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TPS79018DBVT Datasheet(PDF) 5 Page - Texas Instruments |
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TPS79018DBVT Datasheet(HTML) 5 Page - Texas Instruments |
5 / 20 page TPS79015, TPS79018, TPS79025, TPS79028, TPS79030 ULTRALOW-POWER LOW-NOISE 50-mA LOW-DROPOUT LINEAR REGULATORS SLVS299B – SEPTEMBER 2000 – REVISED MAY 2001 5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free–air temperature range, VI = VO(typ) + 1 V, IO = 1 mA, EN = 0V, Co = 4.7 µF (unless otherwise noted) (continued) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT High level enable input voltage 2.7 V < VI < 10 V 1.7 V Low level enable input voltage 2.7 V < VI < 10 V 0.9 V Power supply ripple rejection (TPS79030) f = 1 kHz, Co = 10 µF, TJ = 25°C, C(byp) = 0.01 µF 85 dB Input current (EN) EN = 0 V –1 0 1 µA Input current (EN) EN = VI –1 1 µA Dropout voltage (see Note 6) TPS79028 IO = 50 mA, TJ = 25°C 60 Dropout voltage (see Note 6) TPS79028 IO = 50 mA, TJ = –40°C to 125°C 125 mV Dropout voltage (see Note 6) TPS79030 IO = 50 mA, TJ = 25°C 57 mV Dropout voltage (see Note 6) TPS79030 IO = 50 mA, TJ = –40°C to 125°C 115 6. IN voltage equals VO(typ) –100 mV; The TPS79030 output voltage is set to 2.9 V. The TPS79015, TPS79018, and TPS79025 dropout voltage is limited by input voltage range limitations. TYPICAL CHARACTERISTICS Table of Graphs FIGURE VO Output voltage vs Output current 1, 2, 3 VO Output voltage vs Junction temperature 4, 5, 6 Ground current vs Junction temperature 7 Output spectral noise density vs Frequency 8 – 10 Root mean squared output noise vs Bypass capacitance 11 Zo Output impedance vs Frequency 12 VDO Dropout voltage vs Junction temperature 13 Ripple rejection vs Frequency 14 – 16 VO Output voltage, enable voltage vs Time (start-up) 17 – 19 Line transient response 20, 22 Load transient response 21, 23 Equivalent series resistance (ESR) vs Output current 24, 25 |
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