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LM2940 Datasheet(PDF) 8 Page - Unisonic Technologies

Part # LM2940
Description  1A LOW-DROPOUT POSITIVE VOLTAGE REGULATOR
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

LM2940 Datasheet(HTML) 8 Page - Unisonic Technologies

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LM2940
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
8 of 11
www.unisonic.com.tw
QW-R102-016.E
TYPICAL CHARACTERISTICS (Cont.)
-10
10
-10
Time (μS)
Line Transient Response
20
-30
-20
0
3V
030
40
0V
10
20
30
1
100
Ripple Rejection vs. Frequency
1K
45
55
35
10
10K 100K
65
75
85
95
Frequency (Hz)
1.0
3.0
Low Voltage Behavior
4.0
2.0
2.0
5.0
6.0
1.0
3.0
4.0
5.0
Input Voltage (V)
04
6
2
28
10
0
4
6
Input Voltage (V)
12
14
8
10
12
14
50
60
-10
10
-0.4
Load Transient Response
20
1.0
-0.5
-0.3
0.5
030
40
0
-0.2
-0.1
0.5
0.1
0.2
0.3
0.4
0
VIN=10V
VoUT=5 V
COUT=22μF
1M
VIN=10V
VoUT=5 V
COUT=22μF
IoUT=10mA
IoUT=1A
VoUT=5 V
TJ=25℃
Low Voltage Behavior
IoUT=1A
VoUT=8 V
06
3
39
12
0
6
Input Voltage (V)
15
18
9
12
15
18
Low Voltage Behavior
IoUT=1A
VoUT=9 V
Time (μS)
TJ=25℃
TJ=25℃
TJ=25℃


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