NCP1378DR2GManufacturer: ON PWM Current−Mode Controller for Free−Running Quasi−Resonant Operation | |||
| Partnumber | Manufacturer | Quantity | Availability |
|---|---|---|---|
| NCP1378DR2G | ON | 120 | In Stock |
Description and Introduction
PWM Current−Mode Controller for Free−Running Quasi−Resonant Operation The **NCP1378DR2G** is a high-performance current-mode PWM controller designed for offline power supply applications. This integrated circuit (IC) is engineered to deliver efficient and reliable power conversion in flyback and quasi-resonant topologies, making it suitable for adapters, chargers, and auxiliary power supplies.  
Featuring a proprietary valley-switching mechanism, the NCP1378DR2G minimizes switching losses, improving overall efficiency while reducing electromagnetic interference (EMI). Its built-in protections include overvoltage (OVP), overload (OLP), and brownout detection, ensuring robust operation under varying load conditions.   The controller operates in a fixed-frequency mode at light loads and transitions to a quasi-resonant mode at higher loads, optimizing performance across different power demands. With a wide input voltage range and low standby power consumption, the NCP1378DR2G meets modern energy efficiency standards.   Housed in an SOIC-8 package, this component is compact and suitable for space-constrained designs. Its versatility and advanced control features make it a preferred choice for engineers developing cost-effective, high-efficiency power solutions.   For detailed specifications, refer to the official datasheet to ensure proper implementation in your design. |
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Application Scenarios & Design Considerations
PWM Current−Mode Controller for Free−Running Quasi−Resonant Operation
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