LM2576T-ADJ/LF02 TI Switching Regulator | TO-220-5 | 3A Output, 4V-40V Input

Product Overview

The LM2576T-ADJ/LF02 from Texas Instruments is a versatile step-down (buck) switching voltage regulator capable of driving up to 3A loads with excellent line and load regulation. It operates over a wide input voltage range of 4V to 40V and provides an adjustable output voltage from 1.23V to 37V. Housed in a TO-220-5 package, this device integrates a 52kHz fixed-frequency internal oscillator, making it simple to use with minimal external components. The LM2576 series is known for its high efficiency, typically greater than 80%, and includes built-in protection features such as thermal shutdown and current limiting.

Detailed Technical Specifications

Key Features

• 3A output current capability
• Wide input voltage range: 4V to 40V
• Adjustable output voltage down to 1.23V
• High efficiency (>80%) reduces heat dissipation
• Built-in thermal shutdown and current limit protection
• Simple external component count (inductor, diode, capacitors)
• Fixed 52kHz switching frequency minimizes EMI
• TO-220-5 package for easy heatsinking

Target Applications

• 5G base station power supplies: Provides regulated 3.3V or 5V rails for digital logic and RF circuits
• Automotive dashboard systems: Converts 12V battery to 5V for infotainment and instrument clusters
• Industrial control systems: Supplies stable voltages for PLCs and motor drives
• Telecom equipment: Powers line cards and routers from 24V or 48V backplanes
• Battery-powered devices: Efficiently steps down battery voltage to system rails

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LM2576T-ADJ/LF02. 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/LF02 是德州儀器（TI）生產的一款多功能降壓型開關穩壓器，能夠驅動高達 3A 的負載，具有優異的線性調整率和負載調整率。其輸入電壓範圍為 4V 至 40V，輸出電壓可調節至 1.23V 至 37V。該器件採用 TO-220-5 封裝，內置 52kHz 固定頻率振盪器，只需少量外部元件即可使用。LM2576 系列效率高（典型值 >80%），並具有熱關斷和電流限制等內置保護功能。

詳細技術參數

核心特性

• 3A 輸出電流能力
• 寬輸入電壓範圍：4V 至 40V
• 可調輸出電壓低至 1.23V
• 高效率（>80%）降低散熱需求
• 內置熱關斷和電流限制保護
• 外部元件簡單（電感、二極管、電容）
• 固定 52kHz 開關頻率降低 EMI
• TO-220-5 封裝便於散熱

典型應用場景

• 5G 基站電源：為數字邏輯和射頻電路提供穩定的 3.3V 或 5V 電源
• 汽車儀表板系統：將 12V 電池轉換為 5V 供信息娛樂和儀表組使用
• 工業控制系統：為 PLC 和電機驅動提供穩定電壓
• 電信設備：從 24V 或 48V 背板為線路卡和路由器供電
• 電池供電設備：高效降壓電池電壓至系統電源軌

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LM2576T-ADJ/LF02 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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品質保證與合規

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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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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]