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Product Overview
The UCC28515DW from Texas Instruments is a highly integrated, dual-mode power factor correction (PFC) and pulse-width modulation (PWM) controller designed for offline AC-DC power supplies. It combines a boost PFC controller and a PWM controller in a single 20-pin SOIC package, simplifying design and reducing component count. The device operates over a wide input voltage range (85VAC to 265VAC) and is optimized for high efficiency and low total harmonic distortion (THD).
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
85VAC – 265VAC |
| Switching Frequency |
Up to 250 kHz |
| PFC Stage |
Boost converter with average current mode control |
| PWM Stage |
Current mode control with programmable slope compensation |
| Startup Current |
100 µA typical |
| Operating Current |
4 mA typical |
| Output Drive Capability |
±1 A peak gate drive |
| Protection Features |
Overvoltage, undervoltage, overcurrent, thermal shutdown |
| Package |
20-SOIC |
| Operating Temperature |
-40°C to +125°C |
Key Features
- Integrated PFC and PWM control in one IC
- BiCMOS technology for low power consumption
- Average current mode PFC for low THD
- Programmable PWM frequency and slope compensation
- Comprehensive protection: OVP, UVLO, OCP, OTP
- Soft-start and burst mode for light load efficiency
Target Applications
- 5G base station power supplies (e.g., rectifier modules)
- Industrial power adapters for servers and networking equipment
- LED lighting drivers for streetlights and high-bay fixtures
- Automotive DC-DC converters (e.g., infotainment dashboard power)
- Consumer electronics like high-end audio amplifiers and gaming consoles
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
UCC28515DW. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
quotes and technical support worldwide.
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In-stock Inventory, Same-day Shipping: We maintain localized stock;
orders confirmed before 4 PM are shipped the same day.
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HK-SZ Synergy, Flexible Settlement: Direct global shipping from
Shenzhen with support for HK bank transfers and multi-currency.
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Escrow Secured Transactions: We support Escrow.com for secure
transactions, ensuring peace of mind for batch orders.
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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.
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100% Original & Authentic: All components are guaranteed to
be authentic with strict quality control.
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RoHS Compliant: All electronic components comply with international
environmental and safety standards.
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Original Factory Packaging: We maintain original factory packaging
and seals to ensure ESD protection and physical integrity.
產品概述
UCC28515DW 是德州儀器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 AC-DC 電源設計。它將升壓 PFC 控制器和 PWM 控制器集成在一個 20 引腳 SOIC 封裝中,簡化了設計並減少了元件數量。該器件可在 85VAC 至 265VAC 的寬輸入電壓範圍內工作,並針對高效率 and 低總諧波失真(THD)進行了優化。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
85VAC – 265VAC |
| 開關頻率 |
最高 250 kHz |
| PFC 級 |
升壓轉換器,平均電流模式控制 |
| PWM 級 |
電流模式控制,可編程斜率補償 |
| 啟動電流 |
典型值 100 µA |
| 工作電流 |
典型值 4 mA |
| 輸出驅動能力 |
±1 A 峰值柵極驅動 |
| 保護功能 |
過壓、欠壓、過流、熱關斷 |
| 封裝 |
20-SOIC |
| 工作溫度 |
-40°C 至 +125°C |
核心特性
- 單芯片集成 PFC 和 PWM 控制
- BiCMOS 工藝,低功耗
- 平均電流模式 PFC,低 THD
- 可編程 PWM 頻率和斜率補償
- 全面保護:OVP、UVLO、OCP、OTP
- 軟啟動和突發模式,輕載高效
典型應用場景
- 5G 基站電源(如整流模塊)
- 服務器和網絡設備的工業電源適配器
- LED 照明驅動器(路燈、工礦燈)
- 汽車 DC-DC 轉換器(如信息娛樂儀表板電源)
- 消費電子產品(高端音頻放大器、遊戲機)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 UCC28515DW 提供全面的供應鏈與批發解決方案。
我們的核心優勢包括:
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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。
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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。
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