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STMicroelectronics - VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT

Numéro de référence L4931CV27
Description VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT
Fabricant STMicroelectronics 
Logo STMicroelectronics 





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L4931CV27 fiche technique
L4931
® 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, 600µA IN ON
MODE)
s OUTPUT CURRENT UP TO 250 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; 12V
s INTERNAL CURRENT AND THERMAL LIMIT
s ONLY 2.2µF FOR STABILITY
s AVAILABLE IN ± 1% (AB) OR 2% (C)
SELECTION AT 25 oC
s SUPPLY VOLTAGE REJECTION:
70db TYP. FOR 5V VERSION
s TEMPERATURE RANGE: -40 TO 125 oC
DESCRIPTION
The L4931 series are very Low Drop regulators
available in TO-220, SO-8, DPAK, PPAK and
TO-92 packages and in a wide range of output
voltages.
The very Low Drop voltage (0.4V) and the very
low quiescent current make them particularly
suitable for Low Noise, Low Power applications
and specially in battery powered systems.
TO-220
TO-92
PPAK
3
1
DPAK
SO-8
In PPAK and SO-8 packages a Shutdown Logic
Control function is available 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
April 1999
1/25

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