LM2576S-3.3/NOPB TI Switching Regulator | TO-263 (DDPAK-5) | 3.3V Output, 3A Current

Product Overview

The LM2576S-3.3/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 3A load with excellent line and load regulation. This device is available in a TO-263 (DDPAK-5) package and offers a fixed output voltage of 3.3V. The LM2576 series requires only a minimum number of external components, making it simple to use and cost-effective. It includes internal frequency compensation and a fixed-frequency oscillator. The LM2576S-3.3/NOPB is designed to minimize electromagnetic interference (EMI) and is ideal for high-efficiency power conversion.

Detailed Technical Specifications

Key Features

• 3.3V fixed output voltage
• 3A output current capability
• Wide input voltage range: 4.75V to 40V
• High efficiency: up to 88%
• Requires only 4 external components
• Internal frequency compensation
• Thermal shutdown and current limit protection
• Low power standby mode
• Available in TO-263 (DDPAK-5) package

Target Applications

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

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LM2576S-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

LM2576S-3.3/NOPB 是德州儀器（TI）的一款單片集成電路，提供降壓型開關穩壓器所需的所有有源功能。它能夠驅動高達3A的負載，具有優異的線性和負載調整率。該器件採用 TO-263（DDPAK-5）封裝，提供固定的3.3V輸出電壓。LM2576系列僅需最少的外部元件，使用簡單且成本效益高。它包含內部頻率補償和固定頻率振盪器。LM2576S-3.3/NOPB 設計用於最小化電磁干擾（EMI），非常適合高效率電源轉換。

詳細技術參數

核心特性

• 3.3V 固定輸出電壓
• 3A 輸出電流能力
• 寬輸入電壓範圍：4.75V 至 40V
• 高效率：高達 88%
• 僅需 4 個外部元件
• 內部頻率補償
• 熱關斷和電流限制保護
• 低功耗待機模式
• 採用 TO-263（DDPAK-5）封裝

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
• 電池供電設備
• 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 LM2576S-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]