CATHODE

REF

ANODE

800

Ω

2.4 k

Ω

4 k

Ω

20 pF

1 k

Ω

7.2 k

Ω

800

Ω

800

Ω

150

Ω

10 k

Ω

3.28 k

Ω

20 pF

1

8

2, 3, 6, 7

TL1431-SP

SLVSB44B – JULY 2012 – REVISED SEPTEMBER 2013

www.ti.com

EQUIVALENT SCHEMATIC

Absolute Maximum Ratings

(1)

over operating free-air temperature range (unless otherwise noted)

MIN

MAX

UNIT

37

V

Continuous cathode current range

–100

150

mA

Reference input current range

–0.05

10

mA

JG package

14.5

°C/W

U package

19.1

Operating virtual junction temperature

150

°C

Lead temperature

1,6 mm (1/16 in) from case for 10 s

260

°C

Storage temperature range

–65

150

°C

(1)

Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings

only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating

conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

(2)

All voltage values are with respect to ANODE, unless otherwise noted.

(3)

(4)

The package thermal impedance is calculated in accordance with MIL-STD-883.

Recommended Operating Conditions

MIN

MAX

UNIT

Cathode voltage

36

V

Cathode current

1

100

mA

Operating free-air temperature

–55

125

°C

2

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