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Product Overview
The LM2672MX-3.3/NOPB is a high-efficiency step-down (buck) switching regulator from Texas Instruments, offering a fixed 3.3V output voltage and a load current capability of up to 1A. Housed in an 8-pin SOIC package, this device integrates a 260kHz oscillator, a power MOSFET, and a compensation network, requiring minimal external components. It is part of the SIMPLE SWITCHER® family, known for ease of use and robust performance.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage |
3.3V Fixed |
| Output Current |
1A (max) |
| Input Voltage Range |
8V to 40V |
| Switching Frequency |
260kHz (typical) |
| Efficiency |
Up to 90% |
| Package |
8-SOIC |
| Operating Temperature |
-40°C to +125°C |
| Quiescent Current |
5mA (typical) |
Key Features
- Fixed 3.3V output with ±2% accuracy
- 1A continuous output current
- Wide input voltage range: 8V to 40V
- 260kHz fixed switching frequency minimizes external component size
- Internal compensation and soft-start
- Thermal shutdown and current limit protection
- Low power standby mode
- Simple external circuitry – only 4 external components required
Target Applications
- Industrial power supplies for PLCs and motor drives
- Telecom infrastructure: 5G base station power modules
- Automotive electronics: dashboard displays and infotainment systems
- Consumer electronics: set-top boxes and home automation hubs
- Battery-powered equipment: portable instruments and IoT gateways
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM2672MX-3.3/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
LM2672MX-3.3/NOPB 是德州儀器 (TI) 推出的一款高效降壓開關穩壓器,提供固定的 3.3V 輸出電壓和最高 1A 的負載電流。採用 8 引腳 SOIC 封裝,內部集成 260kHz 振盪器、功率 MOSFET 和補償網絡,僅需少量外部元件。屬於 SIMPLE SWITCHER® 系列,以易用性和穩健性能著稱。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 |
3.3V 固定 |
| 輸出電流 |
1A (最大) |
| 輸入電壓範圍 |
8V 至 40V |
| 開關頻率 |
260kHz (典型) |
| 效率 |
高達 90% |
| 封裝 |
8-SOIC |
| 工作溫度 |
-40°C 至 +125°C |
| 靜態電流 |
5mA (典型) |
核心特性
- 固定 3.3V 輸出,精度 ±2%
- 1A 連續輸出電流
- 寬輸入電壓範圍:8V 至 40V
- 260kHz 固定開關頻率,減小外部元件尺寸
- 內部補償和軟啟動
- 熱關斷和電流限制保護
- 低功耗待機模式
- 簡單的外部電路 – 僅需 4 個外部元件
典型應用場景
- 工業電源:PLC 和電機驅動
- 電信基礎設施:5G 基站電源模塊
- 汽車電子:儀表盤顯示和信息娛樂系統
- 消費電子:機頂盒和智能家居網關
- 電池供電設備:便攜儀器和 IoT 網關
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LM2672MX-3.3/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。
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]