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Product Overview
The LM2575SX-ADJ/NOPB from Texas Instruments is a versatile adjustable step-down (buck) switching regulator designed for high-efficiency power conversion. It delivers up to 1A of output current with an input voltage range of 4V to 40V. Housed in a TO-263 (DDPAK-5) package, this device simplifies power supply design with minimal external components. Its adjustable output voltage (1.23V to 37V) makes it suitable for a wide range of applications, from industrial systems to consumer electronics.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
4V to 40V |
| Output Voltage Range |
1.23V to 37V (Adjustable) |
| Output Current |
1A (Max) |
| Switching Frequency |
52 kHz (Typical) |
| Efficiency |
Up to 88% |
| Operating Temperature |
-40°C to +125°C |
| Package |
TO-263 (DDPAK-5) |
| Quiescent Current |
5 mA (Typical) |
| Line Regulation |
0.1% (Typical) |
| Load Regulation |
0.1% (Typical) |
Key Features
- Adjustable output voltage from 1.23V to 37V
- 1A output current capability
- Wide input voltage range: 4V to 40V
- High efficiency up to 88%
- Built-in thermal shutdown and current limiting
- Requires only 4 external components
- 52 kHz fixed frequency oscillator
- Low standby current
- Available in TO-263 (DDPAK-5) package for excellent thermal performance
Target Applications
The LM2575SX-ADJ/NOPB is ideal for various applications, including:
- 5G base station power supplies
- Automotive dashboard displays and infotainment systems
- Industrial control systems
- Battery chargers
- Distributed power systems
- Post-regulation for linear regulators
- Consumer electronics such as set-top boxes and routers
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM2575SX-ADJ/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.
-
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
LM2575SX-ADJ/NOPB 來自德州儀器 (TI) 是一款多功能可調降壓開關穩壓器,專為高效能電源轉換設計。它可提供高達 1A 的輸出電流,輸入電壓範圍為 4V 至 40V。採用 TO-263 (DDPAK-5) 封裝,以最少的外部元件簡化電源設計。其可調輸出電壓 (1.23V 至 37V) 使其適用於從工業系統到消費性電子產品的廣泛應用。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
4V 至 40V |
| 輸出電壓範圍 |
1.23V 至 37V (可調) |
| 輸出電流 |
1A (最大) |
| 開關頻率 |
52 kHz (典型) |
| 效率 |
高達 88% |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
TO-263 (DDPAK-5) |
| 靜態電流 |
5 mA (典型) |
| 線性調整率 |
0.1% (典型) |
| 負載調整率 |
0.1% (典型) |
核心特性
- 可調輸出電壓:1.23V 至 37V
- 1A 輸出電流能力
- 寬輸入電壓範圍:4V 至 40V
- 高效率高達 88%
- 內建熱關斷和電流限制
- 僅需 4 個外部元件
- 52 kHz 固定頻率振盪器
- 低待機電流
- 採用 TO-263 (DDPAK-5) 封裝,散熱性能優異
典型應用場景
LM2575SX-ADJ/NOPB 適用於多種應用,包括:
- 5G 基地台電源
- 汽車儀表板顯示器和資訊娛樂系統
- 工業控制系統
- 電池充電器
- 分散式電源系統
- 線性穩壓器的後級穩壓
- 消費性電子產品,如機上盒和路由器
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LM2575SX-ADJ/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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