🧪 SAMPLE SUPPORT
✅ 100% Original & Traceable
🚀 Inquiry Today, Ship Today
🛡️ Escrow.com Secured Payment
Product Overview
The L4986B is a high-performance Power Factor Correction (PFC) controller from STMicroelectronics, designed for transition-mode (TM) operation. It integrates advanced features to achieve high power factor and low THD in AC-DC converters. The device operates from a supply voltage range of 10V to 22.6V and features a programmable switching frequency up to 250kHz. Housed in a compact 10-SOP package, it is ideal for space-constrained applications requiring efficient power management.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (Vcc) |
10V – 22.6V |
| Switching Frequency |
Up to 250kHz |
| Output Drive Current |
±0.5A (source/sink) |
| Start-up Threshold |
12.5V (typical) |
| UVLO Threshold |
9.5V (typical) |
| Operating Temperature |
-40°C to +150°C |
| Package |
10-SOP (0.154", 3.90mm width) |
Key Features
- Transition-mode PFC control for high efficiency
- Programmable switching frequency up to 250kHz
- Low start-up current (50µA typical)
- Overvoltage protection (OVP)
- Brown-out protection
- Enable/disable function
- Internal 1.5A totem-pole gate driver
- Compliant with IEC 61000-3-2 harmonic standards
Target Applications
- AC-DC adapters for laptops and tablets
- LED lighting drivers (e.g., 100W street light)
- 5G base station power supplies (e.g., 48V rectifier)
- Industrial SMPS for automation equipment
- Home appliance power supplies (e.g., air conditioner inverter)
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,專為過渡模式(TM)操作設計。它集成了先進功能,可在AC-DC轉換器中實現高功率因數和低總諧波失真(THD)。該器件的工作電源電壓範圍為10V至22.6V,可編程開關頻率高達250kHz。採用緊湊的10-SOP封裝,非常適合需要高效電源管理的空間受限應用。
詳細技術參數
| 參數 |
數值 |
| 電源電壓(Vcc) |
10V – 22.6V |
| 開關頻率 |
高達250kHz |
| 輸出驅動電流 |
±0.5A(源/漏) |
| 啟動閾值 |
12.5V(典型值) |
| 欠壓鎖定閾值 |
9.5V(典型值) |
| 工作溫度 |
-40°C 至 +150°C |
| 封裝 |
10-SOP(0.154",3.90mm 寬) |
核心特性
- 過渡模式PFC控制,實現高效率
- 可編程開關頻率高達250kHz
- 低啟動電流(典型值50µA)
- 過壓保護(OVP)
- 掉電保護
- 使能/禁用功能
- 內部1.5A推輓式柵極驅動器
- 符合IEC 61000-3-2諧波標準
典型應用場景
- 筆記本電腦和平板電腦的AC-DC適配器
- LED照明驅動器(例如100W路燈)
- 5G基站電源(例如48V整流器)
- 工業自動化設備的開關電源
- 家用電器電源(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 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。
🔥 熱門型號推薦 / Hot Related Models:
L6201013TR | STP08DP05MTR | STNS01PUR | LDK120PU-R | ST1CC40DR | LED6001TR | L7805ABV-DG | VND5E004A30TR-E
獲取報價或技術手冊 / Need Batch Quote or Datasheet?
Our team provides competitive wholesale pricing for L4986B.
HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
WhatsApp: +852 5209 9691 | Email: [email protected]