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NCP1381 Datasheet PDF

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.
Part No. NCP1381
Datasheet NCP1381 Download
Manufacturer
onsemi
Description Low Standby High Performance PWM Controller
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NCP1381 datasheet page 1 preview

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...
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