L78M00AB 查看數據表（PDF） - STMicroelectronics
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L78M00AB Datasheet PDF : 17 Pages
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L78M00AB/AC
SERIES
PRECISION 500mA REGULATORS
s OUTPUT CURRENT TO 0.5A
s OUTPUT VOLTAGES OF 5; 6; 8; 9; 10; 12;
15; 18; 20; 24V
s THERMAL OVERLOAD PROTECTION
s SHORT CIRCUIT PROTECTION
s OUTPUT TRANSITION SOA PROTECTION
s ±2% OUTPUT VOLTAGE TOLERANCE
s GUARANTEED IN EXTENDED
TEMPERATURE RANGE
DESCRIPTION
The L78M00AB series of three-terminal positive
regulators is available in TO-220 and DPAK
packages and with 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 0.5A output
current. Although designed primarily as fixed
TO-220
DPAK
voltage regulators, these devices can be used
with external components to obtain adjustable
voltage and currents.
SCHEMATIC DIAGRAM
October 2003
1/17
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