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NCP1217AD100R2G from ON,ON Semiconductor

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NCP1217AD100R2G

Manufacturer: ON

Enhanced PWM Current−Mode Controller for High−Power Universal Off−Line Supplies

Partnumber Manufacturer Quantity Availability
NCP1217AD100R2G ON 20000 In Stock

Description and Introduction

Enhanced PWM Current−Mode Controller for High−Power Universal Off−Line Supplies # Introduction to the NCP1217AD100R2G  

The **NCP1217AD100R2G** is a high-performance current-mode PWM controller designed for offline power supply applications. Manufactured by ON Semiconductor, this IC is widely used in switch-mode power supplies (SMPS) due to its efficiency, reliability, and advanced protection features.  

Operating with a fixed switching frequency of 100 kHz, the NCP1217AD100R2G ensures stable performance in flyback and forward converter topologies. Its current-mode control architecture enhances transient response and simplifies loop compensation, making it suitable for AC-DC adapters, auxiliary power supplies, and industrial power systems.  

Key features include built-in brown-out protection, overvoltage protection (OVP), and a latch-off function for fault conditions. The device also incorporates a skip-cycle mode at light loads to improve efficiency, reducing standby power consumption. With a wide input voltage range and low startup current, the NCP1217AD100R2G is optimized for both universal mains and battery-powered applications.  

Available in an SOIC-8 package, this controller offers a compact and robust solution for designers seeking high power density and cost-effective performance. Its integration of essential functions minimizes external component count, streamlining circuit design while maintaining high reliability.  

The NCP1217AD100R2G is an excellent choice for engineers developing efficient and compact power supplies across various industries.

Application Scenarios & Design Considerations

Enhanced PWM Current−Mode Controller for High−Power Universal Off−Line Supplies

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