LD39020ATPU185R ST Linear Voltage Regulator | 4-DFN(1x1) | 1.85V Output, 200mA

Product Overview

The LD39020ATPU185R is a high-performance, low-dropout (LDO) linear voltage regulator from STMicroelectronics, offering a fixed output voltage of 1.85V with a maximum output current of 200mA. Housed in a compact 4-DFN (1x1 mm) package, it is designed for space-constrained applications requiring low quiescent current and high power supply rejection ratio (PSRR). The device features enable logic, short-circuit protection, and thermal shutdown, making it ideal for battery-powered and noise-sensitive systems.

Detailed Technical Specifications

Key Features

• Ultra-low dropout voltage: 120 mV at 200 mA
• Low quiescent current: 30 µA (typical)
• High PSRR: 70 dB at 1 kHz
• Low output noise: 30 µVrms
• Enable pin for power management
• Short-circuit and thermal protection
• Stable with ceramic capacitors
• Compact 4-DFN (1x1 mm) package

Target Applications

• 5G base station power management
• Automotive dashboard displays
• Portable medical devices
• Wearable electronics
• IoT sensor nodes
• Battery-powered equipment

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LD39020ATPU185R. 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

LD39020ATPU185R 是意法半導體推出的一款高性能低壓差線性穩壓器，固定輸出電壓為 1.85V，最大輸出電流 200mA。採用緊湊的 4-DFN（1x1 mm）封裝，專為空間受限且需要低靜態電流和高電源抑制比的應用而設計。器件具備使能邏輯、短路保護和熱關斷功能，非常適合電池供電和噪聲敏感系統。

詳細技術參數

核心特性

• 超低壓差：120 mV @ 200 mA
• 低靜態電流：30 µA（典型）
• 高電源抑制比：70 dB @ 1 kHz
• 低輸出噪聲：30 µVrms
• 使能引腳用於電源管理
• 短路和熱保護
• 與陶瓷電容器穩定工作
• 緊湊的 4-DFN（1x1 mm）封裝

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
• 可穿戴電子產品
• 物聯網傳感器節點
• 電池供電設備

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LD39020ATPU185R 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]