SPX431AM datasheet(4/13 Pages) SIPEX

4 / 13 page

Rev F: Nov 2-06

SPX43A,B,C Precision Adjustable Shunt Regulator

-2

-1

-100

-75

-50

-25

100

125

150

VKA - Cathode Voltage (V)

VKA = VREF

Temperature Range: 0°C to 105°C

-60

-30

120

2.53

2.52

2.51

2.50

2.49

2.48

2.47

2.46

2.45

TA Ambient Temperature (°C)

VKA = VREF

IK = 10mA

TyPICAL PERFORmANCE ChARACTERISTICS

High Current Operating Characteristics

Reference Voltage vs. Ambient Temperature

-1.0

1.0

2.0

3.0

900

800

700

600

500

400

300

200

100

-100

-200

VKA Cathode Voltage (V)

VKA = VREF

0° to 105°C

105°C

25°C

-0°C

-60

-30

120

3.0

2.5

2.0

1.5

1.0

0.5

TA Ambient Temperature (°C)

R1 = 10kΩ

R2 = ∞

IK = 10mA

12 15 18

27 30

-10

-20

-30

-40

-50

VKA Cathode Voltage (V)

0°C

25°C

75°C

125°C

IKA = 10mA

Reference Voltage Line Regulation vs, Cathode Volt-

age and Tambient

Low Current Operating Characteristics

Reference Input Current vs. Ambient Temperature

f Frequency (Hz)

VKA = VREF

IK = 10mA

TA = 25°C

Noise Voltage vs. Frequency

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