TLE4309

Datasheet

5

Rev. 1.0, 2007-03-20

Note: Within the functional range the IC operates as described in the circuit description.

The electrical characteristics are specified within the conditions given in the

related electrical characteristics table

.

Table 3

Operating Range

Parameter

Symbol

Limit Values

Unit

Remarks

Min.

Max.

Input voltage

V

I

4.5

24

V

–

PWM / ENABLE voltage

V

PWM

024

V

–

Junction temperature

T

j

-40

150

°C–

Reference resistor

R

REF

01.8

Ω

–

Table 4

Thermal Resistance

Parameter

Symbol

Typical

Limit Values

Unit

Remarks

Junction ambient

R

thja

78

K/W

Footprint only

1)

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

horizontal position, zero airflow.

52

K/W

300mm

39

K/W

600mm

Junction case

R

thjc

3K/W

–