CP432
Adjustable Precision Shunt Regulator
ꢀAbsolute Maximum Ratings
Cathode
voltage ……………………………....……...........…..........……………………………………...……….20V
Continuous cathode current …………………………………......................…………………….... -10mA ~
250mA
Reference input current range ………………………...….………....................……………………….….......
10mA
Operating temperature range (CP432) ………………………………………………………………… -20oC ~
85oC
(CP432I).……………..…..…............……………………………..……. -40oC~85oC
Lead Temperature……………….…………….…..……………………..………………..…….........…............
260oC
Storage Temperature ……………………………..............…......………………….......……............ -65oC ~
150oC
Power Dissipation (Notes 1. 2)
SOT89 .……………..……..……………………............….... 0.
80W
TO92 .....…………….………………………....……….. ..... 0.78W
SOT23. …………………..…..…………………………….…. 0.23W
Note 1: TJ, max =150oC. .
Note 2: Ratings apply to ambient temperature at 25oC.
ꢀ Electrical Characteristics (Ta=25oC, unless otherwise specified.)
Parameter
Test conditions
Symbol Min.
Typ.
Max.
Unit
V
KA = Vref,
CP432
CP432A
1.227
1.252
Reference voltage
VREF
1.24
V
I KA = 10mA
(Fig.1)
1.233
1.246
Deviation of reference input voltage VKA = VREF , IKA = 10mA ,
VREF
3.0
-1.4
1.4
0.4
20
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)
IKA = 10mA
∆V
REF
VKA = 20 ~VREF
-2.0
3.5
1.2
∆V
(Fig.2)
KA
R1 = 10KΩ,R2 = ∞
IKA= 10mA (Fig.2)
R1 = 10KΩ,R2 = ∞
IKA = 10mA
Reference input current
IREF
αIREF
IKA(min)
Deviation of reference input current
over temperature
µA
Ta = Full range (Fig.2)
Minimum cathode current for
regulation
VKA = VREF (Fig.1)
0.15
0.1
0.3
1.0
mA
µA
Off-state current
VKA = 20V , VREF = 0V (Fig.3) IKA(off)
V KA = VREF
Dynamic output impedance (Note 4) ∆IKA = 0.1mA ~ 15mA
0.2
0.5
Ω
ZKA
Frequency ≤ 1KHz (Fig.1)
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Tel:886-3-3214525
Email: server@ceramate.com.tw
Http: www.ceramate.com.tw
Rev 1.1 Jan. 19,2005
Page 3 of 10
Fax:886-3-3521052
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