LD3985M33R ST LDO Regulator | SOT-23-5 | 3.3V Output, 150mA

Product Overview

The LD3985M33R is a low dropout voltage regulator from STMicroelectronics, offering a fixed output voltage of 3.3V and a maximum output current of 150mA. Housed in a compact SOT-23-5 package, it is designed for space-constrained applications requiring high accuracy and low quiescent current. The device features a dropout voltage as low as 200mV at full load, making it ideal for battery-powered systems. With an enable pin for power management and built-in protection features, the LD3985M33R ensures reliable operation in various electronic designs.

Detailed Technical Specifications

Key Features

• Low dropout voltage: 200mV at 150mA
• Low quiescent current: 85µA
• High output voltage accuracy: ±2%
• Enable pin for power saving
• Thermal shutdown and current limit protection
• Stable with low ESR ceramic capacitors
• RoHS compliant

Target Applications

The LD3985M33R is suitable for a wide range of applications, including:

• 5G base station power management modules
• Automotive dashboard displays and infotainment systems
• Portable battery-powered devices (e.g., smartphones, wearables)
• Industrial sensors and IoT modules
• Medical monitoring equipment

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LD3985M33R. 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

LD3985M33R 是意法半導體推出的低壓差穩壓器，提供固定的 3.3V 輸出電壓和最大 150mA 輸出電流。採用緊湊的 SOT-23-5 封裝，適用於對空間要求嚴格的應用，具有高精度和低靜態電流。在滿載條件下，壓差電壓低至 200mV，非常適合電池供電系統。該器件具有使能引腳以實現電源管理，並內建保護功能，確保在各種電子設計中可靠運行。

詳細技術參數

核心特性

• 低壓差：150mA 時 200mV
• 低靜態電流：85µA
• 高輸出電壓精度：±2%
• 使能引腳，節省功耗
• 熱關斷和電流限制保護
• 與低 ESR 陶瓷電容器穩定工作
• 符合 RoHS 標準

典型應用場景

LD3985M33R 適用於多種應用，包括：

• 5G 基站電源管理模組
• 汽車儀表板顯示和資訊娛樂系統
• 便攜式電池供電設備（如智慧手機、可穿戴設備）
• 工業感測器和 IoT 模組
• 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 LD3985M33R 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]