UCC28517DW TI PFC/PWM Controller | 20-SOIC | 250W, 100-240VAC

Product Overview

The UCC28517DW from Texas Instruments is a highly integrated, dual-mode power factor correction (PFC) and pulse-width modulation (PWM) controller designed for offline power supplies. It combines a boost PFC controller and a forward PWM controller in a single 20-pin SOIC package, enabling compact and efficient AC-DC converters. The device operates over a wide input voltage range (85VAC to 265VAC) and supports output power levels up to 250W. With advanced features such as average current mode control, frequency dithering for EMI reduction, and comprehensive protection functions, the UCC28517DW simplifies design and improves reliability in applications like telecom rectifiers, industrial power supplies, and LED lighting.

Detailed Technical Specifications

Key Features

• Integrated PFC and PWM controller reduces component count and board space
• Average current mode PFC control ensures high power factor (>0.99) and low THD
• Frequency dithering on PFC stage reduces EMI filter size
• Programmable soft-start and slew rate control
• Comprehensive protection: OVP, OCP, OTP, brownout, and cycle-by-cycle current limit
• Low start-up current (100µA) and low operating current (2mA typical)
• Wide input voltage range suitable for universal AC input

Target Applications

• Telecom rectifiers (e.g., 48V DC power supplies for 5G base stations)
• Industrial power supplies (e.g., 24V/48V for factory automation)
• LED lighting drivers (e.g., 100W street lighting)
• AC-DC adapters for medical equipment (e.g., patient monitors)
• Server and workstation power supplies (e.g., 250W ATX power supplies)

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for UCC28517DW. 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

UCC28517DW 是德州儀器 (TI) 推出的一款高度集成的雙模式功率因數校正 (PFC) 和脈寬調製 (PWM) 控制器，專為離線電源設計。它將升壓 PFC 控制器和前向 PWM 控制器集成在一個 20 引腳 SOIC 封裝中，實現緊湊高效的 AC-DC 轉換器。該器件支持寬輸入電壓範圍 (85VAC 至 265VAC)，輸出功率高達 250W。憑藉平均電流模式控制、用於 EMI 降低的頻率抖動以及全面的保護功能，UCC28517DW 簡化了設計並提高了電信整流器、工業電源和 LED 照明等應用的可靠性。

詳細技術參數

核心特性

• 集成 PFC 和 PWM 控制器，減少元件數量和電路板空間
• 平均電流模式 PFC 控制，確保高功率因數 (>0.99) 和低 THD
• PFC 級頻率抖動，減小 EMI 濾波器尺寸
• 可編程軟啟動和壓擺率控制
• 全面保護：OVP、OCP、OTP、欠壓和逐週期電流限制
• 低啟動電流 (100µA) 和低工作電流 (典型值 2mA)
• 寬輸入電壓範圍，適用於通用交流輸入

典型應用場景

• 電信整流器 (例如 5G 基站的 48V 直流電源)
• 工業電源 (例如工廠自動化的 24V/48V 電源)
• LED 照明驅動器 (例如 100W 路燈)
• 醫療設備 AC-DC 適配器 (例如病人監護儀)
• 服務器和工作站電源 (例如 250W ATX 電源)

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 UCC28517DW 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
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