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SI78XX

更新时间: 2024-11-28 12:20:19
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SECOS 稳压器
页数 文件大小 规格书
6页 494K
描述
3-Terminal Positive Voltage Regulator

SI78XX 数据手册

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SI78XX  
3-Terminal  
Elektronische Bauelemente  
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  
Millimeter  
Millimeter  
REF.  
REF.  
Min.  
Max.  
6.80  
5.50  
7.20  
7.80  
Min.  
Max.  
0.70  
2.40  
0.60  
0.60  
1.50  
5.80  
A
B
C
D
E
F
6.40  
5.20  
6.80  
7.20  
G
H
J
K
L
0.50  
2.20  
0.45  
0.45  
0.90  
5.40  
2.30 REF.  
0.60  
0.90  
M
Absolute Maximum Ratings  
Parameter  
Symbol  
Ratings  
Unit  
V
V
A
oC  
oC  
oC  
SI7805~18  
35  
40  
1
VIN  
Input Voltage  
SI7824  
VIN  
IO  
Output Current  
Tj,  
Tstg  
Operating Junction And Storage Temperature Range  
Thermal Resistance Junction-Air  
-55~+150  
125  
RθJA  
RθJC  
Thermal Resistance Junction-Cases  
12.5  
Electrical Characteristics  
SI7805 (Refer to the test circuits,Tj=0~125oC, I  
O
=500mA, VIN=10V, CIN=0.33uF, C =0.1uF unless otherwise specified)  
O
Symbol  
Test Condition  
Min.  
Typ.  
Unit  
Max.  
o
4.85  
A-Rank  
B-Rank  
(3%)  
(5%)  
C
5.15  
5
_
V
IN=10V,I  
O
=500mA,Tj=25  
VO  
V
20V,  
I  
O
7.5V VIN  
5mA  
1A,PD  
15W  
4.75  
_
5.25  
50  
25  
100  
50  
8
0.5  
1.3  
_
o
25V,I  
C
3
1
_
O
=500mA, Tj=25  
,
12V,I =500mA  
V
O
VIN  
7V  
8V  
mV  
o
_
Regulation)  
(Line  
C
VIN  
O
o
_
_
VIN=10V,  
I
O
5mA  
250mA  
C
V
O
1A,  
mV  
mA  
mA  
o
C
_
Regulation)  
(Load  
VIN=10V,  
IO  
750mA,  
o
_
_
_
_
_
_
_
C
VIN=10V,I  
O
=500mA,Tj=25  
IQ  
VIN=10V,  
IO  
5mA  
1A  
IQ  
25V,I  
O
=500mA  
V
f
IN  
7V  
10Hz  
o
40  
80  
uA  
dB  
VN  
C
100Hz,  
_
_
_
_
o
C
18V,f=120Hz,  
RR  
VIN  
8V  
o
C
_
_
_
_
Tj=25  
Io=1A,  
2
V
VD  
o
C
mA  
mA  
mV/oC  
ISC  
250  
1.8  
-0.6  
V
Tj=25  
IN=35V,  
o
_
_
IPK  
C
o
o
C
VO/ Tj  
=5mA,0 C Tj  
25  
IO  
http://www.SeCoSGmbH.com/  
Any changing of specification will not be informed individual  
01-Jun-2002 Rev. A  
Page 1 of 6  

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