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Product Overview
The UA78M33CKCS is a fixed-output 3.3V linear voltage regulator from Texas Instruments (TI), housed in a TO-220-3 package. It delivers up to 500mA of output current with excellent line and load regulation, making it suitable for a wide range of applications requiring a stable 3.3V supply.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage |
3.3V (Fixed) |
| Output Current |
500mA (Max) |
| Dropout Voltage |
2V (Typical at 500mA) |
| Input Voltage Range |
5V to 25V |
| Line Regulation |
10mV (Typical) |
| Load Regulation |
20mV (Typical) |
| Quiescent Current |
4.2mA (Typical) |
| Operating Temperature |
-40°C to +125°C |
| Package |
TO-220-3 |
Key Features
- Fixed 3.3V output with ±4% accuracy
- Output current up to 500mA
- Internal thermal overload protection
- Short-circuit current limiting
- Safe area compensation
- Low dropout voltage (2V typical)
Target Applications
- 5G base station power management
- Automotive dashboard displays
- Industrial control systems
- Telecommunication equipment
- Consumer electronics (e.g., set-top boxes)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
UA78M33CKCS. 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
UA78M33CKCS 是德州儀器 (TI) 推出的固定輸出 3.3V 線性穩壓器,採用 TO-220-3 封裝。它可提供高達 500mA 的輸出電流,具有優異的線性和負載調整率,適用於需要穩定 3.3V 電源的各種應用。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 |
3.3V (固定) |
| 輸出電流 |
500mA (最大) |
| 壓差電壓 |
2V (典型值 @500mA) |
| 輸入電壓範圍 |
5V 至 25V |
| 線性調整率 |
10mV (典型值) |
| 負載調整率 |
20mV (典型值) |
| 靜態電流 |
4.2mA (典型值) |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
TO-220-3 |
核心特性
- 固定 3.3V 輸出,精度 ±4%
- 輸出電流高達 500mA
- 內部過熱保護
- 短路電流限制
- 安全工作區補償
- 低壓差電壓 (典型值 2V)
典型應用場景
- 5G 基站電源管理
- 汽車儀表板顯示
- 工業控制系統
- 電信設備
- 消費電子 (例如機上盒)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 UA78M33CKCS 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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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。
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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。
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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。
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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。
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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。
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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。
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。
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HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
WhatsApp: +852 5209 9691 | Email: [email protected]