onsemi NCP1381
the NCP1381 can drive large Qg MOSFETs. The controller accepts voltages up to 20 V and features an UVLO of 10 V typical. This pin directly powers the PFC controller by routing the PWM VCC to the PFC VCC.FEATURES
● Current--Mode Quasi--Resonant Operation● Adjustable Line Over Power Protection
● Extremely Low Startup Current of 15 mA Maximum
● Soft--Skip Cycle Capability at Adjustable Peak Currents
● Plateau Sensing Overvoltage
● Brown--Out Protection
● Maximum tON Limitation
● Overpower Protection by current Sense Offset
● Internal 5 ms Soft--Start Management
● Short--Circuit Protection Independent from Auxiliary Level
● External Latch Input Pin for an OTP Signal
● Go--To--Standby Signal for the PFC Front Stage
● True Frequency (tON + tOFF) Clamp Circuit
● Low and Noiseless, No--Load Standby Power
● Internal Leading Edge Blanking
● +500 mA / --800 mA Peak Current Drive Capability
● 5 V / 10 mA Reference Voltage
● These are Pb--Free Devices Typical
APPLICATIONS
● High Power AC/DC Adapters for Notebooks, etc● Offline Battery Chargers
● Set--Top Boxes Power Supplies, TV, Monitors, etc HIGH PERFORMANCE QR CONTROLLER FEATURING PFC SHUTDOWN 14 1 MARKING DIAGRAM 14 SOIC--14 D SUFFIX CASE 75...