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KF12BDT-TR 查看數據表(PDF) - STMicroelectronics

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KF12BDT-TR VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT ST-Microelectronics
STMicroelectronics ST-Microelectronics
KF12BDT-TR Datasheet PDF : 17 Pages
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KF00
SERIES
VERY LOW DROP
VOLTAGE REGULATORS WITH INHIBIT
s VERY LOW DROPOUT VOLTAGE (0.4V)
s VERY LOW QUIESCENT CURRENT (TYP.
50 µA IN OFF MODE, 500 µA IN ON MODE)
s OUTPUT CURRENT UP TO 500 mA
s LOGIC-CONTROLLED ELECTRONIC
SHUTDOWN
s OUTPUT VOLTAGES OF 1.25; 1.5; 2.5; 2.7;
3; 3.3; 3.5; 4; 4.5; 4.7; 5; 5.2; 5.5; 6; 8; 8.5;
12V
s INTERNAL CURRENT AND THERMAL LIMIT
s ONLY 2.2 µF FOR STABILITY
s AVAILABLE IN ± 2% ACCURACY AT 25 °C
s SUPPLY VOLTAGE REJECTION: 70 db
(TYP.)
s TEMPERATURE RANGE: -40 TO 125 °C
DESCRIPTION
The KF00 series are very Low Drop regulators
availablein SO-8 package and in a wide range of
output voltages.
The very Low Drop voltage (0.4V) and the very
low quiescent current make them particularly
SO-8
DPAK
suitable for Low Noise, Low Power applications
and specially in battery powered systems.
A Shutdown Logic Control function is available
(pin 5, TTL compatible). This means that when the
device is used as a local regulator, it is possible to
put a part of the board in standby, decreasing the
total power consumption. It requires only a 2.2 µF
capacitor for stability allowing space and cost
saving.
SCHEMATIC DIAGRAM
January 2004
1/17
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