LD2981ABU33TR ST LDO Regulator | SOT-89-3 | 3.3V Output, 150mA

Product Overview

The LD2981ABU33TR from STMicroelectronics is a high-performance low-dropout (LDO) linear voltage regulator designed for applications requiring a stable 3.3V output with up to 150mA of current. Housed in a compact SOT-89-3 package, it offers excellent line and load regulation, low quiescent current, and a dropout voltage as low as 0.2V at full load. This device is ideal for battery-powered equipment, portable devices, and industrial control systems where power efficiency and space constraints are critical.

Detailed Technical Specifications

Key Features

• Low dropout voltage: 0.2V at 150mA
• Low quiescent current: 1.5mA
• High output voltage accuracy: ±2%
• Internal current and thermal protection
• Stable with low ESR ceramic capacitors
• Wide operating temperature range: -40°C to +125°C

Target Applications

• 5G base station power management
• Automotive dashboard displays
• Portable medical devices
• Industrial sensor modules
• Battery-powered IoT devices

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LD2981ABU33TR. 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

LD2981ABU33TR 是意法半導體（STMicroelectronics）推出的一款高性能低壓差線性穩壓器，提供穩定的3.3V輸出，最大輸出電流150mA。採用緊湊的SOT-89-3封裝，具有優異的線性和負載調整率、低靜態電流以及滿載時僅0.2V的壓差。該器件非常適合電池供電設備、便攜式設備和工業控制系統等對電源效率和空間有嚴格要求的應用。

詳細技術參數

核心特性

• 低壓差：150mA時僅0.2V
• 低靜態電流：1.5mA
• 高輸出電壓精度：±2%
• 內置電流和熱保護
• 可與低ESR陶瓷電容穩定工作
• 寬工作溫度範圍：-40°C至+125°C

典型應用場景

• 5G基站電源管理
• 汽車儀表盤顯示
• 便攜式醫療設備
• 工業傳感器模塊
• 電池供電的物聯網設備

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LD2981ABU33TR 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]