TL431/TL432

ADJUSTABLE PRECISION SHUNT REGULATOR

TL431/432

Document number: DS35050 Rev. 2 - 2

6 of 14

www.diodes.com

September 2010

© Diodes Incorporated

0.00

0.05

0.10

0.15

0.20

0.25

0.30

0.35

0.40

0.45

0.50

-75

-50

-25

0

25

50

75

100

125

T Free Air Temperature ( C)

Off-State Cathode Current vs. Free Air Temperature

A

°

V

= 36V

V= 0

KA

REF

-1.0

-0.9

-0.8

-0.7

-0.6

-0.5

-0.4

-0.3

-0.2

-50

-25

0

25

50

75

100

125

V

= 3V t o 36V

KA

T Free Air Temperature (C)

R atio of Delta Reference Voltage to Delta Cathode

Voltage vs. Free Air Temperature

A

200

220

240

260

280

300

320

340

360

380

400

10

100

1K

10K

100K

f- Frequency (Hz)

Equivalent Input Noise Voltage vs. Frequency

I

= 10mA

V

= V

T = 25°C

KA

KA

REF

A