78L18 查看數據表（PDF） - Contek Microelectronics
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78L18 Datasheet PDF : 7 Pages
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78LXX
LINEAR INTEGRATED CIRCUIT
TYPICAL PERFORMANCE CHARACTERISTICS
Fig.1 Ambient temperature vs.
Power dissipation
500
TO-92
400
300
SOT-89
200
100
25
50
75
100
Ambient Temperature( C)
Fig.2 Conte 78L05 Output Voltage
vs.Ambient temperature
Fig.3 Contek78L12 Power
dissipation vs. Ambient
temperature
5.2
5.1
5.0
4.9
4.8
-50
0
50
100
Ambient Temperature( C)
12.1
12.0
11.9
11.8
11.7
-50
0
50
100
Ambient Temperature( C)
Fig.4 Output Characteristics
(Ip=0mA,Tj=25 C)
25
20
Contek78L24
15
10
Contek78L12
Fig.5 Contek78L05 Dropout
Characteristics
(Tj=25 C)
5
Io=0mIoA=4I0om=1A00mA
4.5
Fig.6 Short Circuit output current
(Tj=25 C)
500
400
300
200
5
Contek78L05
0
0
10
20
30
40
Input Voltage(V)
4.1
6.0
6.5
7.0
Input Voltage(V)
100
0
10
20
30
40
input-outputVoltage difference(V)
Fig.7 Contek78L12/24 quiescent
current vs output current
(Tj=25 C)
Fig.8 Contek78L05 Quiescent
Current vs. Input Voltage
(Io=0mA,Tj=25 C)
Fig.9 Peak output current
vs Dropout voltage difference
2.7
2.6
2.5
2.4
2.3
2.2
2.1
2.0
1.9
0
Contek78L24
Contek78L12
20
40
60
80 100
Output Current (mA)
4
3
2
1
0
0
10
20
30
40
Input Voltage(V)
400
300
200
(Tj=0 )
(Tj=25 )
100
(Tj=150 )
0
10
20
30
40
Input-output voltage difference(V)
Contek Microelectronics Co.,Ltd.
7
CONTEK
http://www.contek-ic.com E-mail:sales@contek-ic.com
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