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NCP1207DR2 from ON,ON Semiconductor

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NCP1207DR2

Manufacturer: ON

PWM Current-Mode Controller for Quasi-Resonant Operation

Partnumber Manufacturer Quantity Availability
NCP1207DR2 ON 552 In Stock

Description and Introduction

PWM Current-Mode Controller for Quasi-Resonant Operation The **NCP1207DR2** is a highly efficient, fixed-frequency current-mode PWM controller designed for offline power supply applications. Manufactured by ON Semiconductor, this IC is widely used in AC-DC converters, adapters, and auxiliary power supplies due to its robust performance and compact design.  

Featuring a built-in high-voltage startup circuit, the NCP1207DR2 eliminates the need for an external startup resistor, enhancing efficiency and reducing component count. It operates in a quasi-resonant mode at light loads, minimizing switching losses and improving power conversion efficiency. The device also includes critical protection mechanisms such as overcurrent protection (OCP), overload detection, and latch-off functionality for enhanced system reliability.  

With a fixed switching frequency of up to 100 kHz, the NCP1207DR2 ensures stable operation while maintaining low electromagnetic interference (EMI). Its current-mode control architecture provides excellent line and load regulation, making it suitable for a variety of power supply designs.  

Packaged in an SOIC-8 form factor, the NCP1207DR2 is ideal for space-constrained applications. Its combination of performance, protection features, and ease of integration makes it a preferred choice for designers seeking a dependable PWM controller for offline power conversion.

Application Scenarios & Design Considerations

PWM Current-Mode Controller for Quasi-Resonant Operation

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