LP2950_1 Datasheet, PDF (7/14 Pages) First Components International – 150mA Low Drop Out Voltage Regulators

TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
LP2950/LP2951
Load Transient Response
250
200
150
100
50
0
-50
-100
~~
100
mA
10_µ0A
C_L= 1 µF
V_OUT = 5V
01 2 3 4 5
TIME (ms)
Load Transient Response
80
60
40
20
0
-20
-40
-60
~~
100
mA
10_µ0A
C_L= 10 µF
V_OUT = 5V
0 4 8 12 16 20
TIME (ms)
LP2951 Enable Transient
7
6
C_L= 1 µF
5
4
I_L= 10 mA
3
V_IN = 8V
2
C_L= 10 µF
V_OUT = 5V
1
0
2 ^~~
0
-2
-100 0 100 200 300 400 500 600 700
TIME (µs)
Output Impedance
10
5
I_O= 100µA
2
1
I_O= 1 mA
0.5
I_O= 100mA
0.2
0.1
0.05
V_OUT = 5V
C_L= 1 µF
0.02
0.01
10
100 1K 10K 100K 1M
FREQUENCY (Hz)
Ripple Rejection
90
80
70
60
I_L= 0
50
40
C_L= 1 µF
V_IN= 6V
30
V_OUT = 5V
I_L= 100µA
20
10¹ 10² 10³ 10⁴ 10⁵
10⁶
FREQUENCY (Hz)
Ripple Rejection
90
80
70
I_L= 1mA
60
C_L= 1 µF
V_IN= 6V
V_OUT = 5V
50
40
30
I_L= 10mA
20
10¹ 10² 10³ 10⁴ 10⁵
10⁶
FREQUENCY (Hz)
Ripple Rejection
80
I_L= 50mA
70
60 I_L= 100mA
50
40
C_L= 1µF
V_IN= 6V
30
V_OUT= 5V
20
10
10¹ 10² 10³ 10⁴ 10⁵
10⁶
FREQUENCY (Hz)
LP2951 Output Noise
3.5
5V OUTPUT
3.0
I_L= 100mA
2.5
C_L= 1 µF
2.0
1.5
C_L= 220 µF
C_L= 3.3 µF
1.0
0.01 µF
0.5 BYPASS
PIN 1 TO
0.0 ^{PIN 7}
10²
10³
10⁴
10⁵
FREQUENCY (Hz)
LP2951 Divider Resistance
400
300
200
100
0
-75 -50 -25 0 25 50 75 100 125 150
TEMPERATURE (° C)
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