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TPS78928 Datasheet(PDF) 4 Page - Texas Instruments |
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TPS78928 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 16 page TPS78915, TPS78918, TPS78925, TPS78928, TPS78930 ULTRALOW-POWER LOW-NOISE 100-mA LOW-DROPOUT LINEAR REGULATORS SLVS300A – SEPTEMBER 2000 – REVISED MAY 2001 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions MIN NOM MAX UNIT Input voltage, VI (see Note 2) 2.7 10 V Continuous output current, IO (see Note 3) 0 100 mA Operating junction temperature, TJ –40 125 °C NOTES: 2. To calculate the minimum input voltage for your maximum output current, use the following formula: VI(min) = VO(max) + VDO (max load) 3. Continuous output current and operating junction temperature are limited by internal protection circuitry, but it is not recommended that the device operate under conditions beyond those specified in this table for extended periods of time. electrical characteristics over recommended operating free-air temperature range, VI = VO(typ) + 1 V, IO = 1 mA, EN = 0 V, Co = 4.7 µF (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT TPS78915 TJ = 25°C, 2.7 V < VI < 10 V 1.5 TPS78915 TJ = –40°C to 125°C, 2.7 V < VI < 10 V 1.455 1.545 TPS78918 TJ = 25°C, 2.8 V < VI < 10 V 1.8 TPS78918 TJ = –40°C to 125°C, 2.8 V < VI < 10 V 1.746 1.854 Output voltage (see Note 4) TPS78925 TJ = 25°C, 3.5 V < VI < 10 V 2.5 V Output voltage (see Note 4) TPS78925 TJ = –40°C to 125°C, 3.5 V < VI < 10 V 2.425 2.575 V TPS78928 TJ = 25°C, 3.8 V < VI < 10 V 2.8 TPS78928 TJ = –40°C to 125°C, 3.8 V < VI < 10 V 2.716 2.884 TPS78930 TJ = 25°C, 4.0 V < VI < 10 V 3 TPS78930 TJ = –40°C to 125°C, 4.0 V < VI < 10 V 2.910 3.090 Quiescent current (GND current) (see Notes 4 and 5) EN = 0 V, 10 µA < IO < 100 mA, TJ = 25°C 17 µA Quiescent current (GND current) (see Notes 4 and 5) EN = 0 V, IO = 100 mA, TJ = –40°C to 125°C 28 µA Load regulation EN = 0 V, IO = See Note 4 TJ = 25°C 12 mV Output voltage line regulation ( ∆VO/VO) (see Note 5) VO + 1 V < VI ≤ 10 V, TJ = 25°C, See Note 4 0.04 %/V Output voltage line regulation ( ∆VO/VO) (see Note 5) VO + 1 V < VI ≤ 10 V, TJ = –40°C to 125°C, See Note 4 0.1 %/V Output noise voltage (TPS78930) BW = 300 Hz to 50 kHz, C(byp) = 0.01 µF Co = 10 µF, IO = 100 mA, TJ = 25°C 56 µVRMS Output current limit VO = 0 V, See Note 4 350 750 mA Standby current EN = VI, 2.7 < VI < 10 V 1 µA Standby current TJ = –40°C to 125°C 2 µA NOTES: 4. The minimum IN operating voltage is 2.7 V or VO(typ) + 1 V, whichever is greater. The maximum IN voltage is 10 V. The minimum output current is 10 µA and the maximum output current is 100 mA. 5. If VO ≤ 1.8 V then VImin = 2.7 V, VImax = 10 V: Line Reg. (mV) + % V V O V Imax * 2.7 V 100 1000 If VO ≥ 2.5 V then VImin = VO + 1 V, VImax = 10 V: Line Reg. (mV) + % V V O V Imax * V O ) 1V 100 1000 |
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