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Product Overview
The LM2940S-9.0/NOPB is a low dropout voltage regulator from Texas Instruments, offering a fixed output voltage of 9.0V with a maximum output current of 1A. Housed in the TO-263 (DDPAK-3) package, this device is designed for applications requiring a stable and efficient power supply with minimal dropout voltage. The LM2940 series is known for its low quiescent current, reverse battery protection, and thermal shutdown features, making it suitable for automotive, industrial, and telecommunications systems.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage |
9.0V (Fixed) |
| Output Current |
1A (Max) |
| Dropout Voltage |
0.5V @ 1A (Typ) |
| Input Voltage Range |
10.5V to 26V |
| Quiescent Current |
10 mA (Typ) |
| Line Regulation |
0.015% (Typ) |
| Load Regulation |
0.1% (Typ) |
| Operating Temperature |
-40°C to +125°C |
| Package |
TO-263 (DDPAK-3) |
Key Features
- Low dropout voltage: 0.5V typical at 1A output
- Fixed 9.0V output with ±5% accuracy
- Output current up to 1A
- Reverse battery protection
- Thermal shutdown and current limit protection
- Low quiescent current: 10 mA typical
- Wide input voltage range: 10.5V to 26V
- Available in TO-263 (DDPAK-3) package for surface mount
Target Applications
- Automotive infotainment systems (e.g., dashboard displays, GPS modules)
- 5G base station power management
- Industrial control systems (e.g., PLCs, motor drives)
- Telecommunications equipment (e.g., routers, switches)
- Battery-powered devices requiring low dropout
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM2940S-9.0/NOPB. 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
LM2940S-9.0/NOPB 是德州儀器(TI)推出的一款低壓差穩壓器,提供固定的 9.0V 輸出電壓和最大 1A 的輸出電流。該器件採用 TO-263(DDPAK-3)封裝,適用於需要穩定高效電源且壓差極低的應用。LM2940 系列以其低靜態電流、反極性保護和熱關斷功能而聞名,適用於汽車、工業和電信系統。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 |
9.0V(固定) |
| 輸出電流 |
1A(最大) |
| 壓差電壓 |
0.5V @ 1A(典型) |
| 輸入電壓範圍 |
10.5V 至 26V |
| 靜態電流 |
10 mA(典型) |
| 線性調整率 |
0.015%(典型) |
| 負載調整率 |
0.1%(典型) |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
TO-263(DDPAK-3) |
核心特性
- 低壓差電壓:1A 輸出時典型值 0.5V
- 固定 9.0V 輸出,精度 ±5%
- 輸出電流高達 1A
- 反極性保護
- 熱關斷和電流限制保護
- 低靜態電流:典型值 10 mA
- 寬輸入電壓範圍:10.5V 至 26V
- 採用 TO-263(DDPAK-3)表面貼裝封裝
典型應用場景
- 汽車信息娛樂系統(例如儀表盤顯示、GPS 模塊)
- 5G 基站電源管理
- 工業控制系統(例如 PLC、電機驅動)
- 電信設備(例如路由器、交換機)
- 需要低壓差的電池供電設備
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LM2940S-9.0/NOPB 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。
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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
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