TL1431CD datasheet(7/16 Pages) STMICROELECTRONICS

Part #	TL1431CD

Description	Programmable voltage reference

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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TL1431

Electrical characteristics

7/16

Figure 10.

Reference voltage vs. cathode

current

Figure 11.

Reference voltage vs. cathode

current

-40

-20

0

20

40

60

80

100

-1

0

1

2

3

V

KA

=V

REF

See figure 1

Cathode current (mA)

0.0

0.2

0.4

0.6

0.8

1.0

0.0

0.5

1.0

1.5

2.0

2.5

3.0

V

KA

=V

REF

See figure 1

Cathode current (mA)

Figure 12.

Reference current vs. temperature

Figure 13.

Off-state cathode current vs.

temperature

-40

-20

0

20

40

60

80

100

120

0.0

0.5

1.0

1.5

2.0

I

K

=10 mA

V

KA

=V

REF

See figure 1

Temperature (°C)

-40

-20

0

20

40

60

80

100

120

0.00

0.02

0.04

0.06

0.08

0.10

V

KA

= 36V

See figure 3

Temperature(°C)

Figure 14.

Ratio of change in VREF to change

in VKA vs. temperature

Figure 15.

Drift of RKA vs. temperature

-40

-20

0

20

40

60

80

100

120

-2.0

-1.5

-1.0

-0.5

0.0

I

K

=10 mA

V

KA

=V

REF

See figure 2

Temperature (°C)

-40

-20

0

20

40

60

80

100

120

-0.04

-0.03

-0.02

-0.01

0.00

I

K

=10 mA

V

KA

=V

REF

= 2.5V

see figure 1

Temperature (°C)

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