Datasheet

3.0
2.8
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
–0.4
0.0
–0.6
–0.2
–0.8
–1.0
0.03
0.02
0.01
0.00
–0.01
R = 500
V = 3.3 V
C = 3 F
L
IN
L
W
µ
I = 6.6 mA
OUT
ON = 1.8 V
t = 90 µs
OFF
ON Input Voltage (V)
Output Current (A)
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
–0.1
0.1
–0.2
0.0
–0.3
–0.4
0.01
0.00
R = 500
V = 1 V
C = 0.1 F
L
IN
L
W
µ
I = 2 mA
OUT
ON = 0.85 V
t = 20 µs
OFF
ON Input Voltage (V)
Output Current (A)
3.0
2.8
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
–0.4
0.0
–0.6
–0.2
–0.8
–1.0
0.03
0.02
ON Input Voltage (V)
Output Current (A)
0.01
0.00
–0.01
R = 500
V = 3.3 V
C = 0.1 F
L
IN
L
W
µ
ON = 1.8 V
I = 6.6 mA
OUT
t = 8 µs
OFF
3.0
2.8
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
–0.4
0.0
–0.6
–0.2
–0.8
–1.0
0.03
0.02
0.01
0.00
–0.01
R = 500
V = 3.3 V
C = 1 F
L
IN
L
W
µ
I = 6.6 mA
OUT
ON = 1.8 V
t = 50 µs
OFF
ON Input Voltage (V)
Output Current (A)
Control Input Voltage (V)
Output Current (A)
Time ( s)µ
–500 0 500 1000 1500 2000 2500 3000 3500 4000 4500
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 = 3.3 F
L
IN
L
W
µ
I
OUT
V
ON
Control Input Voltage (V)
Output Current (A)
Time ( s)µ
–20
0.0
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
0.12
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 = 3.3 F
L
IN
L
W
µ
I
OUT
V
ON
TPS22921, TPS22922, TPS22922B
SLVS749B –NOVEMBER 2008–REVISED MAY 2013 www.ti.com
TYPICAL CHARACTERISTICS (continued)
Figure 29. t
OFF
Response Figure 30. t
OFF
Response
TPS22922
Figure 31. t
OFF
Response Figure 32. t
OFF
Response
Figure 33. t
OFF
Response Figure 34. t
OFF
Response
16 Submit Documentation Feedback Copyright © 2008–2013, Texas Instruments Incorporated
Product Folder Links: TPS22921 TPS22922 TPS22922B