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I
O
= 150 mA
I
O
= 10 mA
V
I
= 2.8 V
C
o
= 1 µF
T
J
− Junction Temperature − °C
− Dropout Voltage − mV
V
DO
0
50
100
150
200
250
−40−25−10 5 20 35 50 65 80 95 110 125
V
O
t − Time − µs
0 15010050 200 200 350300 400 450 500
− Output Voltage − V
V
I
= 2.8 V
V
O
= 1.8 V
I
O
= 150 mA
C
o
= 1 µF
Enable Voltage − V
1
2
1
0
2
3
V
EN
V
O
0
0
10
20
30
40
50
60
70
1 10 100 1 k 10 k 100 k 1 M
Power Supply Ripple Rejection − dB
f − Frequency − Hz
V
I
= 2.8 V
C
o
= 1 µF
I
O
= 150 mA
Power Up / Power Down − V
V
I
V
O
C
o
= 1 µF
C
i
= 1 µF
R
L
= 12 Ω
0
1
2
3
4
5
6
t − Time − ms
0 302010 40 50 7060 80 90 100
V
I
t − Time − ms
0 0.30.20.1 0.4 0.5 0.70.6 0.8 0.9 1
− Input Voltage − VV
O
− Output Voltage −V
0
-1
2.8
1
3.8
I
O
= 150 mA
C
o
= 1 µF
dV
I
dt

0.4 V
µs
V
I
V
O
0.2
t − Time − ms
0
0 0.30.1 0.4 0.5 0.70.6 0.8 0.9
100
0
−100
V
O
Output Voltage − mV
∆
− Change In
50
1
− Output Current − mA
I
O
V
I
= 2.8 V
C
o
= 1 µF
100
150
dI
O
dt

0.1A
µs
0
50
100
150
200
250
1.8 2.5 3.3 4 4.8 5.5
V
I
− Input Voltage − V
− Dropout Voltage − mV
V
DO
T
J
= 25°C
T
J
= −40°C
T
J
= 125°C
I
O
= 150 mA
DC Dropout Voltage − mV
I
O
− Output Current − mA
T
J
= 125°C
T
J
= 25°C
T
J
= −40°C
0
50
100
150
200
250
0
15 30 45 60 75 90 105 120 135 150
1
1.5
2
2.5
3
3.5
4
4.5
5
5.5
1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
T
J
= 25°C
I
O
= 150 mA
− Minimum Required Input Voltage − V
V
O
− Output Voltage − V
V
I
T
J
= 125°C
T
J
= −40°C
TPS72101 , , TPS72115
TPS72116 , TPS72118
SLVS352C – DECEMBER 2001 – REVISED MARCH 2006
TYPICAL CHARACTERISTICS (continued)
TPS72118 TPS72118 TPS72118
DROPOUT VOLTAGE POWER SUPPLY RIPPLE OUTPUT VOLTAGE, ENABLE
vs REJECTION VOLTAGE
JUNCTION TEMPERATURE vs vs
FREQUENCY TIME (START-UP)
Figure 9. Figure 10. Figure 11.
TPS72118 TPS72118 POWER UP / POWER DOWN
LINE TRANSIENT RESPONSE LOAD TRANSIENT RESPONSE
Figure 12. Figure 13. Figure 14.
DC DROPOUT VOLTAGE TPS72101 MINIMUM REQUIRED INPUT
vs DROPOUT VOLTAGE VOLTAGE
OUTPUT CURRENT vs vs
INPUT VOLTAGE OUTPUT VOLTAGE
Figure 15. Figure 16. Figure 17.
6
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