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TPS77027DBVTG4 Datasheet(PDF) 5 Page - Texas Instruments |
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TPS77027DBVTG4 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 24 page TPS77001, TPS77012, TPS77015, TPS77018, TPS77025 TPS77027, TPS77028, TPS77030, TPS77033, TPS77050 ULTRALOW-POWER 50-mA LOW-DROPOUT LINEAR REGULATORS SLVS210D – JUNE 1999 – 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 = 50 mA, EN = 0V, Co = 4.7 µF (unless otherwise noted) (continued) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT FB input current FB = 1.224 V (TPS77001) –1 1 µA 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 f = 1 kHz, CO = 10 µF, TJ = 25°C, See Note 4 60 dB Input current (EN) EN = 0 V –1 0 1 µA Input current (EN) EN = VI –1 1 µA TPS77028 IO = 50 mA, TJ = 25°C 60 TPS77028 IO = 50 mA TJ = –40°C to 125°C 125 TPS77030 IO = 50 mA, TJ = 25°C 57 Dropout voltage (see Note 6) TPS77030 IO = 50 mA TJ = –40°C to 125°C 115 mV Dropout voltage (see Note 6) TPS77033 IO = 50 mA, TJ = 25°C 48 mV TPS77033 IO = 50 mA TJ = –40°C to 125°C 100 TPS77050 IO = 50 mA, TJ = 25°C 35 TPS77050 IO = 50 mA TJ = –40°C to 125°C 85 NOTES: 4. Minimum IN operating voltage is 2.7 V or VO (typ) + 1 V, whichever is greater. Maximum IN voltage 10 V, minimum output current 10 µA, maximum output current 50 mA. 6. IN voltage equals VO(Typ) –100mV; TPS77001 output voltage set to 3.3 V nominal with external resistor divider. TPS77012, TPS77015, TPS77018, TPS77025, and TPS77027 dropout voltage 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 Free-air temperature 4, 5, 6 Ground current vs Free-air temperature 7 Output spectral noise density vs Frequency 8 Zo Output impedance vs Frequency 9 VDO Dropout voltage vs Free-air temperature 10 Ripple rejection vs Frequency 11 LDO startup time 12 Line transient response 13, 15 Load transient response 14, 16 Equivalent series resistance (ESR) vs Output current 17, 19 Equivalent series resistance (ESR) vs Added ceramic capacitance 18, 20 |
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