4

Rev F: Nov 2-06

SPX43A,B,C Precision Adjustable Shunt Regulator

© 2006 Sipex Corporation

-2

-1

0

1

2

3

-100

-75

-50

-25

0

25

50

75

100

125

150

Temperature Range: 0°C to 105°C

-60

-30

0

30

60

90

120

2.53

2.52

2.51

2.50

2.49

2.48

2.47

2.46

2.45

TyPICAL PERFORmANCE ChARACTERISTICS

High Current Operating Characteristics

Reference Voltage vs. Ambient Temperature

-1.0

0

1.0

2.0

3.0

900

800

700

600

500

400

300

200

100

0

-100

-200

0° to 105°C

105°C

25°C

-0°C

-60

-30

0

30

60

90

120

3.0

2.5

2.0

1.5

1.0

0.5

0

R1 = 10kΩ

R2 = ∞

0

3

6

9

12 15 18

21

24

27 30

0

-10

-20

-30

-40

-50

0°C

25°C

75°C

125°C

Reference Voltage Line Regulation vs, Cathode Volt-

Low Current Operating Characteristics

Reference Input Current vs. Ambient Temperature

70

60

50

40

30

20

10

0

f Frequency (Hz)

Noise Voltage vs. Frequency