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STMicroelectronics Power Factor Controller IC 115 kHz 20-Pin SOIC 19.5V L4981AD

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STMicroelectronics Power Factor Controller IC 115 kHz 20-Pin SOIC 19.5V L4981AD

Name: STMicroelectronics Power Factor Controller IC 115 kHz 20-Pin SOIC 19.5V L4981AD
Brand: STMicroelectronics
SKU: 219349
Price: 5.54 USD
Availability: InStock

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Category Power Factor Controller IC Brand STMicroelectronics Condition New

Specifications

Country of Origin	India
Brand	STMicroelectronics
Height	2.35mm
Length	13mm
Model	L4981AD
Mount Type	Surface
Maximum Operating Temperature	125°C
Package Type	SOIC
Sub Type	Power Factor Controller
Minimum Operating Temperature	-40°C
Switching Frequency	115kHz
Pin Count	20
Maximum Supply Voltage	19.5V
Minimum Supply Voltage	2.5V
Supply Current	16mA
Start-up Supply Current	300μA
Maximum Source Current	10mA
Maximum Sink Current	20mA

Key Features

Operates with a switching frequency of 115 kHz for optimal power efficiency.
Features a 20-pin SOIC surface mount package for space-efficient PCB integration.
Supports supply voltage range from 2.5V to 19.5V for versatile applications.
Includes low start-up supply current of 300 μA minimizing power loss at startup.
Maximum source and sink currents are 10 mA and 20 mA respectively to handle diverse load requirements.
Designed to operate in ambient temperatures from -40°C to 125°C ensuring robust performance.
Embeds advanced protection features to enhance SMPS robustness and reduce external components.
Ideal for power factor correction applications in industrial and commercial power supplies.

Product Description

STMicroelectronics L4981AD Power Factor Controller IC is a high-performance device optimized for power factor correction at a switching frequency of 115 kHz. It features a 20-pin SOIC surface mount package with a package length of 13 mm and height of 2.35 mm, designed for seamless integration into compact power management systems.

The controller operates within a supply voltage range of 2.5 V to 19.5 V and consumes a low start-up supply current of only 300 μA, ensuring minimal load on power sources during startup phases. It provides maximum source and sink currents of 10 mA and 20 mA respectively, making it suitable for various load conditions in electronic power supplies.

Designed to withstand operating temperatures from -40°C to a maximum of 125°C, the L4981AD is ideal for industrial, commercial, and consumer-grade power factor correction in switched-mode power supplies. Its advanced internal protections enhance system reliability by reducing the need for external components.

This power factor controller is valuable in applications such as AC/DC converters and power supply designs requiring efficient energy usage and regulatory compliance. The device’s surface mount SOIC package facilitates automated assembly and space savings in PCB layouts.

Operates with a switching frequency of 115 kHz for optimal power efficiency. Features a 20-pin SOIC surface mount design suitable for compact power supplies. Wide supply voltage range from 2.5 V to 19.5 V providing design flexibility.

Low start-up supply current of 300 μA to minimize power losses. Maximum source current of 10 mA and sink current of 20 mA for load handling. Robust operation over a wide temperature range from -40°C to 125°C. Advanced protection features reducing external component requirements.

Ideal for industrial and commercial power factor correction solutions. Explore STMicroelectronics power management solutions for reliable and efficient electronic component integration on EnvMart.