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NCP1203P100 from ON,ON Semiconductor

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NCP1203P100

Manufacturer: ON

PWM Current-Mode Controller for Universal Off-Line Supplies Featuring Standby and Short Circuit Protection

Partnumber Manufacturer Quantity Availability
NCP1203P100 ON 16355 In Stock

Description and Introduction

PWM Current-Mode Controller for Universal Off-Line Supplies Featuring Standby and Short Circuit Protection The **NCP1203P100** is a high-performance current-mode PWM controller designed for offline power supply applications. This integrated circuit (IC) is widely used in switch-mode power supplies (SMPS) due to its efficiency, reliability, and advanced control features.  

Operating with a fixed 100 kHz switching frequency, the NCP1203P100 ensures stable performance while minimizing electromagnetic interference (EMI). It incorporates a built-in high-voltage startup circuit, reducing the need for external components and simplifying design. The IC also features an adjustable overcurrent protection (OCP) threshold, enhancing system safety.  

One of its key advantages is its ability to operate in both continuous and discontinuous conduction modes, making it suitable for a variety of power supply topologies, including flyback and forward converters. The device includes a skip-cycle mode at light loads, improving efficiency under low-power conditions.  

With its compact SOIC-8 package, the NCP1203P100 is ideal for space-constrained applications. Its robust design ensures reliable operation in demanding environments, making it a preferred choice for industrial, consumer, and telecom power supplies.  

Engineers value the NCP1203P100 for its ease of integration, precise regulation, and cost-effective solution for offline power conversion. Its combination of performance and versatility makes it a dependable component in modern power supply designs.

Application Scenarios & Design Considerations

PWM Current-Mode Controller for Universal Off-Line Supplies Featuring Standby and Short Circuit Protection

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