TL431LP datasheet(4/6 Pages) CALOGIC

4 / 6 page

TL431

TYPICAL PERFORMANCE CURVES

CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025

100

0.01

–60

1G-43

OFF STATE LEAKAGE

–30

306090

120

0.1

VKA = 36V

VREF = 0V

– AMBIENT TEMPERATURE (˚C)

150

–100

–2

1G-42

HIGH CURRENT OPERATING

CHARACTERISTICS

–25

–50

–75

125

100

–1

– CATHODE VOLTAGE (V)

VKA

TEMPERATURE RANGE: –55 to 125˚C

VKA = VREF

2.54

2.46

–60

1G-44

TEMPERATURE COEFFICIENT AS

A FUNCTION OF TRIM VALUE

–30

2.47

2.48

2.49

2.50

2.51

2.52

2.53

120

– AMBIENT TEMPERATURE

VKA = VREF

I K = 10mA

VREF = 2.503V AT 25˚C

VKA – CATHODE VOLTAGE (V)

900

–200

–1.0

3.0

1G-41

LOW CURRENT OPERATING

CHARACTERISTICS

1.0

2.0

–100

800

700

600

500

400

300

200

100

125˚C

–55˚C

25˚C

V= VREF

TEMPERATURE RANGE: –55 to 125˚C

–50

030

1G-46

REFERENCE VOLTAGE

LINE REGULATION

12 15 18 21 24 27

–10

–20

–30

–40

– CATHODE VOLTAGE (V)

VKA

I K = 10mA

TEMPERATURE RANGE: –55 to 125˚C

–55˚C

0˚C

25˚C

75˚C

125˚C

3.0

–60

1G-45

REFERENCE

INPUT CURRENT

–30

306090

120

2.5

2.0

1.5

1.0

0.5

TA – AMBIENT TEMPERATURE (˚C)

R1 = 10k

Ω

R2 =

∞

I K = 10mA

CORPORATION

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