As notebook PCs grow smaller and more mobile, adapters for notebook PCs are becoming increasingly more efficient and compact. Meanwhile, adapter capacities are increasing through the use of high-performance CPUs in notebook PCs.
Below, we showcase Fuji Electric semiconductors that are optimal for notebook-PC adapters.
| Off Line Converter | Secondary rectification | |
| Control IC | MOSFET | Diode |
| +19V devices | ||
|
PWM-IC Quasi-resonant IC |
600V 650V 700V |
90/100VSBD 120VSBD 150VSBD 200VLLD |
| PFC Circuit | Off Line Converter | Secondary rectification | ||||
| Control IC | MOSFET | Diode | Control IC | MOSFET | Diode | |
| +19V devices | ||||||
|
ICs for PFC |
500V 600V 650V |
SuperLLD2 (DCM) SuperLLD3 (CCM) |
PWM-IC |
600V 650V 700V |
90/100VSBD 120VSBD 150VSBD 200VLLD |
|
| PFC Circuit | Off Line Converter | Secondary rectification | |||||
| Control IC | MOSFET | Diode | Control IC | MOSFET | Synchronous rectifiers | ||
| +19V devices | |||||||
|
ICs for PFC |
500V 600V 650V |
SuperLLD2 (DCM) SuperLLD3 (CCM) |
Quasi-resonant IC |
600V 650V 700V |
100V Trench MOS |
||
The high-performance CPUs in today's desktop PCs require high-capacity power supplies, and this makes it necessary to improve the power efficiency as well. In particular, methods with efficiencies of 80% or better are being considered.
Below, we showcase Fuji Electric semiconductors that are optimal for desktop-PC power supplies.
| PFC Circuit | Off Line Converter | Secondary rectification | ||||||
| Control IC |
MOSFET | Diode | Control IC |
MOSFET | Diode | Synchronous rectifiers | ||
| +12V devices |
+5V devices |
+3.3V devices |
+12V devices |
|||||
|
ICs for PFC |
500V 600V 650V |
SuperLLD2 (DCM) SuperLLD3 (CCM) |
PWM-IC Quasi-resonant IC |
900V |
80VSBD 90/100VSBD 120VSBD 150VSBD 200VLLD |
30VSBD 40/45VSBD |
30VSBD |
100V Trench MOS |
| PFC Circuit | Off Line Converter | Secondary rectification | ||||||
| Control IC |
MOSFET | Diode | Control IC |
MOSFET | Diode | Synchronous rectifiers | ||
| +12V devices |
+5V devices |
+3.3V devices |
+12V devices |
|||||
|
ICs for PFC |
500V 600V 650V |
SuperLLD2 (DCM) SuperLLD3 (CCM) |
PWM-IC Quasi-resonant IC |
500V 600V 650V |
80VSBD 90/100VSBD 120VSBD 150VSBD 200VLLD |
30VSBD 40/45VSBD |
30VSBD |
100V Trench MOS |