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Product Overview
The LM2575T-12/NOPB from Texas Instruments is a monolithic integrated circuit that provides all the active functions for a step-down (buck) switching regulator. It is capable of driving a 1A load with excellent line and load regulation. This device is available in a fixed 12V output version and is housed in a TO-220-5 package. The LM2575 series is part of the Simple Switcher family, requiring only a minimum number of external components for operation. With a wide input voltage range of 4.75V to 40V, it is suitable for a variety of applications including industrial control, automotive electronics, and telecommunications equipment.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage |
12V fixed |
| Output Current |
1A |
| Input Voltage Range |
4.75V to 40V |
| Switching Frequency |
52 kHz (typical) |
| Efficiency |
Up to 88% |
| Line Regulation |
±0.1% (typical) |
| Load Regulation |
±0.5% (typical) |
| Operating Temperature |
-40°C to +125°C |
| Package |
TO-220-5 |
Key Features
- Fixed 12V output with 1A current capability
- Wide input voltage range: 4.75V to 40V
- High efficiency: up to 88%
- Internal frequency compensation and current limit
- Thermal shutdown and overcurrent protection
- Requires only 4 external components
- Simple Switcher series for easy design
Target Applications
- Industrial power supplies for PLCs and motor drives
- Automotive infotainment and dashboard power rails
- Telecommunications equipment like 5G base station power modules
- Battery chargers and portable device power management
- Distributed power systems in networking and server applications
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM2575T-12/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
LM2575T-12/NOPB 是德州儀器(TI)的一款單片集成電路,提供降壓(buck)開關穩壓器的所有有源功能。它能夠驅動1A負載,具有出色的線性和負載調節能力。該器件提供固定的12V輸出電壓,採用TO-220-5封裝。LM2575系列屬於Simple Switcher系列,僅需最少的外部元件即可工作。輸入電壓範圍為4.75V至40V,適用於工業控制、汽車電子和電信設備等多種應用。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 |
12V 固定 |
| 輸出電流 |
1A |
| 輸入電壓範圍 |
4.75V 至 40V |
| 開關頻率 |
52 kHz(典型值) |
| 效率 |
高達 88% |
| 線性調節率 |
±0.1%(典型值) |
| 負載調節率 |
±0.5%(典型值) |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
TO-220-5 |
核心特性
- 固定12V輸出,1A電流能力
- 寬輸入電壓範圍:4.75V至40V
- 高效率:高達88%
- 內部頻率補償和電流限制
- 熱關斷和過流保護
- 僅需4個外部元件
- Simple Switcher系列,設計簡單
典型應用場景
- 工業電源,如PLC和電機驅動
- 汽車信息娛樂系統和儀表板電源軌
- 電信設備,如5G基站電源模塊
- 電池充電器和便攜設備電源管理
- 網絡和服務器應用中的分佈式電源系統
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LM2575T-12/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:
-
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
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