TLE 4476

Data Sheet

5

Rev. 2.5, 2007-03-20

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

Table 3

Operating Range

Parameter

Symbol

Limit Values

Unit

Remarks

Min.

Max.

Output 1 input voltage

V

I1

4.5

42

V

1)

Output 2 input voltage

V

I1

5.7

42

V

2)

3.3 V regulator

output current

I

O1

0350

mA

–

5 V regulator

output current

I

O2

0430

mA

–

Junction temperature

T

j

-40

170

°C

3)

Thermal Resistances

Junction case

R

th,j-case

–3K/W

–

Junction ambient

R

th,j-a

–80

K/W

4)

1) Input voltage

V

2) Input voltage

V

3) The overtemperature protection is set to > 170

°C. The voltage regulator may not be operated continuously at

170

°C as device reliability will be reduced to 500 h statistic lifetime.

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

5