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| AMC431 Datasheet, PDF (2/11 Pages) List of Unclassifed Manufacturers – PRECISION ADJUSTABLE SHUNT VOLTAGE REFERENCE | |||
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AMC DOC. #: AMC431_C
November 2002
TYPICAL APPLICATION
V+
Rb
Note: Rb should
provide cathode
current ⥠1mA
VO = 5V
R1
27.5K
0.1%
R2
27.5K
0.1%
5V Precision Regulator
AMC431
PRECISION ADJUSTABLE SHUNT
VOLTAGE REGULATORS
BLOCK DIAGRAM
CATHODE
REF
+
-
VREF
ANODE
ABSOLUTE MAXIMUM RATINGS (Note 1)
Cathode to Anode Voltage (VKA) (Note 2)
Continuous Cathode Current (IK)
Reference Input Current (IREF)
Maximum junction temperature range, TJ
Storage temperature range
-0.3V to 37V
-100mA to 150mA
-50uA to 10mA
150°C
-65OC to 150OC
Lead temperature (soldiering, 10 seconds)
260°C
Note 1: Exceeding these ratings could cause damage to the device. All voltages are with respect to Ground.
Currents are positive into, negative out of the specified terminal.
Note 2: Voltage values are with respect to the anode terminal unless otherwise noted.
POWER DISSIPATION TABLE
Package
θJA
Derating factor DF(mW/°C)
(°C /W )
TA ⥠25°C
TA ⤠25°C
Power rating(mW)
TA=70°C
Power rating(mW)
TA= 85°C
Power rating (mW)
DM
165
6.06
757
485
394
LP
156
6.41
801
513
417
PK 71(note)
14.1
1763
1128
916
DB
285
3.5
438
280
228
Note :
1. For PK package, Thermal Resistance-Junction to Tab ( θJT ) = 35°C /W. TJ = TTAB + (PD à θJT).
PD: Power Dissipation.
2. θJA: Thermal Resistance-Junction to Ambient, DF = 1/θJA
Junction Temperature Calculation: TJ = TA + (PD à θJA).
The θJA numbers are guidelines for the thermal performance of the device/PC-board system.
All of the above assume no ambient airflow.
Copyright ï 2002, ADD Microtech Corp.
2
www.addmtek.com
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