LM2676S-3.3 TI Step-Down Regulator | TO-263 (DDPAK-7) | 3.3V Output, 3A

Product Overview

The LM2676S-3.3 is a high-efficiency step-down (buck) switching voltage regulator from Texas Instruments. It delivers a fixed 3.3V output with a load current capability of up to 3A. Housed in a TO-263 (DDPAK-7) package, this device integrates a 260 mΩ N-channel MOSFET switch, making it ideal for applications requiring high efficiency and compact size. The LM2676 series operates at a switching frequency of 260 kHz, allowing for small external components. With a wide input voltage range of 8V to 40V, it is suitable for various power conversion needs.

Detailed Technical Specifications

Key Features

• Fixed 3.3V output with ±2% accuracy
• 3A continuous output current
• Wide input voltage range: 8V to 40V
• High efficiency: up to 92%
• 260 kHz switching frequency minimizes external component size
• Integrated N-channel MOSFET switch
• Low shutdown current: 25 μA
• Thermal shutdown and current limit protection
• Simple external compensation
• Available in TO-263 (DDPAK-7) package for excellent thermal performance

Target Applications

The LM2676S-3.3 is ideal for a wide range of applications, including:

• 5G base station power supplies
• Automotive dashboard and infotainment systems
• Industrial control systems
• Telecommunications equipment
• Point-of-load regulation for FPGAs and DSPs
• Battery-powered devices
• Distributed power architectures

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LM2676S-3.3. 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

LM2676S-3.3 是德州儀器（TI）推出的一款高效率降壓型開關穩壓器。它提供固定的 3.3V 輸出，最大負載電流可達 3A。該器件採用 TO-263（DDPAK-7）封裝，內部集成了 260 mΩ 的 N 溝道 MOSFET 開關，非常適合需要高效率和小尺寸的應用。LM2676 系列的工作開關頻率為 260 kHz，允許使用較小的外部元件。其寬輸入電壓範圍為 8V 至 40V，適用於各種電源轉換需求。

詳細技術參數

核心特性

• 固定 3.3V 輸出，精度 ±2%
• 3A 連續輸出電流
• 寬輸入電壓範圍：8V 至 40V
• 高效率：高達 92%
• 260 kHz 開關頻率，減小外部元件尺寸
• 集成 N 溝道 MOSFET 開關
• 低關斷電流：25 μA
• 熱關斷和電流限制保護
• 簡單的外部補償
• 採用 TO-263（DDPAK-7）封裝，散熱性能優異

典型應用場景

LM2676S-3.3 適用於多種應用，包括：

• 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
• FPGA 和 DSP 的負載點穩壓
• 電池供電設備
• 分布式電源架構

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LM2676S-3.3 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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• 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。
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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]