Datasheet

0
200
400
600
800
1000
1200
1400
−50 −25 0 25 50 75 100 125
150
Ground Current − C
0 mA
Temperature − °C
150 mA
50 mA
10 mA
1 mA
V
O
= 3.3 V
C
byp
= 10 nF
3.22
3.24
3.26
3.28
3.3
3.32
3.34
3.36
3.38
3.4
Output Voltage − V
−250
−200
−150
−100
−50
0
50
100
150
200
Load Current − mA
20 µs/div"
V
O
= 3.3 V
C
byp
= 10 nF
∆I
L
= 100 mA
I
L
V
O
3.22
3.24
3.26
3.28
3.3
3.32
3.34
3.36
3.38
3.4
−250
−200
−150
−100
−50
0
50
100
150
200
Output Voltage − V
Load Current − mA
I
L
V
O
V
O
= 3.3 V
C
byp
= 0 nF
∆I
L
= 150 mA
20 µs/div"
Output Voltage − V
Load Current − mA
3.22
3.24
3.26
3.28
3.3
3.32
3.34
3.36
3.38
3.4
−250
−200
−150
−100
−50
0
50
100
150
200
V
O
= 3.3 V
C
byp
= 10 nF
∆I
L
= 150 mA
I
L
V
O
20 µs/div"
LP2985
www.ti.com SLVS522N –JULY 2004– REVISED JUNE 2011
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)
GROUND-PIN CURRENT
vs
TEMPERATURE LOAD TRANSIENT RESPONSE
Figure 18. Figure 19.
LOAD TRANSIENT RESPONSE LOAD TRANSIENT RESPONSE
Figure 20. Figure 21.
Copyright © 2004–2011, Texas Instruments Incorporated 11