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TPS73733QDRBRQ1 Fiches technique(PDF) 3 Page - Texas Instruments |
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TPS73733QDRBRQ1 Fiches technique(HTML) 3 Page - Texas Instruments |
3 / 19 page ELECTRICAL CHARACTERISTICS TPS73719-Q1 TPS73733-Q1 www.ti.com ........................................................................................................................................................................................... SBVS123 – DECEMBER 2008 over operating temperature range (TJ = –40°C to 125°C), VIN = (VOUT(nom) + 1.0 V) (1), I OUT = 10 mA, VEN = 2.2 V, COUT = 2.2 µF (unless otherwise noted). Typical values are at TJ = 25°C. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VIN Input voltage range(1),(2) 2.2 5.5 V VFB Internal reference (TPS73701) TJ = 25°C 1.192 1.2 1.216 V Output voltage range (TPS73701)(3) VFB 5.5 – VDO V Nominal TJ = 25°C –1.0 +1.0 5.36 V < VIN < 5.5 V, VOUT = 5.08 V, 10 mA < IOUT < 800 mA, –2.0 +2.0 VOUT Accuracy(1),(4) –40°C < TJ < 85°C, TPS73701 % Over VIN, VOUT + 0.5 V ≤ VIN ≤ 5.5 V, IOUT, and –3.0 ±0.5 +3.0 10 mA ≤ IOUT ≤ 1 A temperature ΔVOUT%/ Line regulation(1) VOUT(nom) + 0.5 V ≤ VIN ≤ 5.5 V 0.01 %/V ΔVIN 1 mA ≤ IOUT ≤ 1 A 0.002 ΔVOUT%/ Load regulation %/mA ΔIOUT 10 mA ≤ IOUT ≤ 1 A 0.0005 Dropout voltage(5) VDO IOUT = 1 A 130 500 mV (VIN = VOUT(nom) – 0.1 V) ZO(DO) Output impedance in dropout 2.2 V ≤ VIN ≤ VOUT + VDO 0.25 Ω ICL Output current limit VOUT = 0.9 × VOUT(nom) 1.05 1.6 2.2 A ISC Short-circuit current VOUT = 0 V 450 mA IREV Reverse leakage current(6) (–IIN) VEN ≤ 0.5 V, 0 V ≤ VIN ≤ VOUT 0.1 µA IOUT = 10 mA (IQ) 400 IGND GND pin current µA IOUT = 1 A 1300 ISHDN Shutdown current (IGND) VEN ≤ 0.5 V, VOUT ≤ VIN ≤ 5.5 V 20 nA IFB FB pin current (TPS73701) 0.1 0.6 µA f = 100 Hz, IOUT = 1 A 58 Power-supply rejection ratio (ripple PSRR dB rejection) f = 10 kHz, IOUT = 1 A 37 Output noise voltage VN COUT = 10 µF 27 × VOUT µV RMS BW = 10 Hz to 100 kHz tSTR Startup time VOUT = 3 V, RL = 30 Ω, COUT = 1 µF 600 µs VEN(HI) EN pin high (enabled) 1.7 VIN V VEN(LO) EN pin low (shutdown) 0 0.5 V IEN(HI) EN pin current (enabled) VEN = 5.5 V 20 nA Shutdown, temperature increasing 160 TSD Thermal shutdown temperature °C Reset, temperature decreasing 140 TJ Operating junction temperature –40 125 °C (1) Minimum VIN = VOUT + VDO or 2.2V, whichever is greater. (2) For VOUT(nom) < 1.6 V, when VIN ≤ 1.6 V, the output will lock to VIN and may result in an overvoltage condition on the output. To avoid this situation, disable the device before powering down VIN. (3) TPS73701 is tested at VOUT = 1.2 V. (4) Tolerance of external resistors not included in this specification. (5) VDO is not measured for fixed output versions with VOUT(nom) < 2.3 V, because minimum VIN = 2.2 V. (6) Fixed-voltage versions only; see the Applications section for more information. Copyright © 2008, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s) :TPS73733-Q1 |
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