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NCP1217P133 from ON,ON Semiconductor

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NCP1217P133

Manufacturer: ON

Enhanced PWM Current-Mode Controller for High-Power Universal Off-Line Supplies

Partnumber Manufacturer Quantity Availability
NCP1217P133 ON 68 In Stock

Description and Introduction

Enhanced PWM Current-Mode Controller for High-Power Universal Off-Line Supplies The **NCP1217P133** is a high-performance current-mode PWM controller designed for offline power supply applications. This integrated circuit (IC) is part of ON Semiconductor's NCP1217 series, known for its reliability and efficiency in switch-mode power supplies (SMPS).  

Featuring a fixed 133 kHz operating frequency, the NCP1217P133 ensures stable switching performance while minimizing electromagnetic interference (EMI). Its current-mode control architecture provides excellent line and load regulation, making it suitable for AC-DC converters, adapters, and auxiliary power supplies.  

Key features include built-in soft-start functionality, which reduces inrush current during startup, and an automatic recovery latch for overcurrent protection (OCP). The device also incorporates a skip-cycle mode at light loads, enhancing energy efficiency. With a wide input voltage range and low standby power consumption, the NCP1217P133 is ideal for energy-conscious designs.  

Housed in a compact 8-pin PDIP package, the IC is robust and easy to integrate into various power supply topologies, including flyback and forward converters. Engineers value its simplicity, reliability, and compliance with modern power efficiency standards.  

Overall, the NCP1217P133 is a versatile solution for designers seeking a dependable PWM controller for cost-effective, high-efficiency power conversion systems.

Application Scenarios & Design Considerations

Enhanced PWM Current-Mode Controller for High-Power Universal Off-Line Supplies

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