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TPS78928 Datasheet(PDF) 4 Page - Texas Instruments

No. de pieza TPS78928
Descripción Electrónicos  ULTRALOW-POWER LOW-NOISE 100-mA LOW-DROPOUT LINEAR REGULATORS
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TPS78928 Datasheet(HTML) 4 Page - Texas Instruments

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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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