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| H431AA Datasheet, PDF (2/4 Pages) Hi-Sincerity Mocroelectronics – AJDUSTABLE SHUNT REGULATOR | |||
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HI-SINCERITY
MICROELECTRONICS CORP.
Functional Block Diagram & Symbol
Functional Block Diagram :
Cathode
Reference
VREF
+
-
Anode
Symbol :
Test Circuits
II
IN
IREF
VREF
VZ
IZ
II
IN
R1 IREF
R2 VREF
VZ
IZ
Spec. No. : HA200216
Issued Date : 1998.04.08
Revised Date : 2002.08.27
Page No. : 2/4
Cathode
Reference
Anode
IN
VZ
Fig1. Test Circuit for VZ=VREF
Fig 2. Test Circuit for VZ>VREF
Fig3. Test Circuit for Off-State
Note : VZ=VREF(1+R1/R2)+IREFxR1
Current
Electrical Characteristics ( Ta=25°C unless otherwise specified )
Characteristics
Symbol Test Conditions Min Typ Max Unit
Reference Input Voltage H431AA
2.445 2.495 2.545
H431BA
H431CA
VREF VKA=VREF, IK=10mA 2.470 2.495 2.520 V
2.480 2.495 2.510
Deviation of Reference Input Voltage
Over-Temperature
VREF(dev)
VKA=VREF, IK=10mA
Tminâ¤Taâ¤Tmax
-
Ratio of Change in Reference Input
Voltage to the Change in Cathode
Voltage
âVREF /
âVKA
IK=10mA,
âVKA=10V-VREF
IK=10mA,
âKKA=36V-10V
-
-
Reference Input Current
IREF
IK=10mA, R1=10kâ¦,
R2=â
-
Deviation of Reference Input Current
Over Full Temperature Range
IREF(dev)
IK=10mA, R1=10kâ¦,
R2=â, Ta=Full Range
-
Minimum Cathode Current for
Regulation
IK(min) VKA=VREF
-
4 17 mV
-1.4 -2.7 mV
-1.0 -2.0 V
2 4 uA
0.4 1.2 uA
0.4 1.0 mA
Off-State Cathode Current
Dynamic impedance
IK(off) VKA=36V, VREF=0
- 0.1 1.0 uA
ZKA
VKA=VREF, fâ¤1.0KHz
IK=1 to 100mA
-
0.2 0.5 â¦
H431AA, H431BA, H431CA
HSMC Product Specification
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