ST432BS35RG datasheet(4/13 Pages) STANSON

4 / 13 page

ST432

Adjustable Precision Shunt Regulator

STANSON TECHNOLOGY

120 Bentley Square, Mountain View, Ca 94040 USA

http://www.stansontech.com

ST432 2007. V1

ELECTRICAL CHARACTERISTICS (TA=25℃, unless otherwise specified)

SP432AS23RG & SP432AS25RG & SP432AS35RG

Parameter

Symbol

Conditions

Min.

Typ. Max. Unit

TA=25℃

1.234

1.24 1.246

Reference Voltage for 432A

VREF

VZ = VREF

IZ = 10mA TA=-40℃~+80℃ 1.222

1.258

TA=25℃

1.228

1.24 1.252

Reference Voltage for 432B

VREF

VZ = VREF

IZ = 10mA TA=-40℃~+80℃ 1.215

1.265

VREF Temp Deviation

VDEV

TA=-40℃~+80℃

VZ = VREF , IZ = 10mA

Ratio of change in VREF to

change in Cathode voltage

∆VREF /

∆VZ

IZ = 10mA

∆VZ = 16V ~ VREF

-1.0

-2.7 mV/

Reference Input Current

IREF

R1=10KΩ, R2= ∞,IZ= 10mA

0.15

0.5

IREF Temp Deviation

IREF(DEV)

TA=-40℃~+80℃

R1=10KΩ,R2=∞, IZ = 10mA

0.1

0.4

VZ = 6V

Off state Cathode Current

IZ(OFF) VREF = 0V

VZ = 12V

0.5

1.0

Dynamic output impedance

f < 1KHZ , VZ = VREF

IZ = 1mA ~ 100mA

0.25

0.4

Ω

Minimum Operation Current IZ(MIN) VZ = VREF

APPLICATION CIRCUIT

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