High Temperature Operation

The maximum junction temperature of the LM4041 is

+150°C. The maximum operating temperature for the

LM4041_E_ is +125°C. At a maximum load current of

15mA and a maximum output voltage of 5V, the part

will dissipate 75mW of power. The power dissipation

limits of the 3-pin SC70 call for a derating value of

2.17mW/°C above +70°C and thus for 75mW of power

dissipation, the part will selfheat to 35.56°C above

ambient temperature. If the ambient temperature is

+125°C, the part operates at 159.56°C, thereby

exceeding the maximum junction temperature value of

+150°C. For high-temperature operation, care must be

taken to ensure the combination of ambient tempera-

ture, output power dissipation, and package thermal

resistance does not conspire to raise the device tem-

perature beyond that listed in the Absolute Maximum

Ratings. Either reduce the output load current or the

ambient temperature to keep the part within the limits.

Improved Precision Micropower

Shunt Voltage Reference

6

_______________________________________________________________________________________

Chip Information

TRANSISTOR COUNT: 60

PROCESS: BiCMOS

Package Information

For the latest package outline information and land patterns, go

the package code indicates RoHS status only. Package draw-

ings may show a different suffix character, but the drawing per-

tains to the package regardless of RoHS status.

PACKAGE TYPE

PACKAGE CODE

DOCUMENT NO.

3 SC70-3

X3-2

21-0075

3 SOT23-3

U3-1

21-0051