Datasheet

−40−25−10 5 20 35 50 65 80 95 110 125
V
IN
= 2.9 V
C
OUT
= 10 µF
I
OUT
= 500 mA
T
J
(°C)
25
50
75
100
125
150
175
0
V
DO
(mV)
0
10
20
30
40
50
0.001
0.0047
0.01 0.1
C
NR
(µF)
I
OUT
= 500 mA
C
OUT
= 10 µF
BW = 100 Hz to 100 kHz
RMS − Root Mean Squared Output Noise − µV
RMS
0
10
20
30
40
50
60
70
80
1 10 100 1 k 10 k 100 k 1 M 10 M
Ripple Rejection − dB
I
OUT
= 1 mA
V
IN
= 4 V
C
OUT
= 10 µF
C
NR
= 0.1 µF
I
OUT
= 500 mA
Frequency (Hz)
0
10
20
30
40
50
60
70
80
1 10 100 1 k 10 k 100 k 1 M 10 M
Ripple Rejection − dB
V
IN
= 4 V
C
OUT
= 2.2 µF
C
NR
= 0.01 µF
I
OUT
= 1 mA
I
OUT
= 500 mA
Frequency (Hz)
Ripple Rejection − dB
0
10
20
30
40
50
60
70
80
1 10 100 1 k 10 k 100 k 1 M 10 M
I
OUT
= 500 mA
I
OUT
= 1 mA
V
IN
= 4 V
C
OUT
= 2.2 µF
C
NR
= 0.1 µF
Frequency (Hz)
0
10
20
30
40
50
60
70
80
1 10 100 1 k 10 k 100 k 1 M 10 M
Ripple Rejection − dB
V
IN
= 4 V
C
OUT
= 10 µF
C
NR
= 0.01 µF
I
OUT
= 1 mA
I
OUT
= 500 mA
Frequency (Hz)
3
4
5
0 50 100 150 200
−10
0
10
20
30
t (µs)
C
OUT
= 10 µF, C
NR
= 0.01 µF,
I
OUT
= 0.5 A, dv/dt = 1 V/µs
−20
V
OUT
(mV)
V
IN
(V)
0
0.25
0.50
0.75
1
1.25
1.50
1.75
2
2.75
3
0
100 200 300 400 600
Enable
t (µs)
V
IN
= 4 V
C
OUT
= 10 µF
I
OUT
= 0.5 A
C
NR
= 0.01 µF
C
NR
= 0.001 µF
C
NR
= 0.0047 µF
500
V
IN
(V)
2.25
2.50
2
3
4
0 50 100 150 200
−20
−10
0
10
20
t (µs)
C
OUT
= 10 µF, C
NR
= 0.01 µF,
I
OUT
= 0.5 A, dv/dt = 1 V/µs
V
IN
(V) V
OUT
(mV)
TPS795xx
www.ti.com SLVS350H –OCTOBER 2002–REVISED AUGUST 2010
TYPICAL CHARACTERISTICS (continued)
TPS79530
TPS79530 TPS79530
ROOT MEAN SQUARED
DROPOUT VOLTAGE RIPPLE REJECTION
OUTPUT NOISE
vs vs vs
C
NR
JUNCTION TEMPERATURE FREQUENCY
Figure 7. Figure 8. Figure 9.
TPS79530 TPS79530 TPS79530
RIPPLE REJECTION RIPPLE REJECTION RIPPLE REJECTION
vs vs vs
FREQUENCY FREQUENCY FREQUENCY
Figure 10. Figure 11. Figure 12.
TPS79530 TPS79518 TPS79530
START-UP TIME LINE TRANSIENT RESPONSE LINE TRANSIENT RESPONSE
Figure 13. Figure 14. Figure 15.
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