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NCP1203D100R2G from ON,ON Semiconductor

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NCP1203D100R2G

Manufacturer: ON

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

Partnumber Manufacturer Quantity Availability
NCP1203D100R2G ON 1214 In Stock

Description and Introduction

PWM Current-Mode Controller for Universal Off-Line Supplies Featuring Standby and Short Circuit The **NCP1203D100R2G** is a high-performance pulse-width modulation (PWM) current-mode controller designed for offline power supply applications. This integrated circuit (IC) is engineered to deliver efficient and reliable power conversion in switch-mode power supplies (SMPS), making it suitable for a variety of consumer and industrial electronics.  

Featuring a fixed-frequency operation of 100 kHz, the NCP1203D100R2G ensures stable performance while minimizing electromagnetic interference (EMI). Its current-mode control architecture enhances transient response and simplifies loop compensation, improving overall system reliability. The device incorporates an advanced high-voltage startup circuit, reducing standby power consumption—a critical factor in energy-efficient designs.  

Key protections include overvoltage (OVP), overload (OLP), and short-circuit safeguards, ensuring robust operation under fault conditions. The NCP1203D100R2G also supports frequency modulation to further reduce EMI emissions.  

Housed in a compact SOIC-8 package, this controller is well-suited for space-constrained applications such as AC-DC adapters, LED drivers, and auxiliary power supplies. With its combination of precision control, safety features, and energy efficiency, the NCP1203D100R2G is a dependable choice for modern power management solutions.

Application Scenarios & Design Considerations

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

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