TPS79015, TPS79018, TPS79025, TPS79028, TPS79030
ULTRALOW-POWER LOW-NOISE 50-mA
LOW-DROPOUT LINEAR REGULATORS
SLVS299B – SEPTEMBER 2000 – REVISED MAY 2001
recommended operating conditions
MIN NOM
MAX
10
UNIT
V
Input voltage, V (see Note 2)
2.7
0
I
Continuous output current, I (see Note 3)
50
mA
°C
O
Operating junction temperature, T
–40
125
J
NOTES: 2. To calculate the minimum input voltage for your maximum output current, use the following formula:
V (min) = V (max) + V (max load)
I
O
DO
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,
V = V
+ 1 V, I = 1 mA, EN = 0V, C = 4.7 µF (unless otherwise noted)
I
O(typ)
O
o
PARAMETER
TEST CONDITIONS
2.7 V < V < 10 V
MIN
1.455
1.746
2.425
2.716
2.910
TYP
MAX
1.545
1.854
2.575
2.884
3.090
UNIT
T
J
T
J
T
J
T
J
T
J
T
J
T
J
T
J
T
J
T
J
= 25°C,
1.5
I
TPS79015
TPS79018
TPS79025
TPS79028
TPS79030
= –40°C to 125°C, 2.7 V < V < 10 V
I
= 25°C,
= –40°C to 125°C, 2.8 V < V < 10 V
2.8 V < V < 10 V
1.8
2.5
2.8
3
I
I
= 25°C,
= –40°C to 125°C, 3.5 V < V < 10 V
3.5 V < V < 10 V
Output voltage (10 µA to 50 mA load)
I
V
(see Note 4)
I
= 25°C,
3.8 V < V < 10 V
I
= –40°C to 125°C, 3.8 V < V < 10 V
I
= 25°C,
4.0 V < V < 10 V
I
= –40°C to 125°C, 4.0 V < V < 10 V
I
EN = 0 V,
= 25°C
10 µA < I < 50 mA,
O
17
T
J
Quiescent current (GND current) (see Note 4)
Load regulation
µA
EN = 0 V,
= –40°C to 125°C
I
I
= 50 mA,
O
O
28
T
J
EN = 0 V,
= 25°C
= 10 µA to 50 mA,
= 25°C
8
mV
%/V
T
J
V
+ 1 V < V ≤ 10 V,
T
J
0.04
O
O
I
Output voltage line regulation (∆V /V
O
O
)
V
+ 1 V < V ≤ 10 V,
= –40°C to 125°C
I
(see Notes 4 and 5)
0.1
T
J
BW = 300 Hz to 50 kHz,
C
= 0.01 µF,
(byp)
= 25°C
Output noise voltage (TPS79030)
Output current limit
56
µVrms
C
= 10 µF,
I
O
= 50 mA,
T
J
o
V
= 0 V,
See Note 4
2.7 < V < 10 V
350
1
750
2
mA
µA
µA
O
EN = V ,
I
I
Standby current
T
J
= –40°C to 125°C
NOTES: 4. The minimum IN operating voltage is 2.7 V or V (typ) + 1 V, whichever is greater. The maximum IN voltage is 10 V. The minimum
O
output current is 10 µA and the maximum output current is 50 mA.
5. If V ≤ 1.8 V then V
= 2.7 V, V
= 10 V:
Imax
O
Imin
V
V
2.7 V
O
Imax
Line Reg. (mV)
% V
1000
100
If V ≥ 2.5 V then V
= V + 1 V, V
= 10 V:
O
Imin
O
Imax
V
V
V
1 V
O
Imax
O
Line Reg. (mV)
% V
1000
100
4
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