NCP1217D65R2GManufacturer: ON Enhanced PWM current-mode controller for high-power universal off-line supplies. 65 kHz. | |||
| Partnumber | Manufacturer | Quantity | Availability |
|---|---|---|---|
| NCP1217D65R2G | ON | 10000 | In Stock |
Description and Introduction
Enhanced PWM current-mode controller for high-power universal off-line supplies. 65 kHz. # Introduction to the NCP1217D65R2G  
The **NCP1217D65R2G** is a high-performance current-mode PWM controller designed for offline power supply applications. Manufactured by ON Semiconductor, this integrated circuit (IC) is widely used in switch-mode power supplies (SMPS) due to its efficiency, reliability, and compact design.   Featuring a fixed-frequency operation of 65 kHz, the NCP1217D65R2G ensures stable switching performance while minimizing electromagnetic interference (EMI). Its current-mode control architecture enhances transient response and simplifies loop compensation, making it suitable for flyback and forward converter topologies.   Key features include built-in brown-out protection, overvoltage protection (OVP), and a latch-off function for fault conditions, ensuring robust system safety. The IC also integrates a high-voltage startup circuit, reducing external component count and improving cost efficiency.   With a low standby power consumption and an optimized start-up sequence, the NCP1217D65R2G is ideal for energy-efficient applications such as AC-DC adapters, auxiliary power supplies, and industrial power systems. Its compact SOIC-8 package makes it suitable for space-constrained designs.   Engineers favor this component for its balance of performance, protection features, and ease of implementation in power conversion circuits. Whether for consumer electronics or industrial applications, the NCP1217D65R2G provides a reliable solution for modern power supply designs. |
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Application Scenarios & Design Considerations
Enhanced PWM current-mode controller for high-power universal off-line supplies. 65 kHz.
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