LP2950CN-L-5-0 Exar Corporation, LP2950CN-L-5-0 Datasheet - Page 5

• Manufacturer Part Number: LP2950CN-L-5-0
• Description: 100mA Low Dropout Voltage Regulator
• Manufacturer: Exar Corporation

042408 Rev F
   
Drop-Out Voltage
Output Impedance
Error Comparator Output
0.05
0.02
0.01
10
0.5
0.2
0.1
600
500
100
8
6
400
300
5
2
1
4
2
0
-2
50
0
10
-75 -50 -25 0 25 50 75 100 125 150
0
~
~
I
O
I
= 100 µA
O
100
= 1mA
1
INPUT VOLTAGE (V)
SEPARATE 5V SUPPLY
TEMPERATURE (ºC)
PULLUP RESISTOR TO
FREQUENCY (Hz)
HYSTERESIS
1K
2
V
OUT
= 5V
10K
3
I
V
O
C
= 100mA
OUT
L
I
= 1 µF
I
L
L
= 100mA
= 5V
100K
= 100 µA
4
LP2950-5 Low Dropout Linear Regulator
5
1M
Drop-Out Voltage
LP2951 Comparator Sink Current
Ripple Rejection
500
400
300
200
100
40
90
80
70
60
50
30
20
2.5
2.0
1.5
1.0
0.5
0.0
0
10
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
100µA
1
V
C
V
L
OUT
T
IN
= 1 µF
J
= 6V
= 25ºC
OUTPUT LOW VOLTAGE (V)
= 5V
10
2
OUTPUT CURRENT
FREQUENCY (Hz)
1mA
10
5
3
I
10
L
= 0
4
10mA
T
T
T
I
L
A
A
A
= 100 µA
= 125ºC
= -55ºC
= 25ºC
10
5
100mA
10
6
Short Circuit Current
Line Transient Response
Ripple Rejection
170
150
130
110
160
120
110
140
90
80
70
60
50
40
30
20
mV
-75 -50 -25 0 25 50 75 100 125 150
100
mV
50
-50
mV
8V
6V
4V
10
0
1
~ ~
I
L

= 1mA
0
10
2
TEMPERATURE (ºC)
FREQUENCY (Hz)
I
200
L
10
= 10mA
3
TIME(µs)
400
10
4
© 2008 Exar Corporation
C
V
V
V
C
I
L
OUT
IN
L
OUT
= 1µF
L
= 1mA
= 6V
= 1 µF
600
= 5V
10
= 5V
5
800
10
6