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Product Overview
The LM3743MM-300/NOPB is a high-performance step-down (buck) switching regulator from Texas Instruments, designed for applications requiring up to 3A output current. It operates at a fixed 300kHz switching frequency and is housed in a compact 10-VSSOP package. This regulator integrates a high-side N-channel MOSFET and provides excellent line and load regulation, making it suitable for powering sensitive loads in industrial, telecom, and automotive systems.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
4.5V to 28V |
| Output Voltage Range |
0.8V to 24V |
| Output Current |
Up to 3A |
| Switching Frequency |
300kHz (fixed) |
| Efficiency |
Up to 95% |
| Operating Temperature |
-40°C to +125°C |
| Package |
10-VSSOP |
Key Features
- Integrated high-side N-channel MOSFET
- Adjustable output voltage down to 0.8V
- Internal soft-start reduces inrush current
- Over-current and thermal shutdown protection
- Low shutdown current (<1µA)
- Stable with low ESR ceramic capacitors
Target Applications
- 5G base station power supplies
- Automotive infotainment and dashboard systems
- Industrial control and automation equipment
- Telecom and networking equipment
- Point-of-load regulation for FPGAs and ASICs
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM3743MM-300/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
LM3743MM-300/NOPB 是德州儀器(TI)推出的一款高性能降壓(buck)開關穩壓器,適用於需要高達3A輸出電流的應用。它工作在固定的300kHz開關頻率,並採用緊湊的10-VSSOP封裝。該穩壓器集成了高側N溝道MOSFET,提供優異的線性和負載調節能力,適用於工業、電信和汽車系統中的敏感負載供電。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
4.5V 至 28V |
| 輸出電壓範圍 |
0.8V 至 24V |
| 輸出電流 |
最高 3A |
| 開關頻率 |
300kHz(固定) |
| 效率 |
高達 95% |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
10-VSSOP |
核心特性
- 集成高側N溝道MOSFET
- 可調輸出電壓低至0.8V
- 內部軟啟動減少浪湧電流
- 過流和過熱關斷保護
- 低關斷電流(<1µA)
- 與低ESR陶瓷電容穩定工作
典型應用場景
- 5G基站電源
- 汽車信息娛樂和儀表板系統
- 工業控制和自動化設備
- 電信和網絡設備
- FPGA和ASIC的負載點穩壓
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LM3743MM-300/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]