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TPS73733DCQRG4 Datasheet(PDF) 4 Page - Texas Instruments |
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TPS73733DCQRG4 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 31 page TPS737xx SBVS067O – JANUARY 2006 – REVISED JUNE 2012 www.ti.com ELECTRICAL CHARACTERISTICS Over operating temperature range (TJ = –40°C to +125°C), VIN = VOUT(nom) + 1.0V (1), I OUT = 10mA, VEN = 2.2V, and COUT = 2.2μF, unless otherwise noted. Typical values are at TJ = +25°C. TPS737xx 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 1.2 1.210 (DCQ package) VFB V Internal reference TJ = +25°C 1.192 1.2 1.216 (DRB and DRV packages) Output voltage range VFB 5.5 – VDO V (TPS73701)(3) Nominal TJ = +25°C –1.0 +1.0 5.36V < VIN < 5.5V, VOUT = 5.08V, VOUT Accuracy(1) , 10mA < IOUT < 800mA, –2.0 +2.0 % (4) –40C < TJ < +85°C, TPS73701DCQ over VIN, IOUT, VOUT + 0.5V ≤ VIN ≤ 5.5V; –3.0 ±0.5 +3.0 and T 10mA ≤ IOUT ≤ 1A ΔVOUT%/ΔVIN Line regulation(1) VOUT(nom) + 0.5V ≤ VIN ≤ 5.5V 0.01 %/V 1mA ≤ IOUT ≤ 1A 0.002 ΔVOUT%/ΔIOUT Load regulation %/mA 10mA ≤ IOUT ≤ 1A 0.0005 Dropout voltage(5) VDO IOUT = 1A 130 500 mV (VIN = VOUT(nom) – 0.1V) ZO(DO) Output impedance in dropout 2.2V ≤ 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 = 0V 450 mA IREV Reverse leakage current(6) (–IIN) VEN ≤ 0.5V, 0V ≤ VIN ≤ VOUT 0.1 μA IOUT = 10mA (IQ) 400 IGND GND pin current μA IOUT = 1A 1300 ISHDN Shutdown current (IGND) VEN ≤ 0.5V, VOUT ≤ VIN ≤ 5.5 20 nA IFB FB pin current (TPS73701) 0.1 0.6 μA f = 100Hz, IOUT = 1A 58 Power-supply rejection ratio PSRR dB (ripple rejection) f = 10kHz, IOUT = 1A 37 Output noise voltage VN COUT = 10μF 27 × VOUT μVRMS BW = 10Hz to 100kHz tSTR Startup time VOUT = 3V, RL = 30Ω, COUT = 1μF 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 = 5.5V 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) < 1.6V, when VIN ≤ 1.6V, the output will lock 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 = 1.2V. (4) Tolerance of external resistors not included in this specification. (5) VDO is not measured for fixed output versions with VOUT(nom) < 2.3V since minimum VIN = 2.2V. (6) Fixed-voltage versions only; refer to the Applications section for more information. 4 Submit Documentation Feedback Copyright © 2006–2012, Texas Instruments Incorporated |
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