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Product Overview
The LM20123MHE/NOPB is a high-performance step-down (buck) regulator from Texas Instruments, designed to deliver up to 3A of continuous output current. It operates over a wide input voltage range of 2.95V to 5.5V, making it suitable for low-voltage power rails in various electronic systems. The device features a fixed 1.5MHz switching frequency, enabling the use of small external components and reducing board space. Housed in a 16-lead HTSSOP package with an exposed pad for enhanced thermal performance, the LM20123MHE/NOPB is optimized for efficiency and reliability in demanding applications.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
2.95V to 5.5V |
| Output Voltage Range |
0.8V to 5V |
| Output Current |
3A (max) |
| Switching Frequency |
1.5MHz (fixed) |
| Efficiency |
Up to 95% |
| Operating Temperature |
-40°C to +125°C |
| Package |
16-HTSSOP (with exposed pad) |
| Protection Features |
Overcurrent, Overtemperature, Undervoltage Lockout |
Key Features
- High efficiency up to 95% reduces power loss
- Fixed 1.5MHz switching frequency minimizes external component size
- Wide input voltage range supports multiple power sources
- Adjustable output voltage down to 0.8V
- Integrated overcurrent and overtemperature protection
- Small 16-HTSSOP package with thermal pad for heat dissipation
- Precision enable pin for sequencing and power management
Target Applications
- 5G base station power supplies (e.g., for FPGA or ASIC cores)
- Automotive dashboard infotainment systems
- Industrial control systems (PLC, motor drives)
- Networking equipment (routers, switches)
- Point-of-load regulation for DSPs and microcontrollers
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM20123MHE/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
LM20123MHE/NOPB 是德州儀器(TI)推出的一款高性能降壓穩壓器,可提供高達 3A 的連續輸出電流。其輸入電壓範圍為 2.95V 至 5.5V,適用於各種低壓電源軌。器件採用固定的 1.5MHz 開關頻率,允許使用小型外部元件,節省電路板空間。LM20123MHE/NOPB 採用 16 引腳 HTSSOP 封裝,帶有裸露焊盤以增強散熱性能,專為高效能和高可靠性應用而優化。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
2.95V 至 5.5V |
| 輸出電壓範圍 |
0.8V 至 5V |
| 輸出電流 |
3A(最大) |
| 開關頻率 |
1.5MHz(固定) |
| 效率 |
高達 95% |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
16-HTSSOP(帶裸露焊盤) |
| 保護功能 |
過流、過溫、欠壓鎖定 |
核心特性
- 高達 95% 的效率,降低功耗
- 固定 1.5MHz 開關頻率,減小外部元件尺寸
- 寬輸入電壓範圍,支援多種電源
- 可調輸出電壓低至 0.8V
- 集成過流和過溫保護
- 小型 16-HTSSOP 封裝,帶散熱焊盤
- 精確使能引腳,用於時序和電源管理
典型應用場景
- 5G 基站電源(例如為 FPGA 或 ASIC 內核供電)
- 汽車儀表板信息娛樂系統
- 工業控制系統(PLC、電機驅動)
- 網絡設備(路由器、交換機)
- DSP 和微控制器的負載點穩壓
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LM20123MHE/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。
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