isc Three Terminal Positive Voltage Regulator
KA7812E
FEATURES
·Output current in excess of 1 A ·Output voltage of 12V...
isc Three Terminal Positive
Voltage Regulator
KA7812E
FEATURES
·Output current in excess of 1 A ·Output
voltage of 12V ·Internal thermal overload protection ·Output transition Safe-Area compensation ·100% avalanche tested ·Minimum Lot-to-Lot variations for robust device
performance and reliable operation
ABSOLUTE MAXIMUM RATINGS(Ta=25℃)
SYMBOL
PARAMETER
RATING
UNIT
Vi
DC input
voltage
35
V
Io
Output current
Ptot
Power dissipation
internally limited
internally limited
TOP
Operating junction temperature
-40~125
℃
Tstg
Storage temperature
-55~150
℃
THERMAL CHARACTERISTICS
SYMBOL
PARAMETER
Rth j-c Rth j-a
Thermal Resistance, Junction to Case
Thermal Resistance,Junction to Ambient
MAX 5 65
UNIT ℃/W ℃/W
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isc Three Terminal Positive
Voltage Regulator
·ELECTRICAL CHARACTERISTICS
Tj=25℃ (Vi= 19V, IO=0.5A, Ci= 0.33μF, CO= 0.1μF unless otherwise specified)
SYMBOL
PARAMETER
CONDITIONS
VO
Output
Voltage
VO
Output
Voltage
△VV Line Regulation
△Vi Load Regulation
Ib
Quiescent Current
Vin=19V; IO=500mA
IO=5 mA to 1A;Po≤15W; Vin=14.5 to 27V; 14.5V≤Vin≤30V 16V≤Vin≤22V 5.0mA≤IO≤1.0 A 250mA≤IO≤750mA
Vin=19V; IO=0.5A
△b1 Quiescent Current Change 5.0mA≤IO≤1.0A
△b2 Quiescent Current Change 14.5V≤Vin≤30V
KA7812E
MIN MAX UNIT
11.5 12.5
V
11.4 12.6
V
240 120
mV
240 120
mV
8.0 mA
0.5 mA
1.0 mA
NOTICE： ISC reserves the rights to make changes of the content herein the datasheet...
