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TPS73718DCQRG4 Fiches technique(PDF) 7 Page - Texas Instruments |
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TPS73718DCQRG4 Fiches technique(HTML) 7 Page - Texas Instruments |
7 / 38 page TPS737 www.ti.com SBVS067Q – JANUARY 2006 – REVISED MAY 2015 6.5 Electrical Characteristics Over operating temperature range (TJ = –40°C to 125°C), VIN = VOUT(nom) + 1 V (1), I OUT = 10 mA, VEN = 2.2 V, and 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 Internal reference TJ = 25°C 1.198 1.204 1.21 (DCQ package) VFB V Internal reference TJ = 25°C 1.192 1.204 1.216 (DRB and DRV packages) Output voltage range VFB 5.5 – VDO V (TPS73701)(3) Nominal TJ = 25°C –1 1 5.36 V < VIN < 5.5 V, VOUT = 5.08 V, VOUT 10 mA < IOUT < 800 mA, –2 2 Accuracy(1),(4) V –40°C < TJ < 85°C, TPS73701 (DCQ) Over VIN, IOUT, VOUT + 0.5 V ≤ VIN ≤ 5.5 V; –3 ±0.5% 3 and T 10 mA ≤ IOUT ≤ 1 A ΔVOUT(ΔVIN) Line regulation(1) VOUT(nom) + 0.5 V ≤ VIN ≤ 5.5 V 0.01 %/V 1 mA ≤ IOUT ≤ 1 A 0.002 ΔVOUT(ΔIOUT) Load regulation %/mA 10 mA ≤ IOUT ≤ 1 A 0.0005 Dropout voltage(5) VDO IOUT = 1 A 130 500 mV (VIN = VOUT(nom) – 0.1 V) ZOUT(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 IOS 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 400 IGND GND pin current μA IOUT = 1 A 1300 ISHDN Shutdown current [IGND] VEN ≤ 0.5 V, VOUT ≤ VIN ≤ 5.5 20 nA IFB FB pin current (TPS73701) 0.1 0.6 μA f = 100 Hz, IOUT = 1 A 58 Power-supply rejection ratio PSRR dB (ripple rejection) f = 10 kHz, IOUT = 1 A 37 Output noise voltage Vn COUT = 10 μF 27 × VOUT μVRMS BW = 10 Hz to 100 kHz VOUT = 3 V, RL = 30 Ω, COUT = 1 tSTR Start-up time 600 μs μF 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 2.2 V, whichever is greater. (2) For VOUT(nom) < 1.6 V, when VIN ≤ 1.6V, the output locks to VIN and may result in an over-voltage 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; refer to the Application Information section for more information. Copyright © 2006–2015, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: TPS737 |
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