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NCP1651DR2 from ON,ON Semiconductor

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NCP1651DR2

Manufacturer: ON

Single Stage Power Factor Controller

Partnumber Manufacturer Quantity Availability
NCP1651DR2 ON 2344 In Stock

Description and Introduction

Single Stage Power Factor Controller The NCP1651DR2 is a high-performance, fixed-frequency current-mode PWM controller designed for offline power supply applications. This integrated circuit (IC) is engineered to provide precise regulation and efficient power conversion in AC-DC adapters, LED drivers, and auxiliary power supplies.  

Operating with a fixed switching frequency up to 250 kHz, the NCP1651DR2 ensures stable performance while minimizing electromagnetic interference (EMI). Its current-mode control architecture enhances transient response and simplifies loop compensation, making it suitable for a wide range of power supply designs. The device includes essential protection features such as overvoltage protection (OVP), undervoltage lockout (UVLO), and cycle-by-cycle current limiting to safeguard against fault conditions.  

Housed in an SOIC-8 package, the NCP1651DR2 offers a compact footprint, ideal for space-constrained applications. Its low startup current and minimal standby power consumption contribute to energy-efficient operation, aligning with modern power-saving requirements.  

Engineers favor this controller for its reliability, ease of implementation, and robust performance in demanding environments. Whether used in consumer electronics or industrial systems, the NCP1651DR2 delivers consistent power regulation with minimal external components, streamlining design efforts while maintaining high efficiency.

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