What are the key features of STMicroelectronics L4985B?

This product belongs to the Power Factor Correction - PFC category and ships in standard packaging. It features high reliability, stable performance and low power consumption. Key parameters include wide operating range, low loss, and over-temperature protection, suitable for industrial applications. Manufactured by STMicroelectronics with full traceability.

What are the main application scenarios for L4985B?

Typical applications include power management, industrial control. Additionally, it is widely used in automotive electronics, telecom infrastructure, medical devices, and consumer electronics as a critical circuit component, improving system integration and energy efficiency.

How does L4985B work?

This device follows established Power Factor Correction - PFC design principles. Core functional stages include input handling, signal and power processing, and protection logic, ensuring stable operation under varying conditions. Refer to the datasheet for the detailed characteristics and application guidance.

What is the technical performance of L4985B?

Performance highlights: stable characteristics across the operating temperature range, low loss, and long service life. Reliable contact and shock resistance, with protection against over-current and over-voltage where applicable. Meets industrial and automotive reliability standards where the series qualifies.

What is the current market demand for L4985B?

The global Power Factor Correction - PFC market is growing at ~6-8% CAGR, with particularly strong demand in power management. STMicroelectronics L4985B is a mainstream model with stable stock and a typical lead time of 2-4 weeks. Driven by new energy and smart electronics trends, inquiries for this model are steadily increasing, indicating a positive long-term outlook.

What are the technical characteristics of L4985B?

Three main technical features: 1) High reliability – stable performance over the rated life; 2) Low-loss design – reduced energy loss in operation; 3) Wide adaptability – compatible with various operating conditions. Additionally, STMicroelectronics provides full technical support and reference designs.

L4985B Power Factor Correction - PFC Continuous conduction mode (CCM) PFC controller with high voltage startup by STMicroelectronics

L4985B | STMicroelectronics Power Factor Correction - PFC Continuous conduction mode (CCM) PFC controller with high voltage startup

Category: Power Factor Correction - PFC

Brand: STMicroelectronics

Power Factor Correction - PFC Continuous conduction mode (CCM) PFC controller with high voltage startup

Stock: On request

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Product Details

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Description: Power Factor Correction - PFC Continuous conduction mode (CCM) PFC controller with high voltage startup

Technical Parameters

Application	General Purpose
Brand	STMicroelectronics
Category	Power Factor Correction - PFC
Data Tier	General Description
Description	Power Factor Correction - PFC Continuous conduction mode (CCM) PFC controller with high voltage startup
Lead Free	Yes
Manufacturer	STMicroelectronics
Mounting Type	Surface Mount
Operating Temperature	-40 to +125 C
Packaging	Tube
Product Type	Semiconductor Component
RoHS	Compliant
Series	ST
Standard Pack Qty	2000

Standard Packaging: Standard packaging refers to the minimum packaging quantity obtained from the manufacturer/distributor. Therefore, the minimum order quantity may be less than the manufacturer's standard packaging quantity. When products are broken down into smaller quantities, the packaging type (i.e., reel, tube, tray) may change, subject to actual packaging delivery.

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L4985B Application and Selection Guide

L4985B Model and Manufacturer Information

L4985B, a Power Factor Correction - PFC manufactured by STMicroelectronics: L4985B helps you confirm the specific model, while STMicroelectronics helps you confirm the product source. If you are selecting a part, you can first check whether L4985B meets your requirements, then check whether STMicroelectronics matches your expectations, and then refer to Power Factor Correction - PFC Continuous conduction mode (CCM) PFC controller with high voltage startup for further evaluation.

L4985B Product Parameters and Description

The main parameters of STMicroelectronics's Power Factor Correction - PFC product L4985B include Power Factor Correction - PFC Continuous conduction mode (CCM) PFC controller with high voltage startup. This is a Power Factor Correction - PFC produced by STMicroelectronics, and it also offers good applicability in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices.

L4985B Application and Selection Reference

STMicroelectronics's Power Factor Correction - PFC product L4985B has a relatively wide range of applications in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices. Overall, L4985B is a Power Factor Correction - PFC solution worth considering, and manufacturer STMicroelectronics provides long-term supply program support for this product, which helps ensure supply continuity during mass production.

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EZKEY can provide L4985B recommended part comparison data and engineering samples for evaluation.