LM7818CT Просмотр технического описания (PDF) - International Cmos Technology
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LM7818CT Datasheet PDF : 18 Pages
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Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
(Note 5)
DC Input Voltage
All Devices except
LM7824/LM7824C
LM7824/LM7824C
Internal Power Dissipation (Note 2)
Maximum Junction Temperature
Storage Temperature Range
35V
40V
Internally Limited
150˚C
−65˚C to +150˚C
Lead Temperature (Soldering, 10 sec.)
TO-3 Package (K)
TO-220 Package (T), TO-263
Package (S)
ESD Susceptibility (Note 3)
300˚C
230˚C
2 kV
Operating Conditions (Note 1)
Temperature Range (TA) (Note 2)
LM140A, LM140
LM340A, LM340, LM7805C,
LM7812C, LM7815C, LM7808C
−55˚C to +125˚C
0˚C to +125˚C
LM340A Electrical Characteristics
IOUT = 1A, −55˚C ≤ TJ ≤ +150˚C (LM140A), or 0˚C ≤ TJ ≤ + 125˚C (LM340A) unless otherwise specified (Note 4)
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
∆VO
Output Voltage
Line Regulation
TJ = 25˚C
PD ≤ 15W, 5 mA ≤ IO ≤ 1A
VMIN ≤ VIN ≤ VMAX
IO = 500 mA
∆VIN
TJ = 25˚C
∆VIN
TJ = 25˚C
Over Temperature
4.9 5 5.1 11.75 12 12.25 14.7 15 15.3 V
4.8
5.2 11.5
12.5 14.4
15.6 V
(7.5 ≤ VIN ≤ 20) (14.8 ≤ VIN ≤ 27) (17.9 ≤ VIN ≤ 30) V
10
18
22 mV
(7.5 ≤ VIN ≤ 20) (14.8 ≤ VIN ≤ 27) (17.9 ≤ VIN ≤ 30) V
3 10
4 18
4 22 mV
(7.5 ≤ VIN ≤ 20) (14.5 ≤ VIN ≤ 27) (17.5 ≤ VIN ≤ 30) V
4
9
10 mV
12
30
30 mV
∆VIN
(8 ≤ VIN ≤ 12) (16 ≤ VIN ≤ 22) (20 ≤ VIN ≤ 26) V
∆VO
Load Regulation TJ = 25˚C 5 mA ≤ IO ≤ 1.5A
10 25
12 32
12 35 mV
250 mA ≤ IO ≤ 750
15
19
21 mV
mA
Over Temperature,
25
60
75 mV
5 mA ≤ IO ≤ 1A
IQ
Quiescent
TJ = 25˚C
Current
6
6
6 mA
Over Temperature
6.5
6.5
6.5 mA
∆IQ
Quiescent
5 mA ≤ IO ≤ 1A
Current
0.5
0.5
0.5 mA
Change
TJ = 25˚C, IO = 1A
0.8
0.8
0.8 mA
VMIN ≤ VIN ≤ VMAX
(7.5 ≤ VIN ≤ 20) (14.8 ≤ VIN ≤ 27) (17.9 ≤ VIN ≤ 30) V
IO = 500 mA
0.8
0.8
0.8 mA
VMIN ≤ VIN ≤ VMAX
(8 ≤ VIN ≤ 25) (15 ≤ VIN ≤ 30) (17.9 ≤ VIN ≤ 30) V
VN
Output Noise
TA = 25˚C, 10 Hz ≤ f ≤ 100 kHz
40
75
90
µV
Voltage
Ripple Rejection TJ = 25˚C, f = 120 Hz, IO = 1A
68 80
61 72
60 70
dB
or f = 120 Hz, IO = 500 mA,
68
61
60
dB
Over Temperature,
VMIN ≤ VIN ≤ VMAX
(8 ≤ VIN ≤ 18) (15 ≤ VIN ≤ 25)
(18.5 ≤ VIN ≤
V
28.5)
RO
Dropout Voltage TJ = 25˚C, IO = 1A
Output
f = 1 kHz
2.0
2.0
2.0
V
8
18
19
mΩ
Resistance
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