Datasheet

 
 
SLVS399A − JANUARY 2002 − REVISED MAY 2006
13
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PARAMETER MEASUREMENT INFORMATION
Figure 7. Switch Turnon Inrush Current With
Different Load Capacitance
C
L(SW_OUT)
= 120 µF
C
L(SW_OUT)
= 600 µF
C
L(SW_OUT)
= 10 µF
t − Time − 5 ms/div
V
I (SW_EN)
5 V/div
I
I (SW_IN)
0.1 A/div
Figure 8. Switch Short-Circuit Current, With
Switch Enabled Into a Short Circuit
t − Time − 1 ms/div
V
I (SW_EN)
5 V/div
I
I (SW_IN)
50 m A/div
Figure 9. LDO Turnon Delay and Rise Time With 4.7
µF Load (LDO_OUT Shorted With LDO_PLDN)
SW_EN = 5 V
SW_EN = 0 V
t − Time − 200 µs/div
V
I (LDO_EN)
5 V/div
V
O (LDO_OUT)
1 V/div
V
O (LDO_OUT)
1 V/div
Figure 10. LDO Turnoff Delay and Fall Time With
4.7 µF Load (LDO_OUT Shorted With LDO_PLDN)
SW_EN = 5 V
SW_EN = 0 V
t − Time − 1 ms/div
V
I (LDO_EN)
5 V/div
V
O (LDO_OUT)
1 V/div
V
O (LDO_OUT)
1 V/div