L4973D3.3-013TR ST Voltage Regulator | 20-SO | 3.3V Output, 3.5A

Product Overview

The L4973D3.3-013TR is a step-down switching voltage regulator from STMicroelectronics, designed to deliver up to 3.5A output current with a fixed 3.3V output voltage. Housed in a compact 20-SO package, this device offers high efficiency and reliability for a wide range of power supply applications. Its wide input voltage range (8V to 55V) makes it suitable for industrial, automotive, and telecommunications systems.

Detailed Technical Specifications

Key Features

• Fixed 3.3V output with high accuracy (±2%)
• High output current capability up to 3.5A
• Wide input voltage range for versatile applications
• Adjustable switching frequency for design flexibility
• Integrated protection features enhance system reliability
• Low standby current consumption
• Compact 20-SO package for space-constrained designs

Target Applications

• 5G base station power supplies
• Automotive infotainment and dashboard systems
• Industrial control systems and PLCs
• Telecommunications equipment
• Point-of-load regulation for FPGAs and ASICs
• Battery-powered devices requiring efficient step-down conversion

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for L4973D3.3-013TR. 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

L4973D3.3-013TR 是意法半導體推出的降壓開關穩壓器，可提供高達 3.5A 的輸出電流，固定輸出電壓為 3.3V。採用緊湊的 20-SO 封裝，該器件在寬輸入電壓範圍（8V 至 55V）內具有高效率和高可靠性，適用於工業、汽車和電信系統等多種電源應用。

詳細技術參數

核心特性

• 固定 3.3V 輸出，精度高（±2%）
• 高輸出電流能力，最高 3.5A
• 寬輸入電壓範圍，適用多種應用
• 可調開關頻率，設計靈活
• 集成保護功能，增強系統可靠性
• 低待機電流消耗
• 緊湊的 20-SO 封裝，節省空間

典型應用場景

• 5G 基站電源
• 汽車信息娛樂系統和儀表板
• 工業控制系統和 PLC
• 電信設備
• FPGA 和 ASIC 的負載點穩壓
• 需要高效降壓轉換的電池供電設備

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 L4973D3.3-013TR 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]