isc Three Terminal Negative Voltage Regulator
FEATURES
·Output current in excess of 1.5A ·Output voltage of -8V ·Intern...
isc Three Terminal Negative Voltage
Regulator
FEATURES
·Output current in excess of 1.5A ·Output voltage of -8V ·Internal thermal overload protection ·Output transition Safe-Area compensation ·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
internally limited
Ptot
Power dissipation
internally limited
TOP
Operating junction temperature
0~150
℃
Tstg
Storage temperature
-65~150
℃
THERMAL CHARACTERISTICS
SYMBOL
PARAMETER
MAX UNIT
Rth j-c Thermal Resistance, Junction to Case
5
℃/W
Rth j-a Thermal Resistance,Junction to Ambient
65
℃/W
7908
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isc Three Terminal Negative Voltage
Regulator
7908
·ELECTRICAL CHARACTERISTICS
Tj=25℃ (Vi= -14V, IO=0.5A, Ci= 2.2μF, CO= 1μF unless otherwise specified)
SYMBO L
PARAMETER
CONDITIONS
MIN
TYP
MAX
VO Output Voltage
Vin=-14V; IO=0.5A
-7.7
-8.3
VO Output Voltage
Vin=-15.5to-27V; IO=5mA to1A; Po≤15W
-7.6
-8.4
△VV Line Regulation
-10.5V≤Vin≤-25V; IO=0.5A -11V≤Vin≤-17V ; IO=0.5A
160 80
△Vi Load Regulation
5.0mA≤IO≤1.5A; 250mA≤IO≤750mA;
160 80
Id
Quiescent Current
Vin=-14V; IO=0.5A
8
△d1
Quiescent Change
Current 5.0mA≤IO≤1.5A; Vin=-9V
0.5
△d2
Quiescent Change
Current -10.5V≤Vin≤-25V; IO=0.5A
1
UNIT
V V mV mV mA mA mA
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