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TPS79325DBVRG4 Datasheet(PDF) 3 Page - Texas Instruments |
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TPS79325DBVRG4 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 20 page www.ti.com ELECTRICAL CHARACTERISTICS TPS793xx SLVS348K – JULY 2001 – REVISED OCTOBER 2007 Over recommended operating temperature range TJ = –40°C to +125°C, VEN = VIN, VIN = VOUT(nom) + 1V (1), I OUT = 1mA, COUT = 10μF, CNR = 0.01μF (unless otherwise noted). Typical values are at +25°C. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VIN Input voltage (1) 2.7 5.5 V IOUT Continuous output current 0 200 mA VFB Internal reference (TPS79301) 1.201 1.225 1.250 V Output voltage range (TPS79301) VFB 5.5 – VDO V TPS79318 0 μA < IOUT < 200mA, 2.8V < VIN < 5.5V 1.764 1.8 1.836 V TPS79325 0 μA < IOUT < 200mA, 3.5V < VIN < 5.5V 2.45 2.5 2.55 V TPS79328 0 μA < IOUT < 200mA, 3.8V < VIN < 5.5V 2.744 2.8 2.856 V Output voltage TPS793285 0 μA < IOUT < 200mA, 3.85V < VIN < 5.5V 2.793 2.85 2.907 V TPS79330 0 μA < IOUT < 200mA, 4V < VIN < 5.5V 2.94 3 3.06 V TPS79333 0 μA ≤ IOUT < 200mA, 4.3V < VIN < 5.5V 3.234 3.3 3.366 V TPS793475 0 μA < IOUT < 200mA, 5.25V < VIN < 5.5V 4.655 4.75 4.845 V Line regulation ( ΔVOUT%/ΔVIN) (1) VOUT + 1V < VIN ≤ 5.5V 0.05 0.12 %/V Load regulation ( ΔVOUT%/ΔIOUT) 0 μA < IOUT < 200mA, TJ = +25°C 5 mV TPS79328 IOUT = 200mA 120 200 TPS793285 IOUT = 200mA 120 200 Dropout voltage(2) TPS79330 IOUT = 200mA 112 200 mV (VIN = VOUT(nom) – 0.1V) TPS79333 IOUT = 200mA 102 180 TPS793475 IOUT = 200mA 77 125 Output current limit VOUT = 0V 285 600 mA GND pin current 0 μA < IOUT < 200mA 170 220 μA Shutdown current(3) VEN = 0V, 2.7V < VIN < 5.5V 0.07 1 μA FB pin current VFB = 1.8V 1 μA f = 100Hz, TJ = +25°C, IOUT = 10mA 70 f = 100Hz, TJ = +25°C, IOUT = 200mA 68 Power-supply ripple rejection TPS79328 dB f = 10kHz, TJ = +25°C, IOUT = 200mA 70 f = 100kHz, TJ = +25°C, IOUT = 200mA 43 CNR = 0.001μF 55 CNR = 0.0047μF 36 BW = 200Hz to 100kHz, Output noise voltage (TPS79328) μVRMS IOUT = 200mA CNR = 0.01μF 33 CNR = 0.1μF 32 CNR = 0.001μF 50 Time, start-up (TPS79328) RL = 14Ω, COUT = 1μF CNR = 0.0047μF 70 μs CNR = 0.01μF 100 High level enable input voltage 2.7V < VIN < 5.5V 1.7 VIN V Low level enable input voltage 2.7V < VIN < 5.5V 0 0.7 V EN pin current VEN = 0V –1 1 μA UVLO threshold VCC rising 2.25 2.65 V UVLO hysteresis 100 mV (1) Minimum VIN is 2.7V or VOUT + VDO, whichever is greater. (2) Dropout is not measured for the TPS79318 and TPS79325 since minimum VIN = 2.7V. (3) For adjustable versions, this parameter applies only after VIN is applied; then VEN transitions high to low. Copyright © 2001–2007, Texas Instruments Incorporated Submit Documentation Feedback 3 |
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