L7981ATR ST Step-Down Regulator | 8-HSOP | 2A, 4.5V-28V Input

Product Overview

The L7981ATR is a step-down switching regulator from STMicroelectronics, designed for high-efficiency power conversion. It operates from an input voltage range of 4.5V to 28V and delivers up to 2A of continuous output current. The device is housed in a compact 8-HSOP package, making it suitable for space-constrained applications. With integrated power MOSFETs and a fixed 250kHz switching frequency, the L7981ATR offers a simple and reliable solution for various power supply designs.

Detailed Technical Specifications

Key Features

• Integrated 2A power MOSFET
• Internal compensation
• Enable function with low standby current
• Overcurrent and thermal protection
• Soft-start to limit inrush current

Target Applications

The L7981ATR is ideal for a wide range of applications including: 5G base station power supplies, automotive dashboard systems, industrial control units, point-of-load converters, and battery-powered devices.

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for L7981ATR. 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

L7981ATR是意法半导体推出的一款降压开关稳压器，专为高效电源转换设计。其输入电压范围为4.5V至28V，可提供高达2A的连续输出电流。器件采用紧凑的8-HSOP封装，适用于空间受限的应用。凭借集成的功率MOSFET和固定的250kHz开关频率，L7981ATR为各种电源设计提供了简单可靠的解决方案。

詳細技術參數

核心特性

• 集成2A功率MOSFET
• 内部补偿
• 使能功能，低待机电流
• 过流和热保护
• 软启动限制浪涌电流

典型應用場景

L7981ATR适用于多种应用，包括：5G基站电源、汽车仪表盘系统、工业控制单元、负载点转换器以及电池供电设备。

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 L7981ATR 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]