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Product Overview
The LF33CV is a low-dropout voltage regulator from STMicroelectronics, offering a fixed output voltage of 3.3V with a maximum output current of 500mA. Housed in a TO-220 package, it provides excellent thermal performance and is suitable for a wide range of applications requiring stable and efficient power regulation.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage |
3.3V |
| Output Current |
500mA |
| Dropout Voltage |
0.3V (typical at 500mA) |
| Input Voltage Range |
4.3V to 16V |
| Line Regulation |
0.2% (typical) |
| Load Regulation |
0.4% (typical) |
| Quiescent Current |
2.5mA (typical) |
| Operating Temperature |
-40°C to +125°C |
| Package |
TO-220 |
Key Features
- Low dropout voltage: 0.3V typical at 500mA
- Fixed output voltage: 3.3V
- Output current up to 500mA
- Internal current and thermal limit protection
- Wide input voltage range: 4.3V to 16V
- Low quiescent current: 2.5mA typical
- Excellent line and load regulation
- TO-220 package for efficient heat dissipation
Target Applications
- 5G base station power management modules
- Automotive dashboard displays and infotainment systems
- Industrial control systems requiring stable 3.3V rail
- Consumer electronics such as set-top boxes and routers
- Battery-powered devices where low dropout is critical
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LF33CV. 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
LF33CV 是意法半導體(STMicroelectronics)推出的一款低壓差穩壓器,提供固定的 3.3V 輸出電壓,最大輸出電流為 500mA。採用 TO-220 封裝,具有優異的熱性能,適用於需要穩定高效電源調節的各種應用。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 |
3.3V |
| 輸出電流 |
500mA |
| 壓差電壓 |
0.3V(典型值,500mA 時) |
| 輸入電壓範圍 |
4.3V 至 16V |
| 線性調整率 |
0.2%(典型值) |
| 負載調整率 |
0.4%(典型值) |
| 靜態電流 |
2.5mA(典型值) |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
TO-220 |
核心特性
- 低壓差電壓:500mA 時典型值 0.3V
- 固定輸出電壓:3.3V
- 輸出電流高達 500mA
- 內置電流和熱限制保護
- 寬輸入電壓範圍:4.3V 至 16V
- 低靜態電流:典型值 2.5mA
- 優異的線性和負載調整率
- TO-220 封裝,散熱效率高
典型應用場景
- 5G 基站電源管理模塊
- 汽車儀表盤顯示和信息娛樂系統
- 需要穩定 3.3V 電源的工業控制系統
- 消費電子產品,如機頂盒和路由器
- 對低壓差有嚴格要求的電池供電設備
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LF33CV 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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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。
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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]