CP432

Adjustable Precision Shunt Regulator

* 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

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Fax:886-3-3521052

Page 3 of 10

Rev 1.1 Jan. 19,2005

Absolute Maximum Ratings

Cathode

voltage ……………………………....……...........…..........……………………………………...……….20V

Continuous cathode current …………………………………......................…………………….... -10mA ~

250mA

Reference input current range ………………………...….………....................……………………….….......

10mA

Operating temperature range (

CP432) ………………………………………………………………… -20

85

(

CP432I).……………..…..…............……………………………..……. -40

Lead Temperature……………….…………….…..……………………..………………..…….........…............

260

Storage Temperature ……………………………..............…......………………….......……............ -65

150

Power Dissipation (Notes 1. 2)

SOT89 .……………..……..……………………............….... 0.

80W

TO92 .....…………….………………………....……….. ..... 0.78W

SOT23. …………………..…..…………………………….…. 0.23W

Note 1: TJ, max =150

Note 2: Ratings apply to ambient temperature at 25

Parameter

Test conditions

Symbol Min.

Typ.

Max.

Unit

CP432

1.227

1.252

Reference voltage

(Fig.1)

CP432A

1.233

1.24

1.246

V

Deviation of reference input voltage

over temperature (Note 3)

Ta = full range

(Fig.1)

3.0

20

mV

Ratio of the change in reference

voltage to the change in cathode

voltage

(Fig.2)

KA

REF

V

V

∆

∆

-1.4

-2.0

mV/V

Reference input current

R1 = 10KΩ,R2 = ∞

1.4

3.5

µA

Deviation of reference input current

over temperature

R1 = 10KΩ,R2 = ∞

Ta = Full range (Fig.2)

0.4

1.2

µA

Minimum cathode current for

regulation

0.15

0.3

mA

Off-state current

0.1

1.0

µA

Dynamic output impedance (Note 4)

Frequency

≤ 1KHz (Fig.1)

KA

Z

0.2

0.5

Ω