Datasheet

200 µs/Div
4.0
3.5
2.5
0.5
0
3.0
1.0
1.5
2.0
500 mV/Div
3210 4 5 6 7 8 9 10
V
OUT
= 2.5 V
R
L
= 10 Ω
C
NR
= 0.01 µF
V
IN
V
OUT
0
50
100
150
200
250
300
350
0 100 200 300 400 500 600 700 800 9001000
V
DO
(mV)
I
OUT
(mA)
T
J
= 125°C
T
J
= −40°C
T
J
= 25°C
0
50
100
150
200
250
300
2.5 3.0 3.5 4.0 4.5 5.0
V
DO
(mV)
V
IN
(V)
T
J
= 125°C
T
J
= −40°C
T
J
= 25°C
I
OUT
= 1 A
C
OUT
= 10 µF
C
NR
= 0.01 µF
0
20
V
IN
(V)
t (µs)
5
4
2
−20
−40
3
40
6040200 80 100 120 140 160 180 200
I
OUT
= 1 A
C
OUT
= 10 µF
C
NR
= 0.01 µF
dv
dt
+
1 V
ms
∆V
OUT
(mV)
t (µs)
6
5
3
−20
−40
4
0
20
40
6040200 80 100 120 140 160 180 200
I
OUT
= 1 A
C
OUT
= 10 µF
C
NR
= 0.01 µF
dv
dt
+
1 V
ms
V
IN
(V)∆V
OUT
(mV)
t (µs)
2
1
−1
−75
−150
0
0
75
150
3002001000 400 500 600 700 800 900 1000
V
IN
= 3.8 V
C
OUT
= 10 µF
C
NR
= 0.01 µF
di
dt
+
1 A
ms
I
OUT
(A)∆V
OUT
(mV)
0
10
20
30
40
50
60
70
80
Frequency (Hz)
1 10k 10M1k
Ripple Rejection − dB
I
OUT
= 1 mA
I
OUT
= 1 A
V
IN
= 4 V
C
OUT
= 10 µF
C
NR
= 0.1 µF
10 100 100k 1M
0
10
20
30
40
50
60
70
80
Frequency (Hz)
1 10k 10M1k
Ripple Rejection − dB
I
OUT
= 1 mA
I
OUT
= 1 A
V
IN
= 4 V
C
OUT
= 2.2 µF
C
NR
= 0.01 µF
10 100 100k 1M
0
0.25
0.50
0.75
1
1.25
1.50
1.75
2
2.25
2.50
2.75
3
0 100 200 300 400 500 600
t (ms)
V
IN
= 4 V,
C
OUT
= 10 µF,
I
OUT
= 1.0 A
Enable
C
NR
=
0.01 µF
C
NR
=
0.001 µF
C
NR
=
0.0047 µF
V
OUT
(V)
TPS796
www.ti.com SLVS351O –SEPTEMBER 2002 –REVISED NOVEMBER 2013
TYPICAL CHARACTERISTICS (continued)
TPS79630 TPS79630
RIPPLE REJECTION RIPPLE REJECTION
vs vs
FREQUENCY FREQUENCY START-UP TIME
Figure 10. Figure 11. Figure 12.
TPS79618 TPS79630 TPS79628
LINE TRANSIENT RESPONSE LINE TRANSIENT RESPONSE LOAD TRANSIENT RESPONSE
Figure 13. Figure 14. Figure 15.
TPS79630 TPS79601
TPS79625 DROPOUT VOLTAGE DROPOUT VOLTAGE
vs vs
POWER UP/POWER DOWN OUTPUT CURRENT INPUT VOLTAGE
Figure 16. Figure 17. Figure 18.
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