7
dc2111aabf
DEMO MANUAL
DC2111A-A/B
Quick start proceDure
70
75
80
EFFICIENCY (%)
LOAD CURRENT (A)
85
90
95
40
60
80
100
20
0
dc2111aab F06
10V
IN
12V
IN
14V
IN
EACH PHASE:
DrMOS = FDMF5820DC, BOOST R = 0Ω
L = WURTH 744301033 (0.33µH, 0.32mΩ)
HOT SWAP CIRCUIT: LTC4226-1 WITH FDMS86500DC
IDEAL DIODES: LTC4352 WITH BSC010NE2LS
DrMOS BIAS = 5.6V
BIAS POWER INCLUDED IN EFFICIENCY MEASUREMENT
75
80
85
EFFICIENCY (%)
LOAD CURRENT (A)
90
95
100
40
60
80
100
120
140
20
0
dc2111aab F07
EACH PHASE:
DrMOS = FDMF5820DC, BOOST R = 0Ω
L = WURTH 744301033 (0.33µH, 0.32mΩ)
DrMOS BIAS = 5.6V
BIAS POWER INCLUDED IN EFFICIENCY MEASUREMENT
10V
IN
12V
IN
14V
IN
Figure 6. Efficiency Curves for the 1.2V/90A Converter with N+1 MOSFET Failure Protection. No Airflow.
Figure 7. Efficiency Curves for the 1.2V/120A High Efficiency Converter. No Airflow.
