2008. 7. 3

2/6

TL431 Series

Revision No : 0

ELECTRICAL CHARACTERISTICS (Ta=25

)

MAXIMUM RATINGS (Ta=25

)

(Full operating ambient temperature range applies unless otherwise noted.)

CHARACTERISTICS

SYMBOL

TEST

CIRCUIT

TEST CONDITION

MIN.

TYP.

MAX.

UNIT

Reference Input

Voltage

TL431

Figure 1

2.440

2.495

2.550

V

TL431A

2.470

2.495

2.520

V

TL431B

2.4825

2.495

2.5075

V

Reference Input Voltage

Deviation Over Temperature Range

Figure 1

(Note 1)

-

7.0

30

mV

Ratio of Change in Reference Input

Voltage to Change in Cathode to

Anode Voltage

Figure 2

10V

-

-1.4

-2.7

mV/V

36V

10V

-

-1.0

-2.0

Reference Input Current

Ta=25

Figure 2

-

1.8

4.0

A

-

-

6.5

Reference Input Current

Deviation Over Temperature Range

Figure 2

-

0.8

2.5

A

Minimum Cathode Current For Regulation

Figure 1

-

0.5

1.0

mA

Off-State Cathode Current

Figure 3

-

2.6

1000

nA

Dynamic Impedance

Figure 1

(Note 2)

f

1.0kHz

-

0.22

-

CHARACTERISTIC

SYMBOL

RATING

UNIT

Cathode To Anode Voltage

37

V

Cathode Current Range, Continuous

-100

150

mA

Reference Input Current Range, Continuous

-0.05

10

mA

Operating Junction Temperature

150

Operating Temperature

-40

85

Storage Temperature

-65

150

Total Power Dissipation

TL431

700

mW

TL431F

800