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L7820AB 반도체 회로 부품 판매점

PRECISION 1A REGULATORS



STMicroelectronics 로고
STMicroelectronics
L7820AB 데이터시트, 핀배열, 회로
L7800AB/AC
® SERIES
PRECISION 1A REGULATORS
s OUTPUT CURRENT IN EXCESS OF 1 A
s OUTPUT VOLTAGES OF 5; 6; 8; 9; 12; 15; 18;
20; 24V
s THERMAL OVERLOAD PROTECTION
s OUTPUT TRANSITION SOA PROTECTION
s 2% OUTPUT VOLTAGE TOLERANCE
s GUARANTEED IN EXTENDED
TEMPERATURE RANGE
DESCRIPTION
The L7800A series of three-terminal positive
regulators is available in TO-220 and D2PAK
packages and several fixed output voltages,
making it useful in a wide range of
applications.These regulators can provide local
on-card regulation, eliminating the distribution
problems associated with single point regulation.
Each type employs internal current limiting,
thermal shut-down and safe area protection,
making it essentially indestructible. If adequate
heat sinking is provided, they can deliver over 1A
output current. Although designed primarily as
fixed voltage regulators, these devices can be
used with external components to obtain
adjustable voltages and currents.
BLOCK DIAGRAM
D2PAK
TO-220
November 1999
1/17


L7820AB 데이터시트, 핀배열, 회로
L7800AB/AC
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Vi DC Input Voltage (for VO = 5 to 18V)
(for VO = 20, 24V)
Io Output Current
Ptot Power Dissipation
Top Operating Junction Temperature Range (for L7800AC)
(for L7800AB)
Tstg Storage Temperature Range
THERMAL DATA
Symbol
Parameter
Rthj- ca se Thermal Resistance Junction-case
Rthj-amb Thermal Resistance Junction-ambient
Value
35
40
Internally limited
Internally limited
0 to 150
-40 to 125
- 65 to 150
Unit
V
V
oC
oC
oC
Max
Max
D2PAK
3
62.5
TO-220
3
50
Unit
oC/W
oC/W
CONNECTION DIAGRAM AND ORDERING NUMBERS (top view)
TO-220
Type
TO-220
L7805AB
L7805ABV
L7805AC
L7805ACV
L7806AB
L7806ABV
L7806AC
L7806ACV
L7808AB
L7808ABV
L7808AC
L7808ACV
L7809AB
L7809ABV
L7809AC
L7809ACV
L7812AB
L7812ABV
L7812AC
L7812ACV
L7815AB
L7815ABV
L7815AC
L7815ACV
L7818AB
L7818ABV
L7818AC
L7818ACV
L7820AB
L7820ABV
L7820AC
L7820ACV
L7824AB
L7824ABV
L7824AC
L7824ACV
(*) AVAILABLE IN TAPE AND REEL WITH ”-TR” SUFFIX
D2PAK
D2PAK (*)
L7805ABD2T
L7805ACD2T
L7806ABD2T
L7806ACD2T
L7808ABD2T
L7808ACD2T
L7809ABD2T
L7809ACD2T
L7812ABD2T
L7812ACD2T
L7815ABD2T
L7815ACD2T
Output Voltage
5V
5V
6V
6V
8V
8V
9V
9V
1 2V
1 2V
1 5V
1 5V
1 8V
1 8V
2 4V
2 4V
2/17




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L7820AB regulator

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