LDQ40PUR ST Power Management IC | - | 40V, 2A, Low Dropout

Product Overview

The LDQ40PUR from STMicroelectronics is a high-performance, low-dropout (LDO) voltage regulator designed for applications requiring a wide input voltage range and high output current. With an input voltage range up to 40V and output current capability of 2A, this device offers excellent line and load regulation, making it suitable for industrial, automotive, and telecom systems. The LDQ40PUR features a low dropout voltage of typically 300mV at full load, enabling efficient operation even with small input-to-output voltage differentials. It includes protection features such as overcurrent, overtemperature, and reverse current protection, ensuring robust performance in harsh environments.

Detailed Technical Specifications

Key Features

• Wide input voltage range: 4.5V to 40V
• High output current: 2A
• Low dropout voltage: 300mV typical at 2A
• Adjustable output voltage from 1.2V to 35V
• Excellent line and load regulation
• High PSRR: 60dB at 100Hz
• Protection: overcurrent, overtemperature, reverse current
• Enable function for power sequencing
• Stable with ceramic capacitors
• Small DFN8 package (3x3mm)

Target Applications

• 5G base station power supply modules
• Automotive infotainment and dashboard systems
• Industrial automation and control systems
• Telecom and networking equipment
• Medical devices requiring low noise
• Portable battery-powered equipment

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LDQ40PUR. 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

LDQ40PUR 是意法半導體（STMicroelectronics）推出的一款高性能低壓差穩壓器（LDO），專為需要寬輸入電壓範圍和高輸出電流的應用而設計。輸入電壓範圍高達 40V，輸出電流能力為 2A，具有優異的線性調整率和負載調整率，適用於工業、汽車和電信系統。LDQ40PUR 在滿載時典型壓差僅為 300mV，即使在輸入輸出電壓差較小的情況下也能高效運行。它包含過流、過溫和反向電流保護等功能，確保在惡劣環境下的穩健性能。

詳細技術參數

核心特性

• 寬輸入電壓範圍：4.5V 至 40V
• 高輸出電流：2A
• 低壓差：2A 時典型值 300mV
• 可調輸出電壓：1.2V 至 35V
• 優異的線性和負載調整率
• 高電源抑制比：100Hz 時 60dB
• 保護功能：過流、過溫、反向電流
• 使能功能，用於電源排序
• 可與陶瓷電容穩定工作
• 小型 DFN8 封裝（3x3mm）

典型應用場景

• 5G 基站電源模塊
• 汽車信息娛樂系統和儀表板
• 工業自動化和控制系統
• 電信和網絡設備
• 需要低噪聲的醫療設備
• 便攜式電池供電設備

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LDQ40PUR 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]