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SI7812

Description
3-Terminal Positive Voltage Regulator
File Size482KB，7 Pages
ManufacturerSECOS
Websitehttp://www.secosgmbh.com/
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3-Terminal Positive Voltage Regulator

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SI78XX
Elektronische Bauelemente
3-Terminal
Positive Voltage Regulator
TO-251
Description
The SI78XX series of fixed-voltage monolithic intergrated-
circuit voltage regulators designed for a wide range of
applications. These applications include on-card regulation
for elimination of noise and distribution problems associated
with single-point regulation. Each of these regulators can
deliver up to 1A of output current. The internal current limiting
and thermal shutdown features of there trgulators make
them essentially immune to overload.
Features
*5V,6V,8V,9V,10V,12V,15V,18V,24V Output Voltage Available
*Output Transistor Safe-Area Compensation
*No External Components
*Internal Thermal Overload Protection
*Internal Short-Circuit Current Limiting
*High Power Dissipation Capability
REF.
A
B
C
D
E
F
Millimeter
Min.
Max.
6.40
6.80
5.20
5.50
6.80
7.20
7.20
7.80
2.30 REF.
0.60
0.90
REF.
G
H
J
K
L
M
Millimeter
Min.
Max.
0.50
0.70
2.20
2.40
0.45
0.60
0.45
0.60
0.90
1.50
5.40
5.80
Absolute Maximum Ratings
Parameter
Input Voltage
Output Current
Operating Junction And Storage Temperature Range
Thermal Resistance Junction-Air
Thermal Resistance Junction-Cases
SI7805~18
SI7824
Symbol
V
IN
V
IN
I
O
Tj, Tstg
Rθ
JA
Rθ
JC
Ratings
35
40
1
-55~+150
125
12.5
Unit
V
V
A
o
C
o
W/
C
o
W/
C
Electrical Characteristics
SI7805
(Refer to the test circuits,Tj=0~125 C, I
O
=500mA, V
IN
=10V, C
IN
=0.33uF, C
O
=0.1uF unless otherwise specified)
Symbol
Test Condition
Min.
Typ.
Unit
Max.
V
O
A-Rank
(3%)
B-Rank
(5%)
V
O
(Line Regulation)
o
4.85
4.75
_
_
_
_
_
5
3
1
V
O
(Load Regulation)
I
Q
I
Q
V
N
RR
V
D
I
SC
I
PK
V
O
/ Tj
http://www.SeCoSGmbH.com/
_
_
_
_
_
_
_
_
_
_
_
_
_
_
5.15
5.25
50
25
100
50
8
0.5
1.3
_
_
_
V
mV
mV
mA
mA
uA
dB
V
mA
mA
o
mV/
C
40
80
2
250
1.8
-0.6
_
_
_
V
IN
=10V,I
O
=500mA,Tj=25
C
7.5V
≤
V
IN
≤
20V, 5mA
≤
I
O
≤
1A,PD
≤
15W
o
7V
≤
V
IN
≤
25V,I
O
=500mA, Tj=25
C
o
8V
≤
V
IN
≤
12V,I
O
=500mA ,
Tj=25
C
V
IN
=10V, 5mA
≤
I
O
≤
1A,
Tj=25
o
C
V
IN
=10V, 250mA
≤
I
O
≤
750mA,
Tj=25
o
C
o
V
IN
=10V,I
O
=500mA,Tj=25
C
V
IN
=10V, 5mA
≤
I
O
≤
1A
7V
≤
V
IN
≤
25V,I
O
=500mA
o
10Hz
≤
f
≤
100Hz,
Tj=25
C
o
8V
≤
V
IN
≤
18V,f=120Hz,
Tj=25
C
o
I
o
=1A, Tj=25
C
o
V
IN
=35V,
Tj=25
C
o
Tj=25
C
o
o
I
O
=5mA,0
C
≤
Tj
≤
25
C
Any changing of specification will not be informed individual
o
01-Jun-2002 Rev. A
Page 1 of
6

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