LM4040 datasheet(7/51 Pages) VISHAY

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CATHODE

ANODE

Absolute Maximum Ratings

(1)

Recommended Operating Conditions

LM4040

PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE

SLOS456J – JANUARY 2005 – REVISED SEPTEMBER 2006

FUNCTIONAL BLOCK DIAGRAM

over free-air temperature range (unless otherwise noted)

MIN

MAX

UNIT

Continuous cathode current

–10

DBZ package

206

Package thermal impedance(2)(3)

DCK package

252

°C/W

LP package

156

Operating virtual junction temperature

150

°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)

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.

MIN

MAX

UNIT

Cathode current

(1)

LM4040xxxI

–40

Free-air temperature

°C

LM4040xxxQ

–40

125

(1)

See parametric tables

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