STBB3JR ST 电源管理IC | 20-倒装芯片（2.52x1.76） | 3A输出, 2.5V-5.5V输入

Product Overview

The STBB3JR is a high-efficiency, step-down switching regulator from STMicroelectronics, designed for compact power management solutions. It operates from an input voltage range of 2.5V to 5.5V and delivers up to 3A of continuous output current. Housed in a 20-pin flip-chip package measuring 2.52x1.76mm, this device is ideal for space-constrained applications requiring high power density.

Detailed Technical Specifications

Key Features

• High efficiency up to 95% reduces thermal dissipation
• Low quiescent current of 25µA extends battery life
• 2.4MHz switching frequency allows small external components
• Power Good output for sequencing
• Overcurrent and thermal protection
• Adjustable output voltage from 0.6V to VIN

Target Applications

• 5G base station power supplies
• Automotive dashboard and infotainment systems
• Portable and battery-powered devices
• Industrial sensors and IoT modules
• Networking equipment like routers and switches

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for STBB3JR. 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

STBB3JR是意法半导体推出的一款高效降压开关稳压器，专为紧凑型电源管理解决方案设计。它支持2.5V至5.5V的输入电压范围，可提供高达3A的连续输出电流。采用20引脚倒装芯片封装，尺寸为2.52x1.76mm，非常适合需要高功率密度的空间受限应用。

詳細技術參數

核心特性

• 高達95%的效率，降低熱損耗
• 25µA低靜態電流，延長電池壽命
• 2.4MHz開關頻率，可使用小型外部元件
• Power Good輸出，用於電源時序控制
• 過流和過熱保護
• 可調輸出電壓，從0.6V至VIN

典型應用場景

• 5G基站電源
• 汽車儀表板和資訊娛樂系統
• 可攜式和電池供電設備
• 工業傳感器和IoT模組
• 網絡設備，如路由器和交換機

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 STBB3JR 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]