LM2940S-12 TI LDO Regulator | TO-263 (DDPAK-3) | 12V Output, 1A Current

Product Overview

The LM2940S-12 from Texas Instruments is a low dropout voltage regulator designed to provide a fixed 12V output with a maximum output current of 1A. Housed in the TO-263 (DDPAK-3) package, this device offers excellent line and load regulation, making it suitable for a wide range of applications. With a dropout voltage typically 0.5V at full load, it ensures efficient operation even when the input voltage is close to the output. The LM2940S-12 features internal current limiting and thermal shutdown protection, enhancing system reliability.

Detailed Technical Specifications

Key Features

• Fixed 12V output with 1A current capability
• Low dropout voltage: 0.5V typical at 1A
• Internal current limiting and thermal shutdown
• Excellent line and load regulation
• Wide operating temperature range
• Surface-mount TO-263 package for compact designs

Target Applications

The LM2940S-12 is ideal for powering 12V rails in various systems. Specific applications include:

• 5G base station power modules
• Automotive dashboard displays and infotainment systems
• Industrial control systems
• Telecommunication equipment
• Portable instrumentation

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LM2940S-12. 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

LM2940S-12 是德州儀器（TI）推出的一款低壓差穩壓器，提供固定的 12V 輸出，最大輸出電流為 1A。採用 TO-263（DDPAK-3）封裝，具有優異的線性和負載調整率，適用於多種應用場景。在滿載條件下，典型壓差僅為 0.5V，確保在輸入電壓接近輸出電壓時仍能高效工作。該器件內置電流限制和熱關斷保護，增強系統可靠性。

詳細技術參數

核心特性

• 固定 12V 輸出，1A 電流能力
• 低壓差：1A 時典型值 0.5V
• 內置電流限制和熱關斷保護
• 優異的線性和負載調整率
• 寬工作溫度範圍
• 表面貼裝 TO-263 封裝，適合緊湊設計

典型應用場景

LM2940S-12 適用於為各種系統中的 12V 軌供電。具體應用包括：

• 5G 基站電源模塊
• 汽車儀表板顯示屏和信息娛樂系統
• 工業控制系統
• 電信設備
• 便攜式儀器

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LM2940S-12 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]