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KF55 Datasheet

VERY LOW DROP VOLTAGE REGULATORS

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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, 500µA 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 2.2µF FOR STABILITY
s AVAILABLE IN ± 2% ACCURACY AT 25 oC
s SUPPLY VOLTAGE REJECTION: 70 db
(TYP.)
s TEMPERATURE RANGE: -40 TO 125 oC
DESCRIPTION
The KF00 series are very Low Drop regulators
available in 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
suitable for Low Noise, Low Power applications
and specially in battery powered systems.
SO-8
3
1
DPAK
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
June 1998
1/16


STMicroelectronics Electronic Components Datasheet

KF55 Datasheet

VERY LOW DROP VOLTAGE REGULATORS

No Preview Available !

KF00
ABSOLUTE MAXIMUM RATINGS
S ymb ol
Parameter
Vi DC Input Voltage
Io Output Current
Ptot Power Dissipation
Tstg Storage Temperature Range
To p Operating Junction Temperature Range
THERMAL DATA
S ymb ol
Parameter
Rthj- case Thermal Resistance Junction-case
CONNECTION DIAGRAM (top view)
Value
-0.5 to 20
Internally limited
Internally limited
- 40 to 150
- 40 to 125
Uni t
V
oC
oC
DPAK
8
SO-8
20
Unit
oC/W
SO-8
DPAK
2/16


Part Number KF55
Description VERY LOW DROP VOLTAGE REGULATORS
Maker STMicroelectronics
PDF Download

KF55 Datasheet PDF






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