µF 25 × V OUT µV RMS VN VIN = 3.8V, VOUT = 2.8V, CNR = 0.01µF 12.5 × V OUT µV RMS IOUT = 10mA CNR = 0.1µF 11.5 × V OUT µV RMS Startup time 0.9V ≤ VOUT ≤ 1.6V, CNR = 0.001µF 0.700 ms TSTR VOUT = 90% VOUT(NOM), 1.6V < VOUT < VMAX, CNR = 0.01µF 0.160 ms RL = 19Ω, COUT = 1.0µF VIN ≤ 5.5V 1.2 6.5 V Enable high VEN(HI) (enabled) 5.5V < VIN ≤ 6.5V 1.25 6.5 V VEN(LO) Enable low 0 0.4 V (shutdown) IEN(HI) Enable pin current, enabled EN = 6.5V 0.02 1.0 µA Under-voltage lockout VIN rising 2.41 2.45 2.49 V UVLO Hysteresis VIN falling 150 mV Shutdown, temperature increasing +160 °C TSD Thermal shutdown temperature Reset, temperature decreasing +140 °C TJ Operating junction temperature –40 +125 °C (1) Minimum VIN = VOUT + VDO or 2.5V, whichever is greater. (2) Does not include external resistor tolerances. (3) VDO is not measured for devices with VOUT(NOM) < 2.6V because minimum VIN = 2.5V. Copyright © 2006–2008, Texas Instruments Incorporated Submit Documentation Feedback 3 |
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