TL1431MFKB datasheet(3/32 Pages) TI1

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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

2, 3, 6, 7

TL1431

www.ti.com

SLVS062M – DECEMBER 1991 – REVISED APRIL 2012

EQUIVALENT SCHEMATIC

All component values are nominal.

Pin numbers shown are for the D package.

Absolute Maximum Ratings

(1)

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

MIN

MAX

UNIT

VKA

Cathode voltage(2)

IKA

Continuous cathode current range

–100

150

II(ref)

Reference input current range

–0.05

D package

θJA

Package thermal impedance(3) (4)

LP package

140

°C/W

PW package

149

FK package

5.61

θJC

Package thermal impedance(5) (6)

°C/W

JG package

14.5

Operating virtual junction temperature

150

°C

Lead temperature

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

260

°C

Tstg

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)

Maximum power dissipation is a function of TJ(max), θJA, and TA. The maximum allowable power dissipation at any allowable ambient

temperature is PD = (TJ(max) – TA)/θJA. Operating at the absolute maximum TJ of 150°C can affect reliability.

(4)

The package thermal impedance is calculated in accordance with JESD 51-7.

(5)

Maximum power dissipation is a function of TJ(max), θJC, and TC. The maximum allowable power dissipation at any allowable case

temperature is PD = (TJ(max) – TC)/θJC. Operating at the absolute maximum TJ of 150°C can affect reliability.

(6)

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

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