ST1S41PHR ST Step-Down Regulator | 8-HSOP | 4A Output, 4.0V-18V Input

Product Overview

The ST1S41PHR is a high-performance step-down switching regulator from STMicroelectronics, designed for applications requiring up to 4A output current. It operates from an input voltage range of 4.0V to 18V, making it suitable for a wide variety of power supply designs. The device is housed in an 8-pin HSOP package, which offers excellent thermal performance and a compact footprint. With its high efficiency, fast transient response, and integrated protection features, the ST1S41PHR is an ideal choice for powering modern electronic systems.

Detailed Technical Specifications

Key Features

• High efficiency up to 95% reduces power loss and heat generation.
• Integrated power MOSFETs minimize external component count.
• Fast transient response ensures stable output voltage under dynamic loads.
• Adjustable output voltage via external resistor divider.
• Comprehensive protection: overcurrent, overtemperature, and UVLO.
• Soft-start function limits inrush current during startup.
• Enable pin for power sequencing and shutdown control.

Target Applications

• 5G base station power supplies: Provides efficient and reliable power for RF transceivers and digital processing units.
• Automotive dashboard and infotainment systems: Delivers regulated voltage for microcontrollers, displays, and audio amplifiers.
• Industrial automation equipment: Powers sensors, actuators, and communication modules.
• Telecom and networking equipment: Suitable for routers, switches, and servers requiring high current density.
• Consumer electronics: Used in gaming consoles, set-top boxes, and high-end audio systems.

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for ST1S41PHR. 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

ST1S41PHR 是意法半導體推出的一款高性能降壓開關穩壓器，專為需要高達 4A 輸出電流的應用而設計。其輸入電壓範圍為 4.0V 至 18V，適用於多種電源設計。器件採用 8 引腳 HSOP 封裝，具有優異的熱性能和緊湊的尺寸。憑藉高效率、快速瞬態響應和集成保護功能，ST1S41PHR 是為現代電子系統供電的理想選擇。

詳細技術參數

核心特性

• 高達 95% 的效率，降低功耗和發熱。
• 集成功率 MOSFET，減少外部元件數量。
• 快速瞬態響應，確保動態負載下輸出電壓穩定。
• 通過外部電阻分壓器可調輸出電壓。
• 全面保護：過流、過溫和欠壓鎖定。
• 軟啟動功能限制啟動時的浪湧電流。
• 使能引腳用於電源排序和關斷控制。

典型應用場景

• 5G 基站電源：為射頻收發器和數字處理單元提供高效可靠的電源。
• 汽車儀表盤和信息娛樂系統：為微控制器、顯示器和音頻放大器提供穩壓電源。
• 工業自動化設備：為傳感器、執行器和通信模塊供電。
• 電信和網絡設備：適用於需要高電流密度的路由器、交換機和服務器。
• 消費電子：用於遊戲機、機頂盒和高級音響系統。

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 ST1S41PHR 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]