TLV431ILPR datasheet(5/39 Pages) TI

5 / 39 page

TLV431, TLV431A, TLV431B

LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATOR

SLVS139T − JULY 1996 − REVISED JUNE 2007

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

absolute maximum ratings over operating free-air temperature range (unless otherwise noted)†

Cathode voltage, VKA (see Note 1)

7 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Continuous cathode current range, IK

−20 mA to 20 mA

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Reference current range, Iref

−0.05 mA to 3 mA

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Package thermal impedance,

θJA (see Notes 2 and 3): D package

°C/W

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

DBV package

206

°C/W

. . . . . . . . . . . . . . . . . . . . . . . .

DBZ package

206

°C/W

. . . . . . . . . . . . . . . . . . . . . . . . .

DCK package

252

°C/W

. . . . . . . . . . . . . . . . . . . . . . . .

LP package

140

°C/W

. . . . . . . . . . . . . . . . . . . . . . . . . .

PK package

°C/W

. . . . . . . . . . . . . . . . . . . . . . . . . . .

Operating virtual junction temperature

150

°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Storage temperature range, Tstg

−65

°C to 150°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

† 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.

NOTES:

1. Voltage values are with respect to the anode terminal, unless otherwise noted.

2. 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.

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

recommended operating conditions

MIN

MAX

UNIT

VKA

Cathode voltage

VREF

Cathode current

0.1

TLV431_C

Operating free-air temperature range

TLV431_I

−40

°C

TLV431_Q

−40

125

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