LD2981ABU50TR ST LDO Regulator | SOT-89-3 | 5V Output, 100mA

Product Overview

The LD2981ABU50TR from STMicroelectronics is a high-performance low-dropout (LDO) voltage regulator designed for applications requiring a stable 5V output with up to 100mA of load current. Housed in a compact SOT-89-3 package, this device offers excellent line and load regulation, making it ideal for noise-sensitive circuits. With a dropout voltage as low as 0.2V at 100mA, it ensures efficient operation even under low input voltage conditions.

Detailed Technical Specifications

Key Features

• Low dropout voltage: 0.2V at 100mA
• Low quiescent current: 150µA
• High output voltage accuracy: ±1%
• Wide input voltage range: 2.5V to 16V
• Thermal shutdown and current limit protection
• Stable with low ESR ceramic capacitors

Target Applications

The LD2981ABU50TR is suitable for a variety of applications including 5G base station power management, automotive dashboard displays, industrial sensors, battery-powered devices, and portable consumer electronics. Its low dropout and low quiescent current make it ideal for always-on systems where power efficiency is critical.

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LD2981ABU50TR. 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

LD2981ABU50TR 是意法半導體（STMicroelectronics）推出的一款高性能低壓差（LDO）穩壓器，提供穩定的5V輸出，最大負載電流100mA。採用緊湊的SOT-89-3封裝，具有優異的線性和負載調整率，適用於對噪聲敏感的電路。在100mA負載下，壓差電壓低至0.2V，確保在低輸入電壓條件下高效運行。

詳細技術參數

核心特性

• 低壓差：100mA時0.2V
• 低靜態電流：150µA
• 高輸出電壓精度：±1%
• 寬輸入電壓範圍：2.5V至16V
• 過熱關斷和電流限制保護
• 可與低ESR陶瓷電容穩定工作

典型應用場景

LD2981ABU50TR 適用於多種應用，包括5G基站電源管理、汽車儀表盤顯示、工業傳感器、電池供電設備以及便攜式消費電子產品。其低壓差和低靜態電流特性使其成為常開系統中對功耗敏感的應用的理想選擇。

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LD2981ABU50TR 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]