TL431 / TL431A / TL431B

Microsemi

Integrated Products Division

11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570

Page 2

Copyright

© 1999

Rev. 1.4, 2006-09-26

Precision programmable References

TM

®

ABSOLUTE MAXIMUM RATINGS

Cathode to Anode Voltage (VKA)(Note 2) ....................................................... -0.3 to 37V

Reference Input Current (IREF).................................................................. -50µA to 10mA

Continuous Cathode Current (IK).......................................................... -100mA to 150mA

Operating Junction Temperature................................................................................ 150°C

Storage Temperature Range.........................................................................-65°C to 150°C

Package Peak Temp. for Solder Reflow (40 seconds maximum exposure) ... 260°C (+0 -5)

Note: Exceeding these ratings could cause damage to the device. All voltages are with respect to

Ground. Currents are positive into, negative out of specified terminal

.

Note 2. Voltage values are with respect to the anode terminal unless otherwise noted.

TH ERMAL DATA

THERMAL RESISTANCE

θ

JA

165

°C/W

THERMAL RESISTANCE

θ

JA

71

°C/W

THERMAL RESISTANCE

θ

JA

156

°C/W

The

above assume no ambient airflow.

BLOCK DIAGRAM

Cathode (K)

Anode (A)

V

REF

Ref (R)

PACKAGE PIN OUT

3. Cathode

2. Anode

1. Ref

(Top View)

1

2

3

4

5

6

7

8

Cathode

N.C.

Anode

N.C.

N.C.

Anode

Anode

Ref

(Top View)

1

2

3

Ref

Anode

Cathode

(Top View)

RoHS / Pb-free 100% Matte Tin Lead Finish