LM2576HVSX-3.3/NOPB TI DC-DC Converter | TO-263 | 3.3V Fixed Output, 3A

Product Overview

The LM2576HVSX-3.3/NOPB from Texas Instruments is a high-voltage, step-down (buck) switching regulator with a fixed 3.3V output. It is part of the LM2576 series, known for simplicity and robustness. The device can deliver up to 3A of load current with excellent line and load regulation. It operates at a switching frequency of 52 kHz, enabling the use of small external components. The high input voltage range (up to 60V) makes it suitable for industrial and automotive applications. The TO-263 (DDPAK-5) package offers efficient thermal performance.

Detailed Technical Specifications

Key Features

• Fixed 3.3V output with ±4% tolerance
• 3A output current capability
• Wide input voltage range: 4.5V to 60V
• 52 kHz fixed frequency internal oscillator
• Thermal shutdown and current limit protection
• Low power standby mode
• Simple external component count (inductor, diode, capacitors)
• High efficiency up to 88%
• TO-263 package for excellent thermal dissipation

Target Applications

• Industrial power supplies for 5G base station equipment
• Automotive infotainment and dashboard systems
• Battery-powered devices requiring high efficiency
• Distributed power architectures
• Telecom and networking equipment
• Post-regulation for high-voltage rails

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LM2576HVSX-3.3/NOPB. 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

LM2576HVSX-3.3/NOPB 是德州儀器（TI）的一款高壓降壓型開關穩壓器，固定輸出 3.3V。它屬於 LM2576 系列，以簡單和穩健著稱。該器件可提供高達 3A 的負載電流，具有優異的線性和負載調整率。開關頻率為 52 kHz，允許使用小型外部元件。高輸入電壓範圍（最高 60V）使其適用於工業和汽車應用。TO-263（DDPAK-5）封裝提供高效的熱性能。

詳細技術參數

核心特性

• 固定 3.3V 輸出，精度 ±4%
• 3A 輸出電流能力
• 寬輸入電壓範圍：4.5V 至 60V
• 52 kHz 固定頻率內部振盪器
• 熱關斷和電流限制保護
• 低功耗待機模式
• 簡單的外部元件（電感、二極管、電容）
• 高效率高達 88%
• TO-263 封裝，散熱性能優異

典型應用場景

• 5G 基站設備的工業電源
• 汽車信息娛樂和儀表板系統
• 需要高效率的電池供電設備
• 分布式電源架構
• 電信和網絡設備
• 高壓軌的後級穩壓

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LM2576HVSX-3.3/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。
• 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]