L4981AD013TR ST Power Factor Correction | 20-SO | 10-20V Supply, 400W

Product Overview

The L4981AD013TR is a high-performance Power Factor Correction (PFC) controller from STMicroelectronics, designed for medium-power applications. It operates in Transition Mode (TM) and provides active PFC with low harmonic distortion. The device is housed in a compact 20-SO package, making it suitable for space-constrained designs.

Detailed Technical Specifications

Key Features

• Transition Mode (TM) PFC controller
• Low start-up current (50 µA typical)
• High voltage start-up capability
• Overvoltage protection (OVP)
• Undervoltage lockout (UVLO)
• Boost inductor demagnetization detection
• Low quiescent current (4 mA typical)
• Internal 1.5 A totem pole gate driver

Target Applications

• AC-DC adapters for laptops and monitors
• LED lighting drivers (e.g., 100W street light)
• Power supplies for 5G base stations (e.g., 300W rectifier)
• Industrial SMPS for automation equipment
• Home appliances (e.g., air conditioner inverter)

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for L4981AD013TR. 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

L4981AD013TR 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，適用於中等功率應用。它採用過渡模式（TM）工作，提供主動式 PFC，諧波失真低。器件採用緊湊的 20-SO 封裝，適合空間受限的設計。

詳細技術參數

核心特性

• 過渡模式（TM）PFC 控制器
• 低啟動電流（典型值 50 µA）
• 高壓啟動能力
• 過壓保護（OVP）
• 欠壓鎖定（UVLO）
• 升壓電感退磁檢測
• 低靜態電流（典型值 4 mA）
• 內部 1.5 A 推輓式柵極驅動器

典型應用場景

• 筆記本電腦和顯示器的 AC-DC 適配器
• LED 照明驅動器（例如 100W 路燈）
• 5G 基站電源（例如 300W 整流器）
• 工業自動化設備的 SMPS
• 家用電器（例如空調逆變器）

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 L4981AD013TR 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]