LP2951ACS-L-5-0-TR Exar Corporation, LP2951ACS-L-5-0-TR Datasheet - Page 6

• Manufacturer Part Number: LP2951ACS-L-5-0-TR
• Description: Lp2951 -100ma Low Dropout Voltage Regulators
• Manufacturer: Exar Corporation

042408 Rev F
   
LP2951 Minimum Operating Voltage
Load Transient Response
LP2950 Maxium Rated Output
2.3
2.1
1.9
1.7
120
100
-100
250
200
150
100
100
100
mA
µA
80
60
40
20
-50
-75
50
0
0
0
~ ~
-50 -25
0
T
A
= 85 ºC
5
INPUT VOLTAGE (V)
1
TEMPERATURE
10
0
25 50
TIME (ms)
0.25" LEADS SOLDERED
2
15
TO PC BOARD
TO-92 PACKAGE
V
C
OUT
L
T
= 1 µF
75
JMAX
3
Vout=5V
20
= 5V
= 125 ºC
100 125
T
A
=25 ºC
25
4
LP2950-5 Low Dropout Linear Regulator
150
30
5
Load Transient Response
LP2951 Feedback Bias Current
LP2951 Divider Resistance
400
200
100
300
-10
-20
-30
0
-75
20
10
-60
100
100
0
-20
-40
80
60
40
20
µA
µA
0
-75
~
~
-50 -25
-50
0
-25
TEMPERATURE (ºC)
TEMPEATURE (ºC)
4
0
0
25 50
TIME (ms)
25

8
50 75 100
V
C
OUT
L
= 10 µF
12
75
= 5V
100 125
16
125
150
150
20
LP2950 Maxium Rated Output Current
Enable Transient
LP2951 Feedback Pin Current
120
100
80
60
40
20
0
-100
-150
-200
-250
-50
0
50
-2
0
7
6
5
4
3
2
1
0
2
0
-100 0 100 200 300 400 500 600 700
-2.0
T
A
PIN 7 DRIVEN BY EXTERNAL
SOURCE (REGULATOR RUN
TA=1 25ºC
= 50ºC

5
T
-1.5 -1.0
A
T
= 25ºC
INPUT VOLTAGE (V)
FEEDBACK VOLTAGE (V)
A
10
OPEN LOOP)
= 85ºC
T
A
C
= 55ºC
L
= 10 µF
TIME (us)
15
-0.5
C
L
= 1 µF
DIP SOLDERED
TO PC BOARD
T
JMAX
V
20
MOLDED
© 2008 Exar Corporation
0
I
V
V
OUT
8-PIN
L
IN
OUT
= 10mA
T
= 125º C
= 8V
= 5V
A
= 5V
= 25ºC
0.5
25
1.0
30