LDS3985PU18RY ST LDO Regulator | 6-DFN(3x3) | 1.8V Output, 300mA

Product Overview

The LDS3985PU18RY is a high-performance, low-dropout linear voltage regulator from STMicroelectronics, offering a fixed output voltage of 1.8V with a maximum output current of 300mA. Housed in a compact 6-DFN (3x3mm) package, it is designed for space-constrained applications requiring low noise and high power supply rejection ratio (PSRR). The device features ultra-low dropout voltage, making it ideal for battery-powered systems.

Detailed Technical Specifications

Key Features

• Ultra-low dropout voltage: 200mV at 300mA
• High PSRR: 70dB at 1kHz
• Low output noise: 30µVrms
• Low quiescent current: 85µA
• Stable with ceramic capacitors
• Thermal shutdown and current limit protection
• Enable function for power saving

Target Applications

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

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LDS3985PU18RY. 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

LDS3985PU18RY 是意法半导体推出的一款高性能低压差线性稳压器，提供固定1.8V输出电压和最大300mA输出电流。采用紧凑的6-DFN（3x3mm）封装，适用于对低噪声和高电源抑制比（PSRR）有严格要求的空间受限应用。该器件具有超低 dropout 电压，非常适合电池供电系统。

詳細技術參數

核心特性

• 超低压差：300mA时仅200mV
• 高PSRR：1kHz时70dB
• 低输出噪声：30µVrms
• 低静态电流：85µA
• 可与陶瓷电容稳定工作
• 热关断和限流保护
• 使能功能，节省功耗

典型應用場景

• 5G基站电源管理
• 汽车仪表盘显示
• 便携式医疗设备
• 工业传感器模块
• 物联网无线模块

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LDS3985PU18RY 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]