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NCP1217D100R2 from ON,ON Semiconductor

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NCP1217D100R2

Manufacturer: ON

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

Partnumber Manufacturer Quantity Availability
NCP1217D100R2 ON 27 In Stock

Description and Introduction

Enhanced PWM Current-Mode Controller for High-Power Universal Off-Line Supplies The **NCP1217D100R2** is a high-performance current-mode PWM controller designed for offline power supply applications. This integrated circuit (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 NCP1217D100R2 ensures stable performance in flyback and forward converter topologies. It incorporates a built-in high-voltage startup circuit, reducing the need for external components and simplifying design. The current-mode control architecture enhances transient response and improves loop stability, making it suitable for a variety of power conversion needs.  

Key features include adjustable soft-start, cycle-by-cycle current limiting, and latch-free operation with auto-recovery overload protection. The device also supports low standby power consumption, aligning with modern energy efficiency standards.  

With a robust design that withstands voltage fluctuations and thermal stress, the NCP1217D100R2 is ideal for applications such as AC-DC adapters, auxiliary power supplies, and industrial power systems. Its compact SOIC-8 package ensures easy integration into space-constrained designs while maintaining high thermal performance.  

Engineers favor this controller for its balance of simplicity and advanced functionality, making it a dependable choice for efficient power management solutions.

Application Scenarios & Design Considerations

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

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