LD49100PURY ST LDO Regulator | 6-DFN(3x3) | 1A, 0.8V to 5.5V

Product Overview

The LD49100PURY from STMicroelectronics is a high-performance, low-dropout (LDO) linear voltage regulator designed for applications requiring a compact, efficient power management solution. Housed in a 6-lead DFN package with a 3x3 mm footprint, this device delivers up to 1A of output current with an ultra-low dropout voltage of typically 200mV at full load. The LD49100PURY operates over a wide input voltage range from 1.5V to 5.5V and provides an adjustable output voltage from 0.8V to 5.5V, making it suitable for powering low-voltage digital cores, analog circuits, and RF blocks. Its high PSRR (power supply rejection ratio) of 70dB at 1kHz and low output noise of 30µV RMS ensure clean power delivery for noise-sensitive applications. The device also features enable control, current limiting, and thermal shutdown protection.

Detailed Technical Specifications

Key Features

• Ultra-low dropout voltage: 200mV typical at 1A
• High PSRR: 70dB at 1kHz
• Low output noise: 30µV RMS
• Adjustable output voltage from 0.8V to 5.5V
• Enable pin for power sequencing
• Current limiting and thermal shutdown protection
• Stable with ceramic capacitors
• RoHS compliant and halogen-free

Target Applications

• 5G base station power management (e.g., powering FPGA cores)
• Automotive dashboard displays and infotainment systems
• Portable medical devices (e.g., glucose monitors)
• Industrial sensors and IoT modules
• Wireless communication equipment (e.g., Wi-Fi modules)

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LD49100PURY. 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

LD49100PURY 是意法半導體（STMicroelectronics）推出的一款高性能低壓差線性穩壓器（LDO），專為需要緊湊、高效電源管理解決方案的應用而設計。該器件採用 6 引腳 DFN 封裝（3x3 mm），可提供高達 1A 的輸出電流，在滿載時典型壓差僅為 200mV。LD49100PURY 的工作輸入電壓範圍為 1.5V 至 5.5V，輸出電壓可調節至 0.8V 至 5.5V，適用於為低壓數字內核、模擬電路和射頻模塊供電。其高電源抑制比（PSRR）在 1kHz 時為 70dB，輸出噪聲低至 30µV RMS，確保為噪聲敏感型應用提供清潔的電源。該器件還具有使能控制、電流限制和熱關斷保護功能。

詳細技術參數

核心特性

• 超低壓差：1A 時典型值 200mV
• 高 PSRR：1kHz 時 70dB
• 低輸出噪聲：30µV RMS
• 可調輸出電壓：0.8V 至 5.5V
• 使能引腳，用於電源排序
• 電流限制和熱關斷保護
• 可與陶瓷電容器穩定工作
• 符合 RoHS 標準，無滷素

典型應用場景

• 5G 基站電源管理（例如為 FPGA 內核供電）
• 汽車儀表盤顯示和信息娛樂系統
• 便攜式醫療設備（例如血糖監測儀）
• 工業傳感器和物聯網模塊
• 無線通信設備（例如 Wi-Fi 模塊）

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LD49100PURY 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]