LDK320AU50R ST LDO Regulator | SOT-89 | 5.0V Output, 200mA

Product Overview

The LDK320AU50R is a low-dropout (LDO) voltage regulator from STMicroelectronics, offering a fixed output voltage of 5.0V with a maximum output current of 200mA. Housed in a compact SOT-89 package, it is designed for space-constrained applications requiring stable and efficient power regulation. The device features a low dropout voltage of typically 200mV at full load, making it suitable for battery-powered systems. With a wide input voltage range from 2.5V to 18V, it provides flexibility for various power supply designs. The LDK320AU50R also includes protection features such as thermal shutdown and current limiting, ensuring reliable operation under fault conditions.

Detailed Technical Specifications

Key Features

• Fixed 5.0V output voltage with ±2% accuracy
• Low dropout voltage: 200mV typical at 200mA
• Wide input voltage range: 2.5V to 18V
• Low quiescent current: 60µA typical
• High PSRR: 60dB at 1kHz
• Thermal shutdown and current limit protection
• Stable with low ESR ceramic capacitors
• Compact SOT-89 package for space-saving designs

Target Applications

• 5G base station power management modules
• Automotive dashboard displays and infotainment systems
• Industrial sensor nodes and IoT devices
• Battery-powered portable equipment
• Home automation controllers
• Medical monitoring devices

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LDK320AU50R. 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

LDK320AU50R 是意法半導體（STMicroelectronics）推出的一款低壓差線性穩壓器（LDO），提供固定的 5.0V 輸出電壓，最大輸出電流為 200mA。該器件採用緊湊的 SOT-89 封裝，適用於空間受限且需要穩定高效電源調節的應用。在滿載條件下，典型壓差電壓僅為 200mV，使其非常適合電池供電系統。輸入電壓範圍寬達 2.5V 至 18V，為各種電源設計提供了靈活性。LDK320AU50R 還包含熱關斷和電流限制等保護功能，確保在故障條件下可靠運行。

詳細技術參數

核心特性

• 固定 5.0V 輸出電壓，精度 ±2%
• 低壓差：200mV 典型值 @ 200mA
• 寬輸入電壓範圍：2.5V 至 18V
• 低靜態電流：60µA 典型值
• 高 PSRR：60dB @ 1kHz
• 熱關斷和電流限制保護
• 可與低 ESR 陶瓷電容穩定工作
• 緊湊 SOT-89 封裝，節省空間

典型應用場景

• 5G 基站電源管理模塊
• 汽車儀表盤顯示和信息娛樂系統
• 工業傳感器節點和物聯網設備
• 電池供電的便攜設備
• 家庭自動化控制器
• 醫療監測設備

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LDK320AU50R 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]