Datasheet

0.1
1
10
100
1000
1 10 100 1000
C
SS
(nF)
Softstart Delay (ms)
0%V
OUT
to 90%V
OUT
50− resistor from OUT to GND
V
OUT(TARGET)
= 3.3 V
400mV, 800mV, 1.6V pins to GND
50mV, 100mV, 200mV pins open
G308
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
V
IN
V
OUT
(C
SS
=0F)
V
EN
V
OUT
(C
SS
=10nF)
V
OUT
(C
SS
=100nF)
V
OUT
(C
SS
=1µF)
Time (5 ms/div)
Voltage (V)
V
OUT(TARGET)
= 3.3 V
50− resistor from OUT to GND
G306
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
V
IN
V
OUT
(C
SS
=0F)
V
EN
V
OUT
(C
SS
=10nF)
V
OUT
(C
SS
=100nF)
V
OUT
(C
SS
=1µF)
Time (50 ms/div)
Voltage (V)
V
OUT(TARGET)
= 3.3 V
50− resistor from OUT to GND
G307
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
V
IN
V
OUT
V
EN
Time (1 ms/div)
Voltage (V)
50− resistor from OUT to GND
V
OUT(TARGET)
= 3.3 V
400mV, 800mV, 1.6V pins to GND
50mV, 100mV, 200mV pins open
G304
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
V
IN
V
OUT
V
EN
Time (1 ms/div)
Voltage (V)
50− resistor from OUT to GND
V
OUT(TARGET)
= 3.3 V
400mV, 800mV, 1.6V pins to GND
50mV, 100mV, 200mV pins open
G305
TPS7A7100
SBVS189E MARCH 2012REVISED SEPTEMBER 2013
www.ti.com
TYPICAL CHARACTERISTICS (continued)
At T
J
= +25°C, V
IN
= V
OUT(TARGET)
+ 0.3 V, I
OUT
= 25 mA, V
(EN)
= V
IN
, C
IN
= 10 μF, C
OUT
= 10 μF, C
(SS)
= 10 nF, and the PG pin
pulled up to V
IN
with 100-kΩ pull-up resistor, unless otherwise noted.
EN PULSE ON RESPONSE EN PULSE OFF RESPONSE
(Over Stable V
IN
) (Over Stable V
IN
)
Figure 29. Figure 30.
SOFT-START DELAY vs C
SS
(Enlarged View) SOFT-START DELAY vs C
SS
(Reduced View)
Figure 31. Figure 32.
SOFT-START DELAY vs C
SS
Figure 33.
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