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Quasi Resonant CoolSET™ Power ICs are optimized for off-line switch power supplies in cascode configurations. The ICs are housed in single packages with two separate chips; one is a controller chip and the other is an HV MOSFET chip. The ICs can achieve lower EMI and higher efficiency with improved digital frequency reduction through the proprietary novel Quasi Resonant operation. The enhanced Active Burst Mode enables flexibility in standby power range selection. The product has a wide operation range (10 ~ 25.5V) of IC power supply and lower power consumption.
Integrated power IC
650V /800V avalanche rugged CoolMOS™
650V /800V startup cell
Digital frequency reduction with decreasing load
Cycle-by-cycle current limitation with fold-back correction
Built-in digital soft-start
Active Burst Mode for lowest standby power <50mW
Latch-off mode for short-winding and output voltage
Enhanced integrated protection functions
Modulated gate drive
Auxiliary power supply for Home Appliances/white Goods, TV, PC & Server