LM2575SX-5.0/NOPB TI Switching Regulator | TO-263 | 1A, 52kHz, 5V Fixed Output

Product Overview

The LM2575SX-5.0/NOPB is a monolithic integrated circuit from Texas Instruments (TI) that provides all the active functions for a step-down (buck) switching regulator. It is capable of driving a 1A load with excellent line and load regulation. This device is available in a TO-263 (DDPAK-5) package and offers a fixed 5V output voltage. The LM2575 series is a simple and efficient solution for various power conversion applications, requiring only a minimum number of external components. Its high efficiency, typically above 80%, makes it suitable for battery-powered systems and other energy-sensitive designs.

Detailed Technical Specifications

Key Features

• Fixed 5V output with 1A output current capability
• Wide input voltage range: 4.75V to 40V
• High efficiency: up to 88%
• Simple external component count: requires only inductor, diode, and capacitors
• Internal frequency compensation and current limiting
• Thermal shutdown protection
• Low standby current (50 µA in shutdown)
• Available in TO-263 (DDPAK-5) package for easy heatsinking

Target Applications

• 5G base station power supplies: providing regulated 5V for control logic and RF modules
• Automotive dashboard systems: powering infotainment and display units
• Industrial control systems: supplying 5V for microcontrollers and sensors
• Battery-powered equipment: efficient step-down conversion for portable devices
• Telecommunications equipment: powering line cards and routers
• Consumer electronics: set-top boxes, gaming consoles, and home automation hubs

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LM2575SX-5.0/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

LM2575SX-5.0/NOPB 是德州儀器（TI）生產的一款單片集成電路，提供降壓（buck）開關穩壓器的所有有源功能。它能夠驅動 1A 負載，具有出色的線性和負載調節能力。該器件採用 TO-263（DDPAK-5）封裝，提供固定的 5V 輸出電壓。LM2575 系列是各種電源轉換應用的簡單高效解決方案，僅需最少的外部元件。其高效率（通常高於 80%）使其適用於電池供電系統和其他對能源敏感的設計。

詳細技術參數

核心特性

• 固定 5V 輸出，1A 輸出電流能力
• 寬輸入電壓範圍：4.75V 至 40V
• 高效率：高達 88%
• 簡單的外部元件數量：僅需電感、二極管和電容
• 內部頻率補償和電流限制
• 熱關斷保護
• 低待機電流（關斷時 50 µA）
• 採用 TO-263（DDPAK-5）封裝，便於散熱

典型應用場景

• 5G 基站電源：為控制邏輯和射頻模塊提供穩定的 5V 電源
• 汽車儀表板系統：為信息娛樂和顯示單元供電
• 工業控制系統：為微控制器和傳感器提供 5V 電源
• 電池供電設備：高效降壓轉換，適用於便攜設備
• 電信設備：為線路卡和路由器供電
• 消費電子產品：機頂盒、遊戲機和家庭自動化集線器

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LM2575SX-5.0/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]