Table 4

Thermal Resistance

Parameter

Symbol

Limit Values

Unit

Remarks

Min.

Max.

Junction case

R

thj-c

–

8

K/W

–

Junction ambient

R

thj-a

–

80

K/W

TO252

1) Worst case, regarding peak temperature; zero airflow; mounted on a PCB FR4, 80

1)

Junction ambient

R

thj-a

–

55

K/W

TO263

2) Worst case, regarding peak temperature; zero airflow; mounted on a PCB FR4, 80

2)

TLE 7276

Data Sheet

5

Rev. 1.0, 2005-02-05

Note: In the operating range, the functions given in the circuit description are fulfilled.