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Product Overview
The LM2931CS from Texas Instruments is a low dropout voltage regulator designed to provide a stable 5V output with a maximum output current of 100mA. Housed in a TO-263 (DDPAK-5) package, it offers excellent thermal performance and is suitable for automotive and industrial applications. The device features a low dropout voltage of typically 0.6V at full load, enabling efficient operation even when the input voltage is close to the output. It includes built-in protection against reverse battery, short circuit, and overtemperature conditions, ensuring robust performance in harsh environments.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage |
5V (fixed) |
| Output Current |
100mA (max) |
| Dropout Voltage |
0.6V typical at 100mA |
| Input Voltage Range |
6V to 26V |
| Line Regulation |
0.1% typical |
| Load Regulation |
0.1% typical |
| Quiescent Current |
15mA typical |
| Operating Temperature |
-40°C to +125°C |
| Package |
TO-263 (DDPAK-5) |
Key Features
- Low dropout voltage: 0.6V typical at 100mA
- Fixed 5V output with ±2% accuracy
- Reverse battery protection
- Short circuit and overtemperature protection
- Wide operating temperature range: -40°C to +125°C
- Low quiescent current: 15mA typical
- Available in TO-263 (DDPAK-5) package for enhanced thermal dissipation
Target Applications
- Automotive electronics: Engine control units (ECUs), infotainment systems, dashboard displays
- Industrial control systems: PLCs, sensors, actuators
- Telecommunications: 5G base station power management, network routers
- Portable devices: Battery-powered equipment requiring low dropout regulation
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM2931CS. 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
LM2931CS 是德州儀器(TI)推出的一款低壓差穩壓器,提供穩定的 5V 輸出,最大輸出電流為 100mA。採用 TO-263(DDPAK-5)封裝,具有優異的熱性能,適用於汽車和工業應用。該器件在滿載時典型壓差僅為 0.6V,即使輸入電壓接近輸出電壓也能高效工作。內置反接電池保護、短路保護和過溫保護,確保在惡劣環境下的穩健性能。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 |
5V(固定) |
| 輸出電流 |
100mA(最大) |
| 壓差電壓 |
典型 0.6V @ 100mA |
| 輸入電壓範圍 |
6V 至 26V |
| 線性調整率 |
典型 0.1% |
| 負載調整率 |
典型 0.1% |
| 靜態電流 |
典型 15mA |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
TO-263(DDPAK-5) |
核心特性
- 低壓差:典型 0.6V @ 100mA
- 固定 5V 輸出,精度 ±2%
- 反接電池保護
- 短路和過溫保護
- 寬工作溫度範圍:-40°C 至 +125°C
- 低靜態電流:典型 15mA
- 採用 TO-263(DDPAK-5)封裝,散熱性能優異
典型應用場景
- 汽車電子:發動機控制單元(ECU)、信息娛樂系統、儀表盤顯示
- 工業控制系統:PLC、傳感器、執行器
- 電信設備:5G 基站電源管理、網絡路由器
- 便攜設備:需要低壓差穩壓的電池供電設備
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LM2931CS 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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