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LE80AB Datasheet

VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT

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LE00AB/C
® SERIES
VERY LOW DROP
VOLTAGE REGULATORS WITH INHIBIT
s VERY LOW DROPOUT VOLTAGE (0.2V TYP.)
s VERY LOW QUIESCENT CURRENT
(TYP. 50µA IN OFF MODE, 0.5mA IN ON
MODE, NO LOAD)
s OUTPUT CURRENT UP TO 100 mA
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; 8V
s INTERNAL CURRENT AND THERMAL LIMIT
s ONLY 2.2µF FOR STABILITY
s AVAILABLE IN ± 1% (A) OR ± 2% (C)
SELECTION AT 25 oC
s SUPPLY VOLTAGE REJECTION: 80 db (TYP.)
s TEMPERATURE RANGE: -40 TO 125 oC
DESCRIPTION
The LE00 regulator series are very Low Drop
regulators available in SO-8 and TO-92 packages
and in a wide range of output voltages.
The very Low Drop voltage (0.2V) and the very
low quiescent current make them particularly
suitable for Low Noise Low Power applications
and specially in battery powered systems.
They are pin to pin compatible with the older
L78L00 series. Furthermore in the 8 pin
configuration (SO-8) they employ a Shutdown
Logic Control (pin 5, TTL compatible). This
means that when the device is used as a local
SO-8
TO-92
regulator, it’s possible to put in stand by a part of
the board even more decreasing the total power
consumption. In the three terminal configuration
(TO-92) the device is even in ON STATE,
mantaining the same electrical performances. It
needs only 2.2µF capacitor for stability allowing
room and cost saving effect.
SCHEMATIC DIAGRAM
September 1998
1/25


STMicroelectronics Electronic Components Datasheet

LE80AB Datasheet

VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT

No Preview Available !

LE00AB/C
ABSOLUTE MAXIMUM RATING
Symbol
Parameter
Value
Unit
Vi DC Input Voltage
20 V
Io Output Current
Internally limited (*)
Ptot Power Dissipation
Internally limited (*)
Tstg Storage Temperature Range
- 40 to 150
oC
To p Operating Junction Temperature Range
- 40 to 125
oC
(*) Our SO-8 package used for Voltage Regulators is modified internally to have pins 2, 3, 6 and 7 electrically commoned to the die attach
flag. This particular frame decreases the total thermal resistance of the package and increases its ability to dissipate power when an
appropriate area of copper on the printed circuit board is available for heatsinking. The external dimensions are the same as for the
standard SO-8
TEST CIRCUITS
Note: If the Inhibit pin is left floating, the regualtor is in ON mode. However, to avoid any noise picking-up, it is suggested to ground it when
2/25


Part Number LE80AB
Description VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT
Maker STMicroelectronics
Total Page 25 Pages
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