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Product Overview
The LM2734XMK/NOPB is a high-frequency, current-mode step-down switching regulator from Texas Instruments, designed for space-constrained applications. It operates at a fixed 3MHz switching frequency, allowing the use of tiny surface-mount components. The device delivers up to 1A output current with excellent line and load regulation. Housed in a thin SOT-23 package, it is ideal for portable and battery-powered electronics.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
2.7V to 5.5V |
| Output Voltage Range |
0.8V to VIN |
| Output Current |
1A |
| Switching Frequency |
3MHz (fixed) |
| Efficiency |
Up to 90% |
| Quiescent Current |
40 µA (typical) |
| Shutdown Current |
0.1 µA |
| Operating Temperature |
-40°C to +125°C |
| Package |
SOT-23-THIN (6-pin) |
Key Features
- 3MHz fixed switching frequency minimizes external component size
- Internal compensation and soft-start
- Current-mode control for fast transient response
- Over-current and thermal shutdown protection
- Low shutdown current (<1 µA)
- Stable with ceramic output capacitors
Target Applications
- 5G base station power supplies (e.g., for small cell modules)
- Automotive dashboard displays and infotainment systems
- Portable medical devices (e.g., glucose meters)
- Industrial sensors and IoT modules
- Battery-powered equipment (e.g., wireless headsets)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM2734XMK/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
LM2734XMK/NOPB 是德州儀器 (TI) 的一款高頻、電流模式降壓開關穩壓器,專為空間受限的應用而設計。它工作在固定的 3MHz 開關頻率,允許使用微小的表面貼裝元件。該器件可提供高達 1A 的輸出電流,具有出色的線性和負載調節能力。採用薄型 SOT-23 封裝,非常適合便攜式和電池供電的電子設備。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
2.7V 至 5.5V |
| 輸出電壓範圍 |
0.8V 至 VIN |
| 輸出電流 |
1A |
| 開關頻率 |
3MHz (固定) |
| 效率 |
高達 90% |
| 靜態電流 |
40 µA (典型值) |
| 關斷電流 |
0.1 µA |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
SOT-23-THIN (6 引腳) |
核心特性
- 3MHz 固定開關頻率,減小外部元件尺寸
- 內部補償和軟啟動
- 電流模式控制,快速瞬態響應
- 過流和熱關斷保護
- 低關斷電流 (<1 µA)
- 與陶瓷輸出電容器穩定工作
典型應用場景
- 5G 基站電源 (例如小基站模塊)
- 汽車儀表板顯示器和信息娛樂系統
- 便攜式醫療設備 (例如血糖儀)
- 工業傳感器和 IoT 模塊
- 電池供電設備 (例如無線耳機)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LM2734XMK/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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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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