Datasheet

100k10k
PSRR − Power Supply Ripple Rejection − dB
f − Frequency − Hz
70
60
50
40
30
20
10
0
−10
90
80
1k10010
1M
V
O
= 3.3 V
V
I
= 4.3 V
C
O
= 10 µF
I
O
= 1 A
T
A
= 25°C
T
A
− Free-Air Temperature − °C
Ground Current − Aµ
92
84
72
90
88
82
80
78
76
74
86
−40 0−20 100−60 12020 40 60 80 140
V
O
= 3.3 V
V
I
= 4.3 V
I
O
= 500 mA
I
O
= 1 A
I
O
= 1 mA
T
A
− Free-Air Temperature − °C
Ground Current − Aµ
94
86
74
92
90
84
82
80
78
76
88
−40 0−20 100−60 12020 40 60 80 140
I
O
= 500 mA
I
O
= 1 A
I
O
= 1 mA
96
V
O
= 1.8 V
V
I
= 2.8 V
T
A
− Free-Air Temperature − °C
−40 0 20 120
10
3
−60 40 60 80 100
− Dropout Voltage − mV
V
DO
10
2
10
1
10
0
10
−1
10
−2
−20 140
I
O
= 1 A
I
O
= 10 mA
I
O
= 0
V
O
= 3.3 V
C
O
= 10 µF
f − Frequency − kHz
− Output Impedance −Z
o
Ω
10
1
10
2
10
5
10
6
0
10
−1
10
−2
10
4
10
3
I
O
= 1 mA
I
O
= 1 A
V
I
= 4.3 V
C
O
= 10 µF
T
A
= 25°C
f − Frequency − Hz
10
2
10
3
10
4
10
5
10
−5
10
−6
10
−8
10
−7
I
O
= 7 mA
I
O
= 1 A
V
I
= 4.3 V
C
O
= 10 µF
T
A
= 25°C
− Output Spectral Noise Density − V/ HzV
n
t − Time − µs
V
O
− Change in
V
I
− Input Voltage − V
∆
Output Voltage − mV
5.3
604020 80 100 140120 160 180 200
V
O
= 3.3 V
C
L
= 10 µF
T
A
= 25°C
0
4.3
10
0
−10
t − Time − µs
I − Output Current − A
O
V
O
− Change in∆
Output Voltage − mV
V
O
= 1.8 V
V
I
= 2.8 V
C
L
= 100 µF
T
A
= 25°C
1
0.5
0
0 604020 80 100 140120 160 180 200
0
50
100
−50
−100
V
O
− Change in
20
0
3.8
2.8
V
I
t − Time − µs
0 604020 80 100 140120 160 180 200
− Input Voltage − V
∆
Output Voltage − mV
V
O
= 1.8 V
I
L
= 10 mA
C
L
= 10 µF
T
A
= 25°C
−20
TPS767D301-EP
www.ti.com SGLS327A –FEBRUARY 2006–REVISED APRIL 2010
TYPICAL CHARACTERISTICS (continued) (continued)
POWER-SUPPLY RIPPLE
GROUND CURRENT GROUND CURRENT REJECTION
vs vs vs
FREE-AIR TEMPERATURE FREE-AIR TEMPERATURE FREQUENCY
Figure 9. Figure 10. Figure 11.
OUTPUT SPECTRAL NOISE
DENSITY OUTPUT IMPEDANCE DROPOUT VOLTAGE
vs vs vs
FREQUENCY FREQUENCY FREE-AIR TEMPERATURE
Figure 12. Figure 13. Figure 14.
LINE TRANSIENT RESPONSE LOAD TRANSIENT RESPONSE LINE TRANSIENT RESPONSE
Figure 15. Figure 16. Figure 17.
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