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參數(shù)資料
| 型號： | LM7912-SMD |
| 英文描述： | Analog IC |
| 中文描述： | 模擬IC |
| 文件頁數(shù)： | 2/2頁 |
| 文件大?。?/td> | 33K |
| 代理商： | LM7912-SMD |
Semelab plc.
Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail:
sales@semelab.co.uk
http://www.semelab.co.ukPrelim. 7/00
Parameter
Test Conditions
Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Min. Typ. Max.Unit
T
j
= 25
°
C
I
O
= 5mA to 1A
P
O
￡
15W
T
j
= 25
°
C
T
j
= 25
°
C
I
O
= 5mA to 1.5A
T
j
= 25
°
C
I
O
= 250 to 750 mA
T
j
= 25
°
C
I
O
= 5mA to 1A
I
O
= 5mA
T
j
= 25
°
C
B = 10Hz to 100kHz
f = 100Hz
D
V
O
= 100mV
T
j
= 25
°
C
I
O
= 1A
D
V
O
= 100mV
T
j
= 25
°
C
V
I
= 35V
T
j
= 25
°
C
Output
Voltage
Line
Regulation
Load
Regulation
Quiescent
Current
Quiescent
Current
Change
Output
Voltage
Drift
Output
Noise
Voltage
Supply
Voltage
Rejection
Dropout
Voltage
Short
Circuit
Current
Short
Circuit Peak
Current
–
4.8
–
5
–
5.2
–
11.5
–
12
–
12.5
–
14.4
–
15
–
15.6
–
23
–
24
–
25
–
4.75
–
5
–
5.25
–
11.4
–
12
–
12.6
–
14.3
–
15
–
15.7
–
22.8
–
24
–
25.2
(V
I
=
–
8 to
–
20V)
(V
I
=
–
15.5 to
–
27V)
100
240
(V
I
=
–
7 to
–
25V)
(V
I
=
–
14.5 to
–
30V)
50
120
(V
I
=
–
8 to
–
12V)
(V
I
=
–
16 to
–
22V)
100
240
(V
I
=
–
18.5 to
–
30V)
(V
I
=
–
27 to
–
38V)
300
480
(V
I
=
–
17.5 to
–
30V)
(V
I
=
–
27 to
–
38V)
150
240
(V
I
=
–
20 to
–
26V)
(V
I
=
–
30 to
–
36V)
300
480
50
120
150
240
2
3
3
3
0.5
0.5
0.5
0.5
1.3
1
1
1
(V
I
=
–
8 to
–
25V)
(V
I
=
–
15 to
–
30V)
(V
I
=
–
18.5 to
–
30V)
(V
I
=
–
27 to
–
38V)
–
0.4
–
0.8
–
0.9
–
1
100
200
250
400
54
60
54
60
54
60
54
60
2
1.1
1.1
1.1
2.1
1.5
1.3
1.1
2.5
2.5
2.2
2.2
INPUT VOLTAGE
(unless otherwise specified)
–
10
–
19
–
23
–
33
–
5
–
12
–
15
–
24
OUTPUT VOLTAGE
ELECTRICAL CHARACTERISTICS
(Tcase= 25
°
C unless stated)
THERMAL DATA
(for TO220M and SMD1)
R
THj-case
R
THj-amb
Thermal Resistance Junction
–
Case
Thermal Resistance Junction
–
Ambient
Max. 3
°
C / W
Max. 50
°
C / W
V
O
D
V
O
D
V
O
I
d
D
I
d
D
V
O
D
T
e
N
SVR
V
d
I
sc
I
scp
V
mV
mV
mA
mA
mV
/
°
C
m
V
dB
V
mA
A
LM7900 - 220M
LM7900 - SMD
SERIES
SERIES
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