431AC datasheet(8/13 Pages) STMICROELECTRONICS

Part #	431AC

Description	Programmable Voltage Reference

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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Electrical Characteristics

TL431

8/13

Figure 15. Static impedance RKA vs. temp.

Figure 16. Maximum operating current vs. temp.

Figure 17. Gain & phase vs. frequency

Figure 18. Stability behaviour with capacitive

loads

Figure 19. Maximum power dissipation

Figure 20. Pulse response for IK = 1mA

-40

-20

0

20

40

60

80

100

0.20

0.22

0.24

0.26

0.28

0.30

V

KA

=V

REF

T

AMB

=+25

°C

Temperature (

°C)

-40

-20

0

20

40

60

80

100

0.0

0.2

0.4

0.6

V

KA

= V

REF

Temperature (

°C)

1

10

100

1000

10000

-40

-20

0

20

40

60

-200

-150

-100

-50

0

50

100

150

200

Frequency (kHz)

I

K

=10 mA

See figure 4

Phase

Gain

1E-10

1E-9

1E-8

1E-7

1E-6

1E-5

0

20

40

60

80

100

Instable

Area

V

KA

=24 V

V

KA

=12 V

V

KA

=5 V

V

KA

=V

REF

Capacitive load (Farad)

10

20

30

0

20

40

60

80

100

T

AMB

= +25

°C

Safe

Area

SO8

Batwing

TO92

Cathode voltage (V)

024

68

10

0

2

4

6

V

KA

=V

REF

T

AMB

=+25

°C

Output

Input

Time (

µs)

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