ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

Cathode to Anode Voltage

37

V

Continuous Cathode Current Range

-100 to +150

mA

Reference Input Current Range

-0.05 to +10

mA

Operating Free-air Temperature Range

TL1431C/AC

TL1431I/AI

-20 to +70

-40 to +105

Storage Temperature Range

-65 to +150

OPERATING CONDITIONS

Symbol

Parameter

Value

Unit

Cathode to Anode Voltage

V

Cathode Current

1 to 100

mA

ELECTRICAL CHARACTERISTICS

Symbol

Parameter

TL1431C

TL1431AC

Unit

Min.

Typ.

Max.

Min.

Typ.

Max.

Reference Input Voltage - (figure 1)

2.490

2.500

2.510

2.493

2.500

2.507

V

Reference Input Voltage Deviation Over

Temperature Range - (figure 1, note1)

320

3

20

mV

∆V

ref

∆T

Temperature Coefficient of Reference Input

Voltage - (note 2)

±13

±90

±13

±90

ppm/

Ratio of Change in Reference Input Voltage to

Change in Cathode to Anode Voltage - (figure 2)

-2

-1.1

-2

-1.1

mV/V

Iref

Reference Input Current - (figure 2)

1.5

2.5

3

1.5

2.5

3

µA

Reference Input Current Deviation Over

Temperature Range - (figure 2)

0.2

1.2

0.2

1.2

µA

Minimum Cathode Current for Regulation - (figure

1)

0.5

1

0.5

0.6

mA

Off-State Cathode Current - (figure 3)

180

500

180

500

nA

Dynamic Impedance - (figure 1, note 3)

0.2

0.5

0.2

0.5

Ω

T1

T2

Tempe ra tur e

Notes : 1.

range.

2.

The temperature coefficient is defined as the slopes (positive and negative) of the voltage vs temperature limits whithin

which the reference voltage is guaranteed.

3.

=

∆V

KA

∆I

K

25 C

Te m pe ra ture

ma x

2.5V

min

-n

p

pm/

C

+ n

ppm

/ C

TL1431

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