LM2576T-ADJ/LF03 TI Switching Regulator | TO-220-5 | 3A, 40V

Product Overview

The LM2576T-ADJ/LF03 from Texas Instruments is a versatile step-down (buck) switching regulator capable of delivering up to 3A of output current. It operates over a wide input voltage range of 4.75V to 40V and provides an adjustable output voltage from 1.23V to 37V. Housed in a TO-220-5 package, this device offers excellent thermal performance and is designed for high-efficiency power conversion. With a fixed switching frequency of 52 kHz, it simplifies filtering and reduces external component size. The LM2576T-ADJ/LF03 includes built-in protection features such as thermal shutdown and current limiting, making it a robust solution for various power supply applications.

Detailed Technical Specifications

Key Features

• Wide input voltage range: 4.75V to 40V
• Adjustable output voltage: 1.23V to 37V
• High output current: up to 3A
• Fixed 52 kHz switching frequency
• High efficiency: up to 88%
• Built-in thermal shutdown and current limiting
• TO-220-5 package for excellent thermal dissipation
• Simple external component requirements

Target Applications

• 5G base station power supplies
• Automotive dashboard and infotainment systems
• Industrial control systems
• Telecommunications equipment
• Battery chargers
• Distributed power systems

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LM2576T-ADJ/LF03. Our core advantages include:

• 24/7 Global Customer Support: Professional team providing instant quotes and technical support worldwide.
• In-stock Inventory, Same-day Shipping: We maintain localized stock; orders confirmed before 4 PM are shipped the same day.
• HK-SZ Synergy, Flexible Settlement: Direct global shipping from Shenzhen with support for HK bank transfers and multi-currency.
• Escrow Secured Transactions: We support Escrow.com for secure transactions, ensuring peace of mind for batch orders.
• 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.

• 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.
• Original Factory Packaging: We maintain original factory packaging and seals to ensure ESD protection and physical integrity.

產品概述

LM2576T-ADJ/LF03 是德州儀器（TI）推出的一款多功能降壓（buck）開關穩壓器，能夠提供高達 3A 的輸出電流。它支持 4.75V 至 40V 的寬輸入電壓範圍，並提供 1.23V 至 37V 的可調輸出電壓。採用 TO-220-5 封裝，該器件具有出色的熱性能，專為高效電源轉換而設計。固定 52 kHz 的開關頻率簡化了濾波設計並減小了外部元件尺寸。LM2576T-ADJ/LF03 包含熱關斷和電流限制等內置保護功能，使其成為各種電源應用的穩健解決方案。

詳細技術參數

核心特性

• 寬輸入電壓範圍：4.75V 至 40V
• 可調輸出電壓：1.23V 至 37V
• 高輸出電流：高達 3A
• 固定 52 kHz 開關頻率
• 高效率：高達 88%
• 內置熱關斷和電流限制
• TO-220-5 封裝，散熱性能優異
• 外部元件簡單

典型應用場景

• 5G 基站電源
• 汽車儀表盤和信息娛樂系統
• 工業控制系統
• 電信設備
• 電池充電器
• 分布式電源系統

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LM2576T-ADJ/LF03 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。
• 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。
• 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。
• 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。
• 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。

• 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。
• 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。
• 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。

HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
WhatsApp: +852 5209 9691 | Email: [email protected]