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Product Overview
The UCC2817DW from Texas Instruments is a high-performance, average current-mode Power Factor Correction (PFC) controller designed for boost converters. It operates from a supply voltage range of 10V to 21V and provides a 0.5A peak gate drive output. Housed in a 16-SOIC package, this controller is optimized for low total harmonic distortion (THD) and high power factor, making it ideal for AC-DC power supplies requiring compliance with IEC 61000-3-2 standards.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
10V – 21V |
| Gate Drive Peak Current |
0.5A (source/sink) |
| Operating Frequency |
50 kHz – 250 kHz |
| Reference Voltage |
7.5V ±1.5% |
| UVLO Threshold (On/Off) |
10.5V / 9.5V |
| Maximum Duty Cycle |
95% |
| Package |
16-SOIC |
| Operating Temperature |
-40°C to +85°C |
Key Features
- Average current-mode control for low THD
- Precision 7.5V reference with 1.5% tolerance
- Programmable frequency up to 250 kHz
- Overvoltage and overcurrent protection
- Soft-start capability
- Low startup current (150 µA typical)
Target Applications
- AC-DC power supplies for 5G base stations (e.g., 48V rectifiers)
- Industrial power supplies for motor drives and PLCs
- LED lighting drivers for streetlights and high-bay fixtures
- Server and telecom power supplies (e.g., 1U/2U redundant units)
- Battery chargers for electric vehicles (e.g., onboard chargers)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
UCC2817DW. 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
UCC2817DW 是德州儀器推出的一款高性能平均電流模式功率因數校正 (PFC) 控制器,專為升壓轉換器設計。其工作電源電壓範圍為 10V 至 21V,提供 0.5A 峰值柵極驅動輸出。採用 16-SOIC 封裝,該控制器針對低總諧波失真 (THD) 和高功率因數進行了優化,非常適合需要符合 IEC 61000-3-2 標準的 AC-DC 電源。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
10V – 21V |
| 柵極驅動峰值電流 |
0.5A (源/漏) |
| 工作頻率 |
50 kHz – 250 kHz |
| 參考電壓 |
7.5V ±1.5% |
| 欠壓鎖定閾值 (開啟/關閉) |
10.5V / 9.5V |
| 最大佔空比 |
95% |
| 封裝 |
16-SOIC |
| 工作溫度 |
-40°C 至 +85°C |
核心特性
- 平均電流模式控制,實現低 THD
- 精確的 7.5V 參考電壓,容差 1.5%
- 可編程頻率高達 250 kHz
- 過壓和過流保護
- 軟啟動功能
- 低啟動電流 (典型值 150 µA)
典型應用場景
- 5G 基站 AC-DC 電源 (例如 48V 整流器)
- 工業電源,用於電機驅動和 PLC
- LED 照明驅動器,用於路燈和高天井燈具
- 服務器和電信電源 (例如 1U/2U 冗餘單元)
- 電動汽車電池充電器 (例如車載充電器)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 UCC2817DW 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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