LM3489MMX/NOPB TI DC-DC Controller | 8-VSSOP | 4.5V-35V Input, 1A Output

Product Overview

The LM3489MMX/NOPB is a high-performance, non-synchronous buck controller from Texas Instruments, designed for step-down DC-DC conversion. It operates over a wide input voltage range of 4.5V to 35V and delivers up to 1A output current. Housed in a compact 8-VSSOP package, this controller integrates a high-side N-channel MOSFET driver and requires minimal external components, making it ideal for space-constrained applications. The device features adjustable output voltage, current limit, and soft-start, ensuring reliable and efficient power management.

Detailed Technical Specifications

Key Features

• Wide input voltage range: 4.5V to 35V
• Adjustable output voltage down to 1.25V
• High efficiency up to 90%
• Internal soft-start reduces inrush current
• Current limit protection
• Thermal shutdown
• Low shutdown current: 10 µA
• Small 8-VSSOP package

Target Applications

• 5G base station power supplies
• Automotive dashboard and infotainment systems
• Industrial control systems
• Telecom and networking equipment
• Battery-powered devices
• Point-of-load regulation

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LM3489MMX/NOPB. 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

LM3489MMX/NOPB 是德州儀器（TI）推出的一款高性能非同步降壓控制器，專為降壓 DC-DC 轉換設計。它支持 4.5V 至 35V 的寬輸入電壓範圍，輸出電流高達 1A。該器件採用緊湊的 8-VSSOP 封裝，集成了高側 N 溝道 MOSFET 驅動器，所需外部元件極少，非常適合空間受限的應用。它具有可調輸出電壓、電流限制和軟啟動功能，確保可靠高效的電源管理。

詳細技術參數

核心特性

• 寬輸入電壓範圍：4.5V 至 35V
• 可調輸出電壓低至 1.25V
• 高效率，最高可達 90%
• 內部軟啟動，減小浪湧電流
• 電流限制保護
• 熱關斷保護
• 低關斷電流：10 µA
• 小型 8-VSSOP 封裝

典型應用場景

• 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
• 負載點穩壓

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LM3489MMX/NOPB 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]