UC3854N

UC3854N 일반적인 설명

Texas Instruments' UC3854N stands out as a high-performance power factor correction controller specifically designed for use in continuous conduction mode boost PFC converters. This 16-pin dual in-line package boasts a high level of integration, featuring a precision reference, an oscillator, built-in soft-start, and overvoltage protection circuitry. With its wide input voltage range and capability to achieve power factor correction of up to 0.99, it is a versatile solution for various applications. Utilizing peak current-mode control, it ensures tight output voltage regulation and responsive transient response, while its programmable functions for setting switching frequency and current limit values provide flexibility in design

특징

• Soft start capability for easy start-up
• PWM controller with programmable frequency
• Suitable for motor drives and PFC applications
• Excellent thermal performance for reliability
• Overcurrent protection to prevent damage

애플리케이션

• Top choice for power factor correction
• Versatile and highly efficient
• Perfect for LED drivers

명세서

매개변수	값	매개변수	값
Topology	Boost	Control mode	CCM
Switching frequency (max) (kHz)	200	UVLO thresholds on/off (V)	16/10
Vin (max) (V)	30	Features	Average current mode, Continuous Control Mode, Enable
Rating	Catalog	Operating temperature range (°C)	0 to 70
Duty cycle (max) (%)	95