Datasheet
Control Input Voltage (V)
Output Current (A)
Time ( s)µ
–20
0 20
40
60 80 100 120 140
160 180
1.20
1.10
1.00
0.90
0.80
0.70
0.60
0.50
0.40
0.30
0.20
0.10
0.00
–0.30
–0.20
–0.10
–0.40
0.006
0.005
0.004
0.003
0.001
0.002
0.000
–0.001
–0.002
R = 500
V = 1 V
C = 0.1 F
L
IN
L
W
µ
I
OUT
V
ON
Control Input Voltage (V)
Output Current (A)
Time ( s)µ
–2.0
0.0
2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0
18.0
1.20
1.10
1.00
0.90
0.80
0.70
0.60
0.50
0.40
0.30
0.20
0.10
0.00
–0.30
–0.20
–0.10
–0.40
0.12
0.11
0.10
0.09
0.08
0.07
0.06
0.02
0.05
0.01
0.04
0.00
–0.01
0.03
–0.03
–0.02
–0.04
R = 10
V = 1 V
C = 0.1 F
L
IN
L
W
µ
I
OUT
V
ON
Control Input Voltage (V)
Output Current (A)
Time ( s)µ
–3.5 –2.0–3.0 –1.0 0.0 1.0 2.0 3.0 4.0 5.0 6.0 6.5
1.20
1.10
1.00
0.90
0.80
0.70
0.60
0.50
0.40
0.30
0.20
0.10
0.00
–0.30
–0.20
–0.10
–0.40
0.012
0.011
0.010
0.009
0.008
0.007
0.006
0.002
0.005
0.001
0.004
0.000
–0.001
0.003
–0.003
–0.002
–0.004
R = 500
V = 3.3 V
C = 3.3 F
L
IN
L
W
µ
I
OUT
V
ON
Control Input Voltage (V)
Output Current (A)
Time ( s)µ
–20
0 20
40
60 80 100 120 140
160 180
1.20
1.10
1.00
0.90
0.80
0.70
0.60
0.50
0.40
0.30
0.20
0.10
0.00
–0.30
–0.20
–0.10
–0.40
0.600
0.550
0.500
0.450
0.400
0.350
0.300
0.100
0.050
0.250
0.200
0.000
–0.050
0.150
–0.150
–0.100
–0.200
R = 10
V = 3.3 V
C = 3.3 F
L
IN
L
W
µ
I
OUT
V
ON
Control Input Voltage (V)
Output Current (A)
Time ( s)µ
–200 0 20 40 60 80 100 120 140 160 180
1.38
1.30
1.20
1.10
1.00
0.90
0.80
0.70
0.60
0.50
0.40
0.30
0.20
0.10
0.00
–0.10
–0.22
0.014
0.013
0.012
0.011
0.010
0.009
0.008
0.007
0.006
0.005
0.004
0.003
0.002
0.001
0.000
–0.001
–0.002
R = 500
V = 3.3 V
C = 0.1 F
L
IN
L
W
µ
I
OUT
V
ON
Control Input Voltage (V)
Output Current (A)
Time ( s)µ
–2.0 0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0
3.50
3.40
3.20
3.00
2.80
2.60
2.40
2.20
2.00
1.80
0.80
1.60
0.60
1.40
0.40
1.20
0.20
1.00
0.00
–0.40
–0.20
–0.50
0.35
0.34
0.32
0.30
0.28
0.26
0.24
0.22
0.20
0.18
0.16
0.06
0.14
0.04
0.12
0.02
0.10
0.00
0.08
–0.04
–0.02
–0.05
R = 10
V = 3.3 V
C = 0.1 F
L
IN
L
W
µ
I
OUT
V
ON
TPS22921, TPS22922, TPS22922B
www.ti.com
SLVS749B –NOVEMBER 2008–REVISED MAY 2013
TYPICAL CHARACTERISTICS (continued)
TPS22921
Figure 23. t
OFF
Response Figure 24. t
OFF
Response
Figure 25. t
OFF
Response Figure 26. t
OFF
Response
Figure 27. t
OFF
Response Figure 28. t
OFF
Response
Copyright © 2008–2013, Texas Instruments Incorporated Submit Documentation Feedback 15
Product Folder Links: TPS22921 TPS22922 TPS22922B