L7987LTR ST Step-Down Regulator | 16-HTSSOP | 61V, 3A, 250kHz

Product Overview

The L7987LTR is a step-down switching regulator from STMicroelectronics, featuring a wide input voltage range of 4.5V to 61V and a continuous output current of up to 3A. Housed in a compact 16-HTSSOP package, it integrates a high-side N-channel MOSFET and provides high efficiency over a broad load range. The device operates at a fixed switching frequency of 250kHz, with optional synchronization to an external clock. It includes comprehensive protection features such as overcurrent, thermal shutdown, and undervoltage lockout.

Detailed Technical Specifications

Key Features

• Wide input voltage range: 4.5V to 61V
• 3A continuous output current
• Integrated high-side N-channel MOSFET
• Fixed 250kHz switching frequency with external synchronization
• Adjustable output voltage from 0.8V
• High efficiency up to 90%
• Overcurrent and thermal protection
• Undervoltage lockout (UVLO)
• Soft-start function
• Enable pin for power sequencing

Target Applications

The L7987LTR is ideal for a variety of applications requiring efficient step-down conversion from high-voltage rails. Specific examples include:

• 5G base station power supplies
• Automotive dashboard and infotainment systems
• Industrial control systems
• Telecom and networking equipment
• Battery-powered devices
• Distributed power architectures

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for L7987LTR. 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

L7987LTR 是意法半導體（STMicroelectronics）推出的一款降壓開關穩壓器，具有 4.5V 至 61V 的寬輸入電壓範圍和最高 3A 的連續輸出電流。該器件採用緊湊的 16-HTSSOP 封裝，內置高側 N 溝道 MOSFET，可在較寬的負載範圍內提供高效率。它工作在 250kHz 的固定開關頻率，並可選擇與外部時鐘同步。器件包含全面的保護功能，如過流保護、熱關斷和欠壓鎖定。

詳細技術參數

核心特性

• 寬輸入電壓範圍：4.5V 至 61V
• 3A 連續輸出電流
• 內置高側 N 溝道 MOSFET
• 固定 250kHz 開關頻率，支持外部同步
• 可調輸出電壓，最低 0.8V
• 高效率，最高可達 90%
• 過流保護和熱關斷
• 欠壓鎖定（UVLO）
• 軟啟動功能
• 使能引腳，用於電源排序

典型應用場景

L7987LTR 適用於需要從高壓軌進行高效降壓轉換的多種應用。具體實例包括：

• 5G 基站電源
• 汽車儀表盤和信息娛樂系統
• 工業控制系統
• 電信和網絡設備
• 電池供電設備
• 分布式電源架構

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 L7987LTR 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]