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| LP2950_07 Datasheet, PDF (5/15 Pages) Sipex Corporation – 100mA Low Dropout Voltage Regulators | |||
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600
IL= 100mA
500
400
300
~~
100
50
IL= 100 µA
0
-75 -50 -25 0 25 50 75 100 125 150
TEMPERATURE (ºC)
Drop-Out Voltage
500
400
300
200
TJ = 25ºC
100
0
100µA
1mA
10mA
OUTPUT CURRENT
Drop-Out Voltage
170
160
150
140
130
120
110
100mA
110
-75 -50 -25 0 25 50 75 100 125 150
TEMPERATURE (ºC)
Short Circuit Current
8
VOUT = 5V
6
4
HYSTERESIS
2
0
PULLUP RESISTOR TO
-2
SEPARATE 5V SUPPLY
0 1 2 3 45
INPUT VOLTAGE (V)
Error Comparator Output
2.5
100
mV
2.0
TA = 125ºC
50
mV
0
1.5
1.0
TA = 25ºC
-50
mV ~~
CL= 1 µF
IL= 1mA
VOUT = 5V
8V
TA = -55ºC
0.5
6V
0.0
4V
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
0 200 400 600 800
OUTPUT LOW VOLTAGE (V)
TIME(µs)
LP2951 Comparator Sink Current
Line Transient Response
10
IO= 100 µA
5
2
IO= 1mA
1
IO= 100mA
0.5
0.2
VOUT = 5V
CL= 1 µF
0.1
0.05
0.02
0.01
10 100 1K 10K 100K 1M
FREQUENCY (Hz)
Output Impedance
90
80
70
IL= 0
60
50
40 CL= 1 µF
30 VIN= 6V
VOUT = 5V
20
IL= 100 µA
10 1 10 2 10 3 10 4 10 5 10 6
FREQUENCY (Hz)
Ripple Rejection
90
80
70 IL = 1mA
60
CL= 1µF
VIN= 6V
VOUT = 5V
50
40
30
20
10 1
IL = 10mA
10 2 10 3 10 4
10 5 10 6
FREQUENCY (Hz)
Ripple Rejection
Mar8-07 Rev E
LP2950-51 Low Dropout Linear Regulator
© 2007 Sipex Corporation
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