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Product Overview
The UCC2818AD from Texas Instruments is a high-performance, average current-mode Power Factor Correction (PFC) controller designed for boost converters. It operates at a fixed frequency up to 250kHz and provides a 12V/10mA gate drive output. The device is housed in a 16-pin SOIC package and is optimized for low total harmonic distortion (THD) and high power factor. It includes features such as overvoltage protection, undervoltage lockout, and a 1.5A peak gate drive current.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
10.8V to 15V |
| Switching Frequency |
250kHz (fixed) |
| Gate Drive Voltage |
12V |
| Gate Drive Current |
10mA (source/sink) |
| Peak Gate Drive Current |
1.5A |
| Operating Temperature |
-40°C to 85°C |
| Package |
16-SOIC |
| Control Method |
Average Current Mode |
| Protection Features |
OVP, UVLO, Cycle-by-Cycle Current Limit |
Key Features
- Average current-mode control for low THD
- Fixed 250kHz switching frequency
- 12V gate drive with 1.5A peak current
- Overvoltage and undervoltage lockout protection
- Cycle-by-cycle current limiting
- Low startup current (100µA typical)
- Available in 16-SOIC package
Target Applications
- 5G base station power supplies
- Industrial power systems (e.g., motor drives, UPS)
- Automotive dashboard power modules
- LED lighting drivers
- Telecom rectifiers
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
UCC2818AD. 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
UCC2818AD 是德州儀器 (TI) 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。它工作在最高 250kHz 的固定頻率,提供 12V/10mA 的柵極驅動輸出。器件採用 16 引腳 SOIC 封裝,針對低總諧波失真 (THD) 和高功率因數進行了優化。功能包括過壓保護、欠壓鎖定以及 1.5A 峰值柵極驅動電流。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
10.8V 至 15V |
| 開關頻率 |
250kHz (固定) |
| 柵極驅動電壓 |
12V |
| 柵極驅動電流 |
10mA (源/漏) |
| 峰值柵極驅動電流 |
1.5A |
| 工作溫度 |
-40°C 至 85°C |
| 封裝 |
16-SOIC |
| 控制方式 |
平均電流模式 |
| 保護功能 |
過壓保護、欠壓鎖定、逐週期電流限制 |
核心特性
- 平均電流模式控制,實現低 THD
- 固定 250kHz 開關頻率
- 12V 柵極驅動,峰值電流 1.5A
- 過壓和欠壓鎖定保護
- 逐週期電流限制
- 低啟動電流 (典型值 100µA)
- 採用 16-SOIC 封裝
典型應用場景
- 5G 基站電源
- 工業電源系統 (如電機驅動、UPS)
- 汽車儀表盤電源模塊
- LED 照明驅動器
- 電信整流器
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 UCC2818AD 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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