TLE 4252
Table 3
Operating Range
Parameter
Symbol
Limit Values Unit Remarks
Min. Typ. Max.
In- and Output Voltage
Supply voltage
VI
Enable input voltage VEN
Adjust input voltage VADJ
Adjust input voltage VADJ
Error amplifier
CMR
common mode range
Temperature
3.5 –
0
–
1.5 –
0
–
1.5 –
40 V
40 V
40 V
1.5 V
VI - V
0.5
VI > VADJ + Vdr
–
–
VQ ≤ VADJ + ΔVQ
VQ ≤ VADJ + ΔVQ with
VFB = VQ
Junction temperature Tj
-40 –
Thermal Resistance PG-TO252-5-11
Junction to ambient Rthj-a
–
–
Junction to ambient Rthj-a
–
–
150 °C –
144 K/W Footprint only1)
78 K/W Heat sink area
300 mm2 1)
Junction to ambient Rthj-a
–
–
55 K/W Heat sink area
600 mm2 1)
Junction to case
Rthj-c
–
–
2
K/W –
1) Worst case regarding peak temperature; zero airflow; mounted on FR4; 80 × 80 × 1.5 mm3; 35 μ Cu; 5 μ Sn
Note: Within this operating range the IC is functional. The electrical characteristics,
however, are not guaranteed over this full range given above.
Data Sheet
5
Rev. 1.4, 2007-03-20