LM7818CT 查看數據表（PDF） - International Cmos Technology
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LM7818CT Datasheet PDF : 18 Pages
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LM140 Electrical Characteristics (Note 4) (Continued)
−55˚C ≤ TJ ≤ +150˚C unless otherwise specified
Output Voltage
5V
Symbol
Input Voltage (unless otherwise noted)
10V
Parameter
Conditions
Min Typ Max
Ripple Rejection
IO ≤ 1A, TJ = 25˚C 68 80
or
f = 120 Hz
IO ≤ 500 mA,
−55˚C ≤ TJ ≤+150˚C
VMIN ≤ VIN ≤ VMAX
68
(8 ≤ VIN ≤ 18)
RO
Dropout Voltage TJ = 25˚C, IO = 1A
Output Resistance f = 1 kHz
Short-Circuit
Current
TJ = 25˚C
Peak Output
Current
TJ = 25˚C
Average TC of
0˚C ≤ TJ ≤ +150˚C, IO = 5 mA
VOUT
VIN
Input Voltage
TJ = 25˚C, IO ≤ 1A
Required to
Maintain
Line Regulation
2.0
8
2.1
2.4
−0.6
7.5
12V
15V
19V
23V Units
Min Typ Max Min Typ Max
61 72
60 70
dB
61
60
dB
(15 ≤ VIN ≤ 25)
2.0
18
1.5
(18.5 ≤ VIN ≤ V
28.5)
2.0
V
19
mΩ
1.2
A
2.4
2.4
A
−1.5
−1.8 mV/˚C
14.6
17.7
V
LM340/LM7800C Electrical Characteristics (Note 4)
0˚C ≤ TJ ≤ +125˚C unless otherwise specified
Output Voltage
5V
12V
15V
Symbol
Input Voltage (unless otherwise noted)
10V
19V
23V
Units
Parameter
Conditions
Min Typ Max Min Typ Max Min Typ Max
VO
Output Voltage
TJ = 25˚C, 5 mA ≤ IO ≤ 1A
PD ≤ 15W, 5 mA ≤ IO ≤ 1A
VMIN ≤ VIN ≤ VMAX
4.8 5 5.2 11.5 12 12.5 14.4 15 15.6 V
4.75
5.25 11.4
12.6 14.25
15.75 V
(7.5 ≤ VIN ≤ 20) (14.5 ≤ VIN ≤ (17.5 ≤ VIN ≤ 30) V
27)
∆VO
Line Regulation
IO = 500 mA TJ = 25˚C
∆VIN
3 50
(7 ≤ VIN ≤ 25)
4 120
4 150 mV
(14.5 ≤ VIN ≤ (17.5 ≤ VIN ≤ 30) V
30)
IO ≤ 1A
0˚C ≤ TJ ≤ +125˚C
∆VIN
TJ = 25˚C
∆VIN
50
120
150 mV
(8 ≤ VIN ≤ 20) (15 ≤ VIN ≤ 27) (18.5 ≤ VIN ≤ 30) V
50
120
150 mV
(7.5 ≤ VIN ≤ 20) (14.6 ≤ VIN ≤ (17.7 ≤ VIN ≤ 30) V
27)
0˚C ≤ TJ ≤ +125˚C
25
60
75 mV
∆VIN
(8 ≤ VIN ≤ 12) (16 ≤ VIN ≤ 22) (20 ≤ VIN ≤ 26) V
∆VO
Load Regulation
TJ = 25˚C 5 mA ≤ IO ≤ 1.5A
10 50
12 120
12 150 mV
250 mA ≤ IO ≤ 750 mA
25
60
75 mV
5 mA ≤ IO ≤ 1A, 0˚C ≤ TJ ≤
50
120
150 mV
+125˚C
IQ
Quiescent Current IO ≤ 1A
TJ = 25˚C
8
8
8 mA
0˚C ≤ TJ ≤ +125˚C
8.5
8.5
8.5 mA
∆IQ
Quiescent Current 5 mA ≤ IO ≤ 1A
0.5
0.5
0.5 mA
Change
TJ = 25˚C, IO ≤ 1A
1.0
1.0
1.0 mA
VMIN ≤ VIN ≤ VMAX
(7.5 ≤ VIN ≤ 20) (14.8 ≤ VIN ≤ (17.9 ≤ VIN ≤ 30) V
27)
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