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L4941STN/a290avai1A-5V LOW DROP REGULATOR


L4941 ,1A-5V LOW DROP REGULATORAbsolute Maximum Ratings are those values beyond which damage to the device may occur. Functional o ..
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L4941
1A-5V LOW DROP REGULATOR
1/14January 2004 LOW DROPOUT VOLTAGE (450mV Typ.at
1A) VERY LOW QUIESCENT CURRENT THERMAL SHUTDOWN SHORT CIRCUIT PROTECTION REVERSE POLARITY PROTECTION
DESCRIPTION

The L4941 isa three terminal 5V positive
regulators availablein TO-220, TO-220FP and2 PAK packages, makingit usefulina wide range industrial and consumer applications. Thanksto
its very low input/output voltage drop, these
devices are particularly suitable for battery
powered equipments, reducing consumption and
prolonging battery life.It employs internal current
limiting, antisaturation circuit, thermal shut-down
and safeareaprotection.
L4941

VERY LOW DROP 1A REGULATOR
BLOCK DIAGRAM
L4941
2/14
ABSOLUTE MAXIMUM RATINGS

AbsoluteMaximum Ratingsare those values beyond which damagetothe device may occur. Functional operation under theseconditionis
not implied.
THERMAL DATA
CONNECTION DIAGRAM
(top view)
ORDERING CODES

(*) Availablein Tape& Reel withthe suffix "-TR".
L4941
3/14
TEST CIRCUITS
Figure1:
DC Parameter
Figure2:
Load Rejection
Figure3:
Ripple Rejection
L4941
4/14
ELECTRICAL CHARACTERISTICS
(Referto test circuit,VI =7V,CI =0.1μF,CO =22μF,= 25°C, unless otherwise specified.)
TYPICAL CHARACTERISTICS
Figure4:
Dropout Voltagevs Output Current Figure5: Dropout Voltagevs Temperature
L4941
5/14
Figure6:
Output Voltagevs Temperature
Figure7:
Quiescent Currentvs Temperature
Figure8:
Quiescent Currentvs Input Voltage
Figure9:
Quiescent Currentvs Output Current
Figure10:
Short Circuit Current vs Temperature
Figure11:
Peak Output Currentvs Input/Output
Differential Voltage
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