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NCP1237AD65R2G from ON,ON Semiconductor

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NCP1237AD65R2G

Manufacturer: ON

Fixed Frequency Current Mode Controller for Flyback Converters

Partnumber Manufacturer Quantity Availability
NCP1237AD65R2G ON 10000 In Stock

Description and Introduction

Fixed Frequency Current Mode Controller for Flyback Converters The **NCP1237AD65R2G** is a high-performance current-mode PWM controller designed for offline power supply applications. This integrated circuit (IC) offers advanced features to enhance efficiency, reliability, and performance in switch-mode power supplies (SMPS).  

Engineered for flyback and forward converter topologies, the NCP1237AD65R2G operates with a fixed switching frequency of 65 kHz, ensuring stable and consistent power delivery. It incorporates critical protection mechanisms, including over-voltage protection (OVP), over-current protection (OCP), and brown-out detection, safeguarding connected systems from electrical faults.  

Key features include a built-in soft-start function to minimize inrush current, reducing stress on components during startup. Its current-mode control architecture improves transient response and simplifies feedback loop compensation. Additionally, the device supports frequency jittering to reduce electromagnetic interference (EMI), making it suitable for noise-sensitive applications.  

With a wide input voltage range and low standby power consumption, the NCP1237AD65R2G is ideal for AC-DC adapters, LED drivers, and auxiliary power supplies. Its compact SOIC-8 package ensures easy integration into space-constrained designs while maintaining thermal efficiency.  

Overall, the NCP1237AD65R2G delivers robust performance, making it a reliable choice for modern power conversion systems.

Application Scenarios & Design Considerations

Fixed Frequency Current Mode Controller for Flyback Converters

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