NCP1200D60R2G Datasheet

PWM Current-Mode Controller for Low-Power Universal Off-Line Supplies


Housed in SOIC−8 or PDIP−8 package, the NCP1200 represents a major leap toward ultra−compact Switchmode Power Supplies. Due to a novel concept, the circuit allows the implementation of a complete offline battery charger or a standby SMPS with few external components. Furthermore, an integrated output short−circuit protection lets the designer build an extremely low−cost AC−DC wall adapter associated with a simplified feedback scheme.

•No Auxiliary Winding Operation
•Internal Output Short−Circuit Protection
•Extremely Low No−Load Standby Power
•Current−Mode with Skip−Cycle Capability
•Internal Leading Edge Blanking
•250 mA Peak Current Source/Sink Capability
•Internally Fixed Frequency at 40 kHz, 60 kHz and 100 kHz
•Direct Optocoupler Connection
•Built−in Frequency Jittering for Lower EMI
•SPICE Models Available for TRANsient and AC Analysis
•Internal Temperature Shutdown
•These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS Compliant

Typical Applications
•AC−DC Adapters
•Offline Battery Chargers
•Auxiliary/Ancillary Power Supplies (USB, Appliances, TVs, etc.)



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Manufacturer information


ON Semiconductor - ON Semiconductor (Nasdaq: ON) is driving energy efficient innovations, empowering customers to reduce global energy use. The company offers a comprehensive portfolio of energy efficient power and signal management, logic, discrete and custom solutions to help design engineers solve their unique design challenges in automotive, communications, computing, consumer, industrial, LED lighting, medical, military/aerospace and power supply applications. ON Semiconductor operates a responsive, reliable, world-class supply chain and quality program, and a network of manufacturing facilities, sales offices and design centers in key markets throughout North America, Europe, and the Asia Pacific regions.

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