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UC2854BDWTR +BOM

UC2854BDWTR: Power Factor Correction for High Power Systems

Manufacturer:

Texas Instruments
Mfr.Part #:

UC2854BDWTR
Datasheet:

UC2854BDWTR Datasheet (PDF)
Topology:

Boost
Control Mode:

CCM
Switching Frequency (max) (kHz):

200
UVLO Thresholds On/off (V):

10.5/10
EDA/CAD Models:

Request Free CAD Models for UC2854BDWTR

Email: [email protected]

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UC2854BDWTR General Description

Designed for active power factor corrected preregulators, the UC3854A/B is a versatile and reliable controller that offers a wide range of features to enhance performance. With a focus on maintaining stable, low distortion sinusoidal line current, this product utilizes average current mode control to achieve near unity power factor. The inclusion of a 1%, 7.5-V reference, fixed frequency oscillator, PWM, voltage amplifier with soft-start, and input supply voltage clamp ensures that the UC3854A/B meets the demands of modern power factor correction applications. Available in various package options, this controller is suitable for a wide range of design scenarios

Key Features

This PWM controller has a wide operating range of 8V to 35V.
It offers precise control for efficient power management.
This device features built-in current sensing for overcurrent protection.
Its programmable soft start and UVLO provide flexible operation.

Application

Efficient power control
Reliable motor drive
Robust power supply

Specifications

Topology	Boost	Control mode	CCM
Switching frequency (max) (kHz)	200	UVLO thresholds on/off (V)	10.5/10
Vin (max) (V)	20	Features	> 750 W applications, Average current mode, Continuous Control Mode, Enable, Undervoltage protection
Rating	Catalog	Operating temperature range (°C)	-40 to 85
Duty cycle (max) (%)	95