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Updated at 17/06/2025 10:30:15(UTC+8)
Certifications
ManyChip is committed to product quality and safety with ISO 9001, ISO 13485, ISO 45001, UL, RoHS, CQC and REACH certifications.
Description
- QUASI−RESONANT PWM CONTROLLER FOR HIGH POWER AC−DC WALL ADAPTERS
- The NCP1380 hosts a high−performance circuitry aimed to powering quasi−resonant converters. Capitalizing on a proprietary valley−lockout system, the controller shifts gears and reduces the switching frequency as the power loading becomes lighter. This results in a stable operation despite switching events always occurring in the drain−source valley. This system works down to the 4th valley and toggles to a variable frequency mode beyond, ensuring an excellent standby power performance.
- Features
- •Quasi−Resonant Peak Current−Mode Control Operation
- •Valley Switching Operation with Valley−Lockout for Noise−Immune Operation
- •Frequency Foldback at Light Load to Improve the Light Load Efficiency
- •Adjustable Over Power Protection
- •Auto−Recovery or Latched Internal Output Short−Circuit Protection
- •Fixed Internal 80 ms Timer for Short−Circuit Protection
- •Combined Overvoltage and Overtemperature Protection (A and B Versions)
- •Combined Overvoltage Protection and Brown−Out (C and D Versions)
- •+500 mA / −800 mA Peak Current Source/Sink Capability
- •Internal Temperature Shutdown
- •Direct Optocoupler Connection
- •Extended VCCRange Operation Up to 28 V
- •Extremely Low No−Load Standby Power
- •SO−8 Package
- •These Devices are Pb−Free and are RoHS Compliant
- Typical Applications
- •High Power ac−dc Converters for TVs, Set−Top Boxes etc.
- •Offline Adapters for Notebooks
Order guide
-
TT in advance (bank transfer), Western Union, Credit card,
PayPal. Customer is responsible for shipping fee, bank
charges, duties and taxes.
-
- You can choose whether shipping charges will be charged through your shipping account or by us.
- Please confirm with the logistics company in advance for remote areas.
(Additional charges ($35-$50) may apply for delivery in these areas)
- Delivery date: usually 2 to 7 working days.
- A tracking number will be sent after your order ships.
- - Carefully inspected and packed by ManyChip warehouse - Vacuum packaging - Anti-static packaging - Shockproof foam
- The terms here are for reference only, the actual terms are subject to the sales quotation. - Please confirm product specifications when ordering. - MOQ refers to the minimum order quantity required to purchase each part. - If you have special ordering instructions, please indicate them on the ordering page. - Inspection (PSI) will be performed prior to shipment.
- - Income Quality Control (IQC), 1000+ qualified dealers. - Chips are tested by authoritative organizations to ensure the quality, authenticity and safety of your device. - Decapsulation control - X-ray control - XRF inspection - Electrical testing - Surface testing -Digital components warehouse, covering an area of 800 square meters, with constant temperature and humidity
Contact Us
If you have any problem,please email to sales@manychip.com, we will response as soon as possisble.
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