Datasheet

TLE 6389
Datasheet Rev. 2.1 9 2007-08-13
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.
3 Operating Range
Item Parameter Symbol Limit Values Unit Remarks
min. max.
3.1 Supply voltage range V
VS
5 60 V
3.2 Output voltage adjust
range TLE
6389-2 GV
V
OUT
7 15 V TLE 6389-2 GV
3.3 Sense Resistor R
SENSE
10 47 mΩ Calculation see
section 7
3.4 PMOS, on+off delay t
on+off
delay
- t
min
-
300
1)
ns t
min
= V
VOUT
/
(V
VS
*f
SW
)
3.5 Buck driver supply
capacitor
C
BDS
220 - nF
3.6 Buck inductance L1 47 - µH recommended
value
3.7 Buck inductance L1 22 100 µH
3.8 Buck output capacitor C
OUT
100 - µF
3.9 Junction temperature T
j
– 40 150 °C
Thermal Resistance
3.10 Junction ambient R
thj-a
140 K/W Footprint only
3.11 Junction pin R
thj-p
50 K/W –
1)
A too high PMOS on+off delay might cause an instable output voltage