L4941BDT-TR ST Voltage Regulator | DPAK | 1A Output, 5V Fixed

Product Overview

The L4941BDT-TR from STMicroelectronics is a low-dropout voltage regulator designed for automotive and industrial applications. It delivers a fixed output voltage of 5V with a maximum output current of 1A. The device is housed in a DPAK package, offering excellent thermal performance and compact footprint. With a dropout voltage as low as 0.4V at 1A, it ensures efficient operation even under low input voltage conditions. The L4941BDT-TR includes built-in protection features such as overcurrent and thermal shutdown, making it a reliable choice for power management in harsh environments.

Detailed Technical Specifications

Key Features

• Fixed 5V output voltage with ±2% accuracy
• Low dropout voltage: 0.4V at 1A
• Output current up to 1A
• Wide input voltage range: 6V to 26V
• Low quiescent current: 2 mA
• Built-in overcurrent and thermal protection
• Stable with low ESR output capacitors
• DPAK package for efficient heat dissipation

Target Applications

• Automotive infotainment systems (e.g., dashboard displays, GPS modules)
• Industrial control units (e.g., PLCs, motor drives)
• 5G base station power management
• Battery-powered equipment (e.g., portable instruments)
• Home appliances (e.g., smart meters, IoT gateways)

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for L4941BDT-TR. 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

L4941BDT-TR 是意法半導體（STMicroelectronics）推出的一款低壓差穩壓器，專為汽車和工業應用設計。它提供固定的 5V 輸出電壓，最大輸出電流為 1A。器件採用 DPAK 封裝，具有優異的熱性能和緊湊的佔板面積。在 1A 負載下，壓差電壓低至 0.4V，確保在低輸入電壓條件下高效運行。L4941BDT-TR 內置過流和熱關斷保護功能，使其成為惡劣環境下電源管理的可靠選擇。

詳細技術參數

核心特性

• 固定 5V 輸出電壓，精度 ±2%
• 低壓差電壓：1A 時 0.4V
• 輸出電流高達 1A
• 寬輸入電壓範圍：6V 至 26V
• 低靜態電流：2 mA
• 內置過流和熱保護
• 可與低 ESR 輸出電容穩定工作
• DPAK 封裝，散熱效率高

典型應用場景

• 汽車信息娛樂系統（例如儀表板顯示器、GPS 模塊）
• 工業控制單元（例如 PLC、電機驅動器）
• 5G 基站電源管理
• 電池供電設備（例如便攜式儀器）
• 家用電器（例如智能電錶、物聯網網關）

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 L4941BDT-TR 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]