Datasheet

3.27
3.29
3.31
3.33
3.35
3.37
3.39
3.41
2
2.5
3
3.5
4
4.5
5
5.5
V
I
V
O
Output Voltage − V
Input Voltage − V
20 µs/div"
V
O
= 3.3 V
C
byp
= 0 nF
I
O
= 150 mA
Output Voltage − V
3.27
3.29
3.31
3.33
3.35
3.37
3.39
3.41
2
2.5
3
3.5
4
4.5
5
5.5
V
O
= 3.3 V
C
byp
= 10 nF
I
O
= 150 mA
Input Voltage − V
V
I
V
O
20 µs/div"
3.27
3.29
3.31
3.33
3.35
3.37
3.39
3.41
2
2.5
3
3.5
4
4.5
5
5.5
Output Voltage − V
V
O
= 3.3 V
C
byp
= 10 nF
I
O
= 1 mA
Input Voltage − V
V
IN
V
O
100 µs/div"
Output Voltage − V
3.27
3.29
3.31
3.33
3.35
3.37
3.39
3.41
2
2.5
3
3.5
4
4.5
5
5.5
V
O
= 3.3 V
C
byp
= 0 nF
I
O
= 1 mA
Input Voltage − V
V
I
V
O
20 µs/div"
LP2985
SLVS522N –JULY 2004–REVISED JUNE 2011 www.ti.com
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
C
IN
= 1 μF, C
OUT
= 4.7 μF, V
IN
= V
OUT(NOM)
+ 1 V, T
A
= 25°C, ON/OFF pin tied to V
IN
(unless otherwise specified)
LINE TRANSIENT RESPONSE LINE TRANSIENT RESPONSE
Figure 22. Figure 23.
LINE TRANSIENT RESPONSE LINE TRANSIENT RESPONSE
Figure 24. Figure 25.
12 Copyright © 2004–2011, Texas Instruments Incorporated