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| H431 Datasheet, PDF (2/7 Pages) Hi-Sincerity Mocroelectronics – ADJUSTABLE SHUNT REGULATOR | |||
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HI-SINCERITY
MICROELECTRONICS CORP.
Spec. No. : IC200401
Issued Date : 2004.03.01
Revised Date : 2008.04.01
Page No. : 2/7
Functional Block Diagram & Symbol
Functional Block Diagram
Symbol
Cathode
+
Reference
-
VREF
Cathode
Anode
Reference
Anode
Test Circuits
Fig 1. VK=VREF
II
IN
IREF
VREF
VK
IK
Fig 2. VK>VREF
II
IN
R1
IREF
R2
VREF
VK
IK
Fig 3. Off-State Current
IN
VK
IOFF
Note: VK=VREF(1+R1/R2)+IREFxR1
Electrical Characteristics (TA=25oC unless otherwise specified)
Characteristics
Reference Input
Voltage (Fig1)
H431AN/AM/AA/AS
H431BN/BM/BA/BS
H431CN/CM/CA/CS
Deviation of Reference Input Voltage
Over-Temperature (Fig1)
Symbol
VREF
VREF(dev)
Ratio of Change in Reference Input Voltage ÎVREF /
to the Change in Cathode Voltage (Fig2)
ÎVK
Reference Input Current (Fig2)
IREF
Deviation of Reference Input Current Over
Full Temperature Range (Fig2)
Minimum Cathode Current for Regulation (Fig1)
Off-State Cathode Current (Fig3)
IREF(dev)
IK(min)
IK(off)
Dynamic Output Impedance (Fig1)
ZK
Test Conditions
VK=VREF, IK=10mA
VK=VREF, IK=10mA
Tminâ¤Taâ¤Tmax
IK=10mA,
ÎVK=10V to VREF
IK=10mA,
ÎVK=36V to 10V
IK=10mA, R1=10kΩ,
R2=â
IK=10mA, R1=10kΩ,
R2=â, Ta=Full Range
VK=VREF
VK=36V, VREF=0
VK=VREF, fâ¤1kHz
IK=1 to 100mA
Min Typ Max Unit
2.445 2.495 2.545
2.470 2.495 2.520 V
2.483 2.495 2.507
-
4
17 mV
-
-1.4 -2.7 mV/V
-
-1.0 -2.0 mV/V
-
2
4
uA
-
0.4 1.2 uA
-
0.4 1.0 mA
-
0.1 1.0 uA
-
0.2 0.5
Ω
H431 Series
HSMC Product Specification
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