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