TL431BCLP datasheet(5/12 Pages) MICROSEMI

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P RECISION P ROGRAMMABLE R EFERENCES

TL431/TL431A/TL431B

PRODUCT DA T ABOOK 1996/1997

Rev. 1.3

9/99

P RODUCTION D ATA S HEET

CHARACTERISTIC CUR VES

FIGURE 2. —

REFERENCE CURRENT

vs. FREE-AIR TEMPERATURE

FIGURE 3. — CATHODE CURRENT vs. CATHODE VOLTAGE

FIGURE 4. — CATHODE CURRENT vs. CATHODE VOLTAGE

FIGURE 1. —

REFERENCE VOLTAGE

vs. FREE-AIR TEMPERATURE

Ambient Temperature - (°C)

-50

-25

100

125

K = 10mA

R1 =

K = 10mA

TL431/A

TL431B

2.44

2.4

Ambient Temperature - (°C)

-50

-25

100

125

REF = VKA

K = 10mA

2.42

2.46

2.48

2.50

2.52

2.54

2.56

2.58

2.60

REF = 2550mV

REF = 2495mV

REF = 2440mV

TL431B

TL431/A

-100

KA)

Cathode Voltage - (V)

150

-2

-1

KA = VREF

A = 25°C

100

-75

-50

-25

125

TL431/A

TL431B

-200

KA)

Cathode Voltage - (V)

800

200

-1

400

MIN

600

KA = VREF

A = 25°C

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