Datasheet

-40 -20 0 20 40 60 80 100 125
JUNCTION TEMPERATURE (
o
C)
0
0.5
1
1.5
2
2.5
3
DC LOAD REGULATION (mV/A)
ERROR THRESHOLD (% of V
OUT
)
JUNCTION TEMPERATURE (
o
C)
-40 -20 0 20 40 60 80 100 125
0
2
4
6
8
10
12
14
1.8 2.3 2.8 3.3 3.8 4.3 5.0
OUTPUT VOLTAGE (V)
0
1
2
3
4
5
6
GROUND PIN CURRENT (mA)_
SHUTDOWN I
Q
(PA)
TEMPERATURE (
o
C)
-40 -20 0 20 40 60 80 100 125
0.001
0.01
0.1
1
10
4.4
4.45
4.5
4.55
4.6
4.65
4.7
4.75
4.8
4.85
4.9
OUTPUT LOAD CURRENT (A)
GROUND PIN CURRENT (mA)
125
o
C
25
o
C
-40
o
C
0
0.5 1 1.5 2 2.5 3
0 1 2
LOAD CURRENT (A)
3
DROPOUT VOLTAGE (mV)
0
400
800
1200
200
600
1000
25
o
C
-40
o
C
125
o
C
LP3873, LP3876
SNVS220E –NOVEMBER 2002–REVISED APRIL 2013 www.ti.com
Typical Performance Characteristics
Unless otherwise specified: T
J
= 25°C, C
OUT
= 10µF, C
IN
= 10µF, S/D pin is tied to V
IN
, V
OUT
= 2.5V, V
IN
= V
O(NOM)
+ 1V, I
L
=
10mA
Ground Current
Dropout Voltage vs
Vs Output Load Current
Output Load Current V
OUT
= 5V
Figure 3. Figure 4.
Ground Current
vs Shutdown I
Q
Output Voltage vs
I
L
= 3A Junction Temperature
Figure 5. Figure 6.
Error Flag Threshold DC Load Reg.
vs vs
Junction Temperature Junction Temperature
Figure 7. Figure 8.
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