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TPS73218DBVT Datasheet(PDF) 3 Page - Texas Instruments |
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TPS73218DBVT Datasheet(HTML) 3 Page - Texas Instruments |
3 / 23 page www.ti.com ELECTRICAL CHARACTERISTICS TPS732xx SBVS037I – AUGUST 2003 – REVISED MAY 2006 Over operating temperature range (T J = –40°C to +125°C), VIN = VOUT(nom) + 0.5V (1), I OUT = 10mA, VEN = 1.7V, and C OUT = 0.1µF, unless otherwise noted. Typical values are at TJ = 25°C. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VIN Input voltage range(1) 1.7 5.5 V VFB Internal reference (TPS73201) TJ = +25°C 1.198 1.20 1.210 V Output voltage range (TPS73201)(2) VFB 5.5 – VDO V Nominal TJ = +25°C –0.5 +0.5 VOUT Accuracy(1) % VOUT + 0.5V ≤ VIN ≤ 5.5V; VIN, IOUT, and T –1.0 ±0.5 +1.0 10 mA ≤ I OUT ≤ 250mA ∆V OUT%/∆VIN Line regulation(1) VOUT(nom) + 0.5V ≤ VIN ≤ 5.5V 0.01 %/V 1mA ≤ I OUT ≤ 250mA 0.002 ∆V OUT%/∆IOUT Load regulation %/mA 10mA ≤ I OUT ≤ 250mA 0.0005 Dropout voltage(3) VDO IOUT = 250mA 40 150 mV (VIN = VOUT (nom) – 0.1V) ZO(DO) Output impedance in dropout 1.7 V ≤ V IN ≤ VOUT + VDO 0.25 Ω ICL Output current limit VOUT = 0.9 × VOUT(nom) 250 425 600 mA ISC Short-circuit current VOUT = 0V 300 mA VEN ≤ 0.5V, 0V ≤ VIN ≤ VOUT IREV Reverse leakage current(4) (–IIN) 0.1 10 µA –40 °C ≤ T J ≤ +100°C IOUT = 10mA (IQ) 400 550 IGND Ground pin current µA IOUT = 250mA 650 950 ISHDN Shutdown current (IGND) VEN ≤ 0.5V, VOUT ≤ VIN ≤ 5.5 0.02 1 µA IFB FB pin current (TPS73201) 0.1 0.3 µA f = 100Hz, IOUT = 250 mA 58 Power-supply rejection ratio PSRR dB (ripple rejection) f = 10kHz, IOUT = 250 mA 37 COUT = 10µF, No CNR 27 × V OUT Output noise voltage VN µV RMS BW = 10Hz – 100kHz COUT = 10µF, CNR = 0.01µF 8.5 × V OUT VOUT = 3V, RL = 30Ω tSTR Startup time 600 µs COUT = 1 µF, CNR = 0.01 µF VEN(HI) Enable high (enabled) 1.7 VIN V VEN(LO) Enable low (shutdown) 0 0.5 V IEN(HI) Enable pin current (enabled) VEN = 5.5V 0.02 0.1 µA Shutdown Temp increasing +160 TSD Thermal shutdown temperature °C Reset Temp decreasing +140 TJ Operating junction temperature –40 +125 °C (1) Minimum VIN = VOUT + VDO or 1.7V, whichever is greater. (2) TPS73201 is tested at VOUT = 2.5V. (3) VDO is not measured for the TPS73214, TPS73215 or TPS73216 since minimum VIN = 1.7V. (4) Fixed-voltage versions only; refer to Applications section for more information. 3 Submit Documentation Feedback |
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