LM2673SX-3.3/NOPB TI Step-Down Regulator | TO-263 | 3.3V Output, 3A

Product Overview

The LM2673SX-3.3/NOPB is a high-efficiency step-down (buck) switching voltage regulator from Texas Instruments, capable of delivering up to 3A of continuous output current. It features a fixed 3.3V output voltage and operates over a wide input voltage range of 8V to 40V. The device is housed in a TO-263 (DDPAK-7) package, offering excellent thermal performance for demanding applications. With integrated 260kHz oscillator, soft-start, and thermal shutdown, the LM2673 provides a robust power solution for industrial, automotive, and telecommunications systems.

Detailed Technical Specifications

Key Features

• High efficiency up to 90% reduces heat dissipation
• Wide input voltage range supports various power sources
• Integrated 260kHz oscillator minimizes external component size
• Soft-start reduces inrush current during startup
• Thermal shutdown and current limit for robust protection
• TO-263 package for excellent thermal performance

Target Applications

• 5G base station power supplies
• Automotive dashboard and infotainment systems
• Industrial control systems and PLCs
• Telecommunications equipment
• Battery-powered devices requiring regulated 3.3V

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LM2673SX-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

LM2673SX-3.3/NOPB 是德州儀器（TI）推出的一款高效降壓（buck）開關穩壓器，能夠提供高達 3A 的連續輸出電流。它具有固定的 3.3V 輸出電壓，並在 8V 至 40V 的寬輸入電壓範圍內工作。該器件採用 TO-263（DDPAK-7）封裝，具有出色的熱性能，適用於工業、汽車和電信系統等要求苛刻的應用。集成的 260kHz 振盪器、軟啟動和熱關斷功能使 LM2673 成為穩健的電源解決方案。

詳細技術參數

核心特性

• 高達 90% 的效率，減少熱量散發
• 寬輸入電壓範圍，支援多種電源
• 集成 260kHz 振盪器，減小外部元件尺寸
• 軟啟動功能，降低啟動浪湧電流
• 熱關斷和電流限制，提供穩健保護
• TO-263 封裝，散熱性能優異

典型應用場景

• 5G 基站電源
• 汽車儀表板和資訊娛樂系統
• 工業控制系統和 PLC
• 電信設備
• 需要 3.3V 穩壓的電池供電設備

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LM2673SX-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]