L4986B ST Power Factor Correction IC | 10-SSOP | 10-600V, 50-500kHz

Product Overview

The L4986B is a high-performance Power Factor Correction (PFC) controller IC from STMicroelectronics, designed for transition-mode (TM) operation. It integrates advanced features to achieve high power factor and low total harmonic distortion (THD) in AC-DC converters. The device is housed in a compact 10-SSOP package, making it suitable for space-constrained applications. With a wide input voltage range and programmable switching frequency, the L4986B offers flexibility for various power levels up to several hundred watts.

Detailed Technical Specifications

Key Features

• Transition-mode PFC control for high efficiency
• Programmable switching frequency via external resistor
• Accurate 1.5% internal reference voltage
• Built-in soft-start for reduced inrush current
• Overvoltage, overcurrent, and overtemperature protection
• Low start-up current (30 µA typical)
• Compliant with IEC 61000-3-2 harmonic standards

Target Applications

• AC-DC adapters for laptops and gaming consoles
• LED lighting drivers (e.g., 50W street light driver)
• Industrial power supplies for 5G base stations
• Home appliance power supplies (e.g., air conditioner inverter)
• Battery chargers for electric vehicles

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for L4986B. Our core advantages include:

• 24/7 Global Customer Support: Professional team providing instant quotes and technical support worldwide.
• In-stock Inventory, Same-day Shipping: We maintain localized stock; orders confirmed before 4 PM are shipped the same day.
• HK-SZ Synergy, Flexible Settlement: Direct global shipping from Shenzhen with support for HK bank transfers and multi-currency.
• Escrow Secured Transactions: We support Escrow.com for secure transactions, ensuring peace of mind for batch orders.
• BOM Kitting & Sampling Services: Specialized sourcing for testing samples and urgent shortage components.

Quality Assurance & Compliance

Jasin Chip guarantees that all delivered products are 100% original factory stock with full quality assurance and traceability.

• 100% Original & Authentic: All components are guaranteed to be authentic with strict quality control.
• RoHS Compliant: All electronic components comply with international environmental and safety standards.
• Original Factory Packaging: We maintain original factory packaging and seals to ensure ESD protection and physical integrity.

產品概述

L4986B是意法半導體（STMicroelectronics）推出的一款高性能功率因數校正（PFC）控制器IC，專為過渡模式（TM）操作設計。它整合了先進功能，可在AC-DC轉換器中實現高功率因數和低總諧波失真（THD）。該器件採用緊湊的10-SSOP封裝，適合空間受限的應用。憑藉寬輸入電壓範圍和可編程開關頻率，L4986B為高達數百瓦的各種功率等級提供了靈活性。

詳細技術參數

核心特性

• 過渡模式PFC控制，實現高效率
• 通過外部電阻可編程開關頻率
• 精確的1.5%內部參考電壓
• 內置軟啟動，降低浪湧電流
• 過壓、過流和過溫保護
• 低啟動電流（典型值30 µA）
• 符合IEC 61000-3-2諧波標準

典型應用場景

• 筆記本電腦和遊戲機的AC-DC適配器
• LED照明驅動器（例如50W路燈驅動器）
• 5G基站的工業電源
• 家用電器電源（例如空調逆變器）
• 電動汽車電池充電器

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 L4986B 提供全面的供應鏈與批發解決方案。 我們的核心優勢包括：

• 全天候環球客戶支援：專業團隊為您提供即時報價及技術支援，無需漫長等待。
• 現貨庫存，即日發貨：確保現貨充足。下午 4 點前確認訂單，即可安排當天寄出。
• 深港聯動，結算靈活：深圳直發全球，物流高效可靠；支援香港銀行戶口轉賬及多幣種結算。
• Escrow 擔保交易：支援 Escrow.com 平台交易，保障買賣雙方權益，小批量訂單亦可安心在線下單。
• BOM 配單與樣板服務：提供樣板測試及認證支援。專注一站式 BOM 配套及緊急缺料採購服務。

品質保證與合規

Jasin Chip 承諾所有出貨產品均為原廠正貨，具備完善的品質保證及產品可追溯性。

• 100% 原廠正貨：承諾所有供應零件均為原裝現貨，品質嚴格把關，來源清晰可追溯。
• 符合 RoHS 認證：所有電子元器件均符合國際環保標準及相關安全認證。
• 原廠封裝保護：嚴格保留原廠原始包裝及封條，確保物流過程中的靜電防護 (ESD) 與物理安全。

以上產品均為原廠正貨，提供 BOM 配單及現貨庫存支援，歡迎查詢。

HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
WhatsApp: +852 5209 9691 | Email: [email protected]