4

2001-05-A

TL431 Programmable Precision Reference

--

1.8

4.0

Reference Input Current (Figure 2)

--

--

5.2

µA

Reference Input Current Deviation Over

Temperature Range (Figure 2, Note 1)

--

0.4

1.2

µA

Minimum Cathode Current for Regulation

--

0.5

1.0

mA

Off-State Cathode Current (Figure 3)

--

260

1000

nA

Dynamic Impedance (Figure 1, Note 3)

--

0.22

0.5

Ω

1

2

minimum values obtained over the full operating ambient temperature range the applies.

C

°

ppm

=

A

ref

ref

T

C

V

V

∆

×

°

∆

6

10

25

@

=

)

25

@

(

10

6

C

V

T

V

ref

A

ref

°

∆

×

∆

lower ambient temperature. (Refer to Figure 6)

)

495

.

2

(

70

10

008

.

0

6

×

=45.8 ppm/℃