LM2940
LINEAR INTEGRATED CIRCUIT
TYPICAL CHARACTERISTICS (Cont.)
Line Transient Response
Load Transient Response
30
20
10
0
0.5
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
VIN=10V
VoUT=5 V
COUT=22μF
TJ=25°С
-10
-20
-30
1.0
3V
0V
0.5
0
-10
50 60
0
10
20
30 40
0
10
20
30
40
-10
Time (μS)
Time (μS)
Ripple Rejection vs. Frequency
Low Voltage Behavior
95
85
5.0
VIN=10V
IoUT=1A
VoUT=5 V
TJ=25°С
VoUT=5 V
COUT=22μF
IoUT=10mA
4.0
3.0
75
65
55
2.0
1.0
45
35
1K
10K 100K 1M
10
100
1
6.0
1.0
2.0
3.0
4.0
5.0
Frequency (Hz)
Input Voltage (V)
Low Voltage Behavior
IoUT=1A
VoUT=9 V
TJ=25°С
Low Voltage Behavior
18
15
14
12
10
8
IoUT=1A
VoUT=8 V
TJ=25°С
12
9
6
6
3
0
4
2
0
8
0
3
15
0
2
4
6
10 12
14
6
9
12
Input Voltage (V)
18
Input Voltage (V)
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