L4931CD33-TR ST LDO Regulator | 8-SOIC | 3.3V Output, 300mA

Product Overview

The L4931CD33-TR is a low dropout voltage regulator from STMicroelectronics, offering a fixed output voltage of 3.3V and a maximum output current of 300mA. Housed in an 8-SOIC package, this device is designed for applications requiring low quiescent current and high accuracy. Its dropout voltage is typically 0.4V at full load, making it suitable for battery-powered systems. The regulator includes internal protection features such as thermal shutdown and current limiting.

Detailed Technical Specifications

Key Features

• Low dropout voltage: 0.4V typical at 300mA
• Low quiescent current: 0.5mA typical
• High output voltage accuracy: ±2%
• Internal thermal shutdown and current limiting
• Wide input voltage range: 2.5V to 16V
• Stable with low ESR capacitors

Target Applications

• 5G base station power management
• Automotive dashboard power supply
• Industrial sensor modules
• Battery-powered portable devices
• Home automation controllers

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for L4931CD33-TR. 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

L4931CD33-TR 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 300mA 輸出電流。採用 8-SOIC 封裝，適用於需要低靜態電流和高精度的應用。在滿載條件下，典型壓差為 0.4V，適合電池供電系統。該穩壓器包含內部保護功能，如熱關斷和電流限制。

詳細技術參數

核心特性

• 低壓差：典型 0.4V @ 300mA
• 低靜態電流：典型 0.5mA
• 高輸出電壓精度：±2%
• 內部熱關斷和電流限制
• 寬輸入電壓範圍：2.5V 至 16V
• 可與低 ESR 電容穩定工作

典型應用場景

• 5G 基站電源管理
• 汽車儀表板電源
• 工業傳感器模塊
• 電池供電便攜設備
• 智能家居控制器

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 L4931CD33-TR 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]