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AS2431
Precision Adjustable Shunt Reference
Absolute Maximum Ratings
Parameter
Symbol
Rating
Units
Cathode-Anode Reverse Breakdown
VKA
18
V
Anode-Cathode Forward Current
IAK
1A
Operating Cathode Current
IKA
100
mA
Reference Input Current
IREF
1mA
Continuous Power Dissipation at 25°C
PD
TO-92
775
mW
8L SOIC
750
mW
SOT-89
1000
mW
3L SOT-23
200
mW
Junction Temperature
TJ
150
°C
Storage Temperature
TSTG
–65 to 150
°C
Lead Temp, Soldering 10 Seconds
TL
300
°C
Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a
stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sec-
tions of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.
–
+
REFERENCE
(R)
ANODE (A)
CATHODE (K)
2.5 V
Recommended Conditions
Parameter
Symbol
Rating
Unit
Cathode Voltage
VKA
VREF to 18
V
Cathode Current
IK
10
mA
Typical Thermal Resistances
Package
θ
JA
θ
JC
Typical Derating
TO-92
160°C/W
80°C/W
6.3 mW/°C
SOIC
175°C/W
45°C/W
5.7 mW/°C
SOT-89
110°C/W
8°C/W
9.1 mW/°C
SOT-23/5L
575°C/W
150°C/W
1.7 mW/°C
Functional Block Diagram
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