Advanced Power
AP432
Electronics Corp.
Adjustable Precision Shunt Regulator
Absolute Maximum Ratings
Cathode Voltage…………....……..............................…..........……………………………………...……….20V
Continuous cathode current ………………………………......................……………………...-10mA ~ 250mA
Reference input current range ……………………...….………....................………………………………10mA
Operating temperature range ............……………………………………………………………… -40 oC ~ 85oC
Lead Temperature……………….…………….…..……………………..………………..……........260oC
Storage Temperature ……………………..............…......………………….......……...........-65oC ~ 150oC
Power Dissipation (Notes 1. 2)
SOT-89 .……………..……..……………………...........….... 0. 80W
TO-92.....…………….………………………....……….. ..... 0.78W
SOT-23 …………………..…..…………………………….…. 0.25W
SOT-25...……………………..………….……………………..0.25W
SOP-8...………………….……………………………..……… 0.6W
Note 1: T , max =150oC. .
J
Note 2: Ratings apply to ambient temperature at 25oC.
Electrical Characteristics (Ta=25oC, unless otherwise specified.)
Symbo
Parameter
Reference Voltage
Test conditions
Min.
1.227
1.233
Typ.
1.24
3.0
Max.
1.252
1.246
Unit
V
l
V
KA = Vref,
-B
-A
VREF
I
KA = 10mA
(Fig.1)
Deviation of Reference Input Voltage VKA = VREF , IKA = 10mA ,
VREF
20
-2.0
3.5
1.2
mV
mV/V
µA
over Temperature (Note 3)
Ratio of the Change in Reference
Voltage to the Change in Cathode
Voltage
Ta = full range
(Fig.1)
∆V
REF
IKA = 10mA
(Fig.2)
VKA = 20 ~VREF
-1.4
1.4
∆V
KA
R1 = 10KΩ,R2 = ∞
IKA= 10mA (Fig.2)
R1 = 10KΩ,R2 = ∞
Reference Input Current
IREF
Deviation of Reference Input Current
over Temperature
I
KA = 10mA
αIREF
0.4
µA
Ta = Full range (Fig.2)
KA = VREF (Fig.1)
Minimum Cathode Current for
Regulation
Off-state Current
V
IKA(min)
0.15
0.1
0.3
1.0
0.5
mA
µA
Ω
VKA = 20V , VREF = 0V (Fig.3) IKA(off)
V KA = VREF
Dynamic Output Impedance (Note 4)
0.2
ZKA
Frequency≤ 1KHz (Fig.1)
Advanced Power Electronics Corp.
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