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Texas Instruments Power Factor Pre-Regulator Circuit IC 118kHz 16-Pin SOIC 35V UC3854DW

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Texas Instruments Power Factor Pre-Regulator Circuit IC 118kHz 16-Pin SOIC 35V UC3854DW

Name: Texas Instruments Power Factor Pre-Regulator Circuit IC 118kHz 16-Pin SOIC 35V UC3854DW
Brand: Texas Instruments
SKU: 344374
Price: 5.97 USD
Availability: InStock

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Category Power Management IC Brand Texas Instruments Condition New

Specifications

Country of Origin	India
Brand	Texas Instruments
Height	2.35mm
Length	10.28mm
Model	UC3854DW
Mount Type	Surface
Maximum Operating Temperature	70°C
Package Type	SOIC
Sub Type	Power Factor Pre-Regulator Circuit
Minimum Operating Temperature	0°C
Switching Frequency	118kHz
Pin Count	16
Maximum Supply Voltage	35V
Minimum Supply Voltage	16V
Supply Current	10mA
Start-up Supply Current	1.5mA
Maximum Source Current	14μA

Key Features

Designed for power factor correction to achieve near unity power factor.
Operates with a supply voltage range from 16V to 35V for broad applications.
Includes advanced features like quantized voltage feed-forward and frequency dithering for enhanced performance.
Surface mount device with compact dimensions of 10.28mm length and 2.35mm height.
Supports a maximum operating temperature of 70°C and minimum of 0°C.
Start-up supply current is 1.5mA with a maximum source current of 14μA.
Supply current under operation is 10mA ensuring efficient power usage.
Designed using advanced control techniques to minimize current distortion and improve efficiency.

Product Description

Texas Instruments UC3854DW Power Factor Pre-Regulator Circuit IC is a high-performance semiconductor device designed for power factor correction (PFC) in power electronics. The IC operates at a switching frequency of 118 kHz and comes in a 16-pin Small Outline Integrated Circuit (SOIC) package, suitable for surface mounting on PCBs.

This PFC controller IC provides an effective solution to achieve near unity power factor, reducing harmonic distortion in AC-DC power conversion applications. It incorporates advanced features such as quantized voltage feed-forward, current synthesis, frequency dithering, and slew rate enhancement, delivering improved stability, efficiency, and low distortion sinusoidal line currents.

The device supports a supply voltage range from 16V minimum up to 35V maximum, ensuring compatibility with a wide range of power supplies. It features a start-up supply current of 1.5mA and a maximum source current of 14μA, allowing for low power consumption during operation. The operational supply current is typically 10mA, balancing power efficiency with control performance.

With physical dimensions of 10.28mm length and 2.35mm height, the UC3854DW IC fits compact designs in industrial, laboratory, and electronic equipment. It operates reliably within a temperature range from 0°C to 70°C, suitable for many ambient environments.

Compliance with IEC61000-3-2 harmonic current limit standards makes this IC optimal for power factor correction in both commercial and industrial AC-DC adapter and converter designs. It enables improved power quality, efficiency, and system performance in products requiring stringent power management controls.

Designed for near unity power factor and low distortion current control. Advanced quantized voltage feed-forward and frequency dithering techniques. Wide operating supply voltage range: 16V to 35V. Compact 16-pin SOIC surface mount package.

Start-up current 1.5mA, maximum source current 14μA. Operating current of 10mA for efficient performance. Operational temperature range from 0°C to 70°C. Compliant with IEC61000-3-2 standards for harmonic current limits.

Suitable for AC-DC power factor correction applications in industrial and commercial devices. Enables improved power quality and system efficiency. Explore the range of Power Management ICs and similar Texas Instruments semiconductor products at EnvMart for your electronic design requirements.

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Frequently Asked Questions

The UC3854DW operates with a supply voltage range from 16V to 35V, making it compatible with a variety of power supplies.

This model operates at a switching frequency of 118 kHz, which is suitable for power factor correction applications.

The dimensions of the UC3854DW are 10.28mm in length and 2.35mm in height, allowing for compact integration in electronic designs.

The maximum operating temperature for the UC3854DW is 70°C, while the minimum is 0°C, enabling its use in various ambient conditions.

The operational supply current for this model is typically 10mA, ensuring efficient power usage during its operation.

The start-up supply current for this IC is 1.5mA, which helps in minimizing power consumption during the initial phase.

Yes, the UC3854DW complies with IEC61000-3-2 harmonic current limit standards, making it suitable for power factor correction in various applications.

This model comes in a 16-pin Small Outline Integrated Circuit (SOIC) package, designed for surface mounting on PCBs.

The UC3854DW includes advanced features such as quantized voltage feed-forward, frequency dithering, and current synthesis to enhance performance and efficiency.