LM2575T-15/LF03 TI Simple Switcher | TO-220-5 | 15V Output, 1A Step-Down

Product Overview

The LM2575T-15/LF03 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 1A load with excellent line and load regulation. This device is available in a TO-220-5 package and is part of the Simple Switcher family, which requires only a minimum number of external components. The LM2575T-15/LF03 features a fixed output voltage of 15V and operates at a switching frequency of 52 kHz. It includes internal frequency compensation, a fixed-frequency oscillator, and a thermal shutdown circuit.

Detailed Technical Specifications

Key Features

• Fixed 15V output voltage
• 1A output current capability
• Wide input voltage range: 4.75V to 40V
• 52 kHz fixed-frequency internal oscillator
• Thermal shutdown and current limit protection
• Requires only 4 external components
• High efficiency up to 88%
• Low standby current

Target Applications

The LM2575T-15/LF03 is ideal for various applications including: 5G base station power supplies, automotive dashboard systems, industrial control systems, battery chargers, distributed power systems, and post-regulation for switching supplies. Its robust design and high efficiency make it suitable for powering sensors, microcontrollers, and other logic circuits in harsh environments.

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LM2575T-15/LF03. 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

LM2575T-15/LF03 是德州儀器（Texas Instruments）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-220-5封裝，屬於Simple Switcher系列，僅需最少的外部元件。LM2575T-15/LF03 具有固定的15V輸出電壓，開關頻率為52 kHz。它包含內部頻率補償、固定頻率振盪器和熱關斷電路。

詳細技術參數

核心特性

• 固定15V輸出電壓
• 1A輸出電流能力
• 寬輸入電壓範圍：4.75V 至 40V
• 52 kHz固定頻率內部振盪器
• 熱關斷和電流限制保護
• 僅需4個外部元件
• 高效率高達88%
• 低待機電流

典型應用場景

LM2575T-15/LF03 適用於多種應用，包括：5G基站電源、汽車儀表板系統、工業控制系統、電池充電器、分布式電源系統以及開關電源的後級穩壓。其堅固的設計和高效率使其適用於為傳感器、微控制器和其他邏輯電路供電，即使在惡劣環境中也能可靠工作。

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LM2575T-15/LF03 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。
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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。
• 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]