NCP1200D40R2Manufacturer: ON, MOTOROLA PWM Current-Mode Controller for Low-Power Universal Off-Line Supplies |
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| Partnumber | Manufacturer | Quantity | Availability |
|---|---|---|---|
| NCP1200D40R2 | ON, MOTOROLA | 522 | In Stock |
Description and Introduction
PWM Current-Mode Controller for Low-Power Universal Off-Line Supplies The **NCP1200D40R2** is a high-performance, fixed-frequency current-mode PWM controller designed for offline power supply applications. This integrated circuit (IC) is engineered to deliver efficient and reliable power conversion, making it suitable for a variety of AC-DC power supplies, including adapters, auxiliary power sources, and standby circuits.  
Operating at a fixed frequency of 40 kHz, the NCP1200D40R2 ensures stable switching performance while minimizing electromagnetic interference (EMI). Its current-mode control architecture enhances transient response and simplifies loop compensation, contributing to improved system reliability. The IC features an integrated high-voltage startup circuit, reducing external component count and lowering overall system costs.   Key attributes include built-in brownout protection, overvoltage protection (OVP), and a latch function for fault conditions, ensuring safe operation under adverse conditions. The device also incorporates a skip-cycle mode at light loads, enhancing efficiency across varying power demands.   With its compact SOIC-8 package, the NCP1200D40R2 is well-suited for space-constrained designs. Its robust performance, combined with essential protection features, makes it a dependable choice for designers seeking a cost-effective, high-efficiency power management solution. |
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Application Scenarios & Design Considerations
PWM Current-Mode Controller for Low-Power Universal Off-Line Supplies
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Alternative Part Number
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