LMR33640DDDAR TI DC-DC Converter | 8-SO-POWERPAD | 36V, 4A, 2.1MHz

Product Overview

The LMR33640DDDAR from Texas Instruments is a high-performance synchronous step-down DC-DC converter designed for industrial and automotive applications. It operates from an input voltage range of 3.8V to 36V and delivers up to 4A of continuous output current. The device is housed in an 8-pin SO PowerPAD package, which provides excellent thermal performance. With a switching frequency of up to 2.1MHz, the LMR33640DDDAR enables compact power supply designs with minimal external components.

Detailed Technical Specifications

Key Features

• Integrated high-side and low-side MOSFETs
• Peak current mode control with internal compensation
• Adjustable soft-start to reduce inrush current
• Precision enable input with hysteresis
• Power-good output for sequencing and fault reporting
• Overcurrent, overvoltage, and thermal shutdown protection
• Low quiescent current (40µA typical) for light-load efficiency

Target Applications

• 5G base station power supplies
• Automotive infotainment and dashboard systems
• Industrial automation and control systems
• Telecommunications equipment
• Battery-powered devices

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LMR33640DDDAR. 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

LMR33640DDDAR 是德州儀器（TI）推出的一款高性能同步降壓 DC-DC 轉換器，專為工業和汽車應用設計。其輸入電壓範圍為 3.8V 至 36V，可提供高達 4A 的連續輸出電流。器件採用 8 引腳 SO PowerPAD 封裝，具有出色的熱性能。開關頻率高達 2.1MHz，可實現緊湊的電源設計，所需外部元件極少。

詳細技術參數

核心特性

• 集成高側和低側 MOSFET
• 峰值電流模式控制，內部補償
• 可調軟啟動，減小浪湧電流
• 精密使能輸入，帶遲滯
• 電源正常輸出，用於排序和故障報告
• 過流、過壓和熱關斷保護
• 低靜態電流（典型值 40µA），輕載高效

典型應用場景

• 5G 基站電源
• 汽車信息娛樂和儀表板系統
• 工業自動化和控制系統
• 電信設備
• 電池供電設備

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LMR33640DDDAR 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]