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Product Overview
The L4940V85 is a low-dropout voltage regulator from STMicroelectronics, designed to deliver a fixed output voltage of 8.5V with a maximum output current of 1.5A. Housed in a TO-220 package, it offers excellent thermal performance and is suitable for a wide range of applications requiring a stable and efficient power supply. The device features a very low dropout voltage (typically 0.4V at 1.5A), making it ideal for battery-powered systems and applications where input-to-output voltage differential is minimal.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage |
8.5V (fixed) |
| Output Current |
1.5A (max) |
| Dropout Voltage |
0.4V typ @ 1.5A |
| Input Voltage Range |
5.5V to 18V |
| Line Regulation |
0.5% typ |
| Load Regulation |
0.5% typ |
| Quiescent Current |
8 mA typ |
| Operating Temperature |
-40°C to +125°C |
| Package |
TO-220 |
Key Features
- Low dropout voltage: 0.4V typical at 1.5A
- Fixed output voltage: 8.5V
- Output current up to 1.5A
- Internal current and thermal limit
- Very low quiescent current
- Wide operating temperature range
- Standard TO-220 package for easy mounting
Target Applications
- 5G base station power management
- Automotive dashboard power supply
- Industrial control systems
- Battery-powered equipment
- Post-regulation for switching power supplies
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
L4940V85. 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
L4940V85 是意法半導體(STMicroelectronics)推出的一款低壓差穩壓器,固定輸出電壓為 8.5V,最大輸出電流 1.5A。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的多種應用。該器件具有極低的壓差電壓(典型值 0.4V @ 1.5A),非常適合電池供電系統以及輸入輸出電壓差很小的應用。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 |
8.5V(固定) |
| 輸出電流 |
1.5A(最大) |
| 壓差電壓 |
典型 0.4V @ 1.5A |
| 輸入電壓範圍 |
5.5V 至 18V |
| 線性調整率 |
典型 0.5% |
| 負載調整率 |
典型 0.5% |
| 靜態電流 |
典型 8 mA |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
TO-220 |
核心特性
- 低壓差電壓:1.5A 時典型值 0.4V
- 固定輸出電壓:8.5V
- 輸出電流高達 1.5A
- 內置電流和熱限制
- 極低靜態電流
- 寬工作溫度範圍
- 標準 TO-220 封裝,易於安裝
典型應用場景
- 5G 基站電源管理
- 汽車儀表板電源
- 工業控制系統
- 電池供電設備
- 開關電源後級穩壓
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 L4940V85 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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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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