Datasheet

I
O
t − Time − µs
0 15105 20 25 3530 40 45 50
− Output Current − A
V
I
= 2.8 V
C
o
= 1 µF
C
I
= 1 µF
1
0.5
0
−100
100
0
Output Voltage − mV
V
O
∆
− Change in
160
2
V
O
t − Time − µs
0 604020 80 100 140120 180 200
− Output Voltage − V
V
I
= 2.8 V
I
O
= 1 A
C
o
= 10 µF
Enable Voltage − V
1
1
0
0
1.5
2
3
0.5
t − Time − µs
1
0 100 200 300 400 500 600
− Input Voltage − V
3
700 800 900 1000
5
0
− Output Voltage − VV
O
V
I
4
2
V
O
V
I
R
L
= 1.8 Ω
C
o
= 1 µF
C
i
= 1 µF
0
0.5
1
1.5
2
2.5
3
3.5
10 100 1 k 10 k 100 k
f − Frequency − Hz
I
O
= 1 mA
V
I
= 2.8 V
C
o
= 10 µF
I
O
= 1 A
V/ HzOutput Spectral Noise Density −
µ
50
30
20
0
10 100 1 k 10 k
Ripple Rejection − dB
70
90
f − Frequency − Hz
100
100 k 1 M
80
60
40
10
10 µF / 1mA
10 µF / 1 A
V
I
= 2.8 V,
V
O
= 1.8 V,
C
O
= 10 µF
1000
1100
1200
1300
1400
1500
1600
1700
1800
1900
2000
1.5 2 2.5 3 3.5 4 4.5 5 5.5
T
J
= 25°C
V
I
− Input voltage − V
Current Limit − A
T
J
= −40°C
T
J
= 125°C
0
50
100
150
200
250
300
1.5 2 2.5 3 3.5 4 4.5 5 5.5
V
I
− Input Voltage − V
− Dropout Voltage − mV
V
DO
T
J
= 25°C
T
J
= −40°C
T
J
= 125°C
0
100
200
300
400
500
600
0 1 2 3 4 5 6
I = 0 A
V
I
− Input Voltage − V
Ground Current − Aµ
I = 1 A
TPS72501
TPS72515, TPS72516
TPS72518, TPS72525
SLVS341E –MAY 2002–REVISED JUNE 2010 www.ti.com
TYPICAL CHARACTERISTICS (continued)
TPS72518 OUTPUT VOLTAGE,
ENABLE VOLTAGE
TPS72518 vs TPS72518
LOAD TRASIENT RESPONSE TIME (START-UP) POWER UP/POWER DOWN
Figure 10. Figure 11. Figure 12.
TPS72518 OUTPUT SPECTRAL TPS72518
NOISE DENSITY RIPPLE REJECTION CURRENT LIMIT
vs vs vs
FREQUENCY FREQUENCY INPUT VOLTAGE
Figure 13. Figure 14. Figure 15.
TPS72515 GROUND CURRENT DROPOUT VOLTAGE
vs vs
INPUT VOLTAGE INPUT VOLTAGE
Figure 16. Figure 17.
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Product Folder Link(s): TPS72501 TPS72515 TPS72516 TPS72518 TPS72525