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NCP1351BDR2G from ON,ON Semiconductor

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NCP1351BDR2G

Manufacturer: ON

Variable Off Time PWM Controller

Partnumber Manufacturer Quantity Availability
NCP1351BDR2G ON 388 In Stock

Description and Introduction

Variable Off Time PWM Controller The **NCP1351BDR2G** is a highly efficient, fixed-frequency current-mode PWM controller designed for offline power supply applications. This integrated circuit (IC) is engineered to provide precise regulation and robust performance in AC-DC converters, making it suitable for a wide range of power management systems.  

Featuring a built-in high-voltage startup circuit, the NCP1351BDR2G minimizes external component count, simplifying design while improving reliability. Its fixed-frequency operation ensures stable performance across varying load conditions, reducing electromagnetic interference (EMI) and enhancing efficiency. The controller includes critical protection features such as overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown, safeguarding both the IC and the power supply system.  

With its current-mode control architecture, the NCP1351BDR2G delivers excellent transient response and tight output voltage regulation. It operates over a wide input voltage range, making it adaptable for universal mains applications. The device is available in a compact SOIC-8 package, optimizing board space while maintaining thermal performance.  

Ideal for adapters, LED drivers, and auxiliary power supplies, the NCP1351BDR2G combines high performance with design flexibility, meeting the demands of modern power electronics.

Application Scenarios & Design Considerations

Variable Off Time PWM Controller

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