TLE6389_07 Datasheet, PDF (9/38 Pages) Infineon Technologies AG – Step-Down DC/DC Controller

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