MB39C308 Datasheet, PDF (25/60 Pages) Fujitsu Component Limited. – 6ch DC/DC Converter IC for LPIA Platform VR

MB39C308
• Power Loss Curve for each channel
CH1 Output Current vs. Power Loss
1.8
VIN=7.2 V
1.5 _{Vo1=5.0 V}
Si7212DN using
1.2
0.9
Thermal design point
0.6
External FET loss is excluded.
0.3
0
0
1
2
3
4
5
CH1 Output Current (A)
CH3 Output Current vs. Power Loss
1.8
1.5
VIN=7.2 V
Vo3=1.8 V/1.5 V
1.2
Vo3=1.5 V
Vo3=1.8 V
0.9
Thermal design point
0.6
0.3
0
0
1
2
3
4
5
CH3 Output Current (A)
CH5 Output Current vs. Power Loss
1.8
1.5
VIN=7.2 V
Vo5=1.5 V
1.2
0.9
Thermal design point
0.6
0.3
0
0
1
2
3
4
5
CH5 Output Current (A)
CH2 Output Current vs. Power Loss
1.8
VIN=7.2 V
1.5 _{Vo2=3.3 V}
1.2
Si7212DN (2-para)
using
0.9 _{Thermal design point}
External FET loss
0.6
is excluded.
0.3
0
0
1
2
3
4
5
CH2 Output Current (A)
CH4 Output Current vs. Power Loss
1.8
1.5
VIN=7.2 V
Vo4=0.9 V/0.75 V
1.2
Vo4=0.9 V
Vo4=0.75 V
0.9
0.6 Thermal design point
0.3
0
0
1
2
3
4
5
CH4 Output Current (A)
CH6 Output Current vs. Power Loss
1.8
1.5
VIN=7.2 V
Vo6=1.1 V/1.05 V
1.2
Vo6=1.1 V
Vo6=1.05 V
0.9
Thermal design point
0.6
0.3
0
0
1
2
3
4
5
CH6 Output Current (A)
DS04-27261-6E
25