LM3478MM TI Switching Controllers | 8-VSSOP | 2.97V-40V Input, 1A Driver

Product Overview

The LM3478MM is a versatile, current-mode boost controller from Texas Instruments, designed for high-efficiency DC-DC conversion. It operates over a wide input voltage range of 2.97V to 40V and delivers a 1A peak gate drive, making it suitable for boost, flyback, and SEPIC topologies. Housed in an 8-pin VSSOP package, this device integrates a high-performance error amplifier, precision reference, and protection features, enabling compact power solutions for industrial, automotive, and telecom applications.

Detailed Technical Specifications

Key Features

• Wide input voltage range: 2.97V to 40V
• Current-mode control for fast transient response
• Programmable switching frequency up to 1 MHz
• 1A peak gate drive for external N-channel MOSFET
• Internal soft-start and undervoltage lockout (UVLO)
• Cycle-by-cycle current limiting and thermal shutdown
• Low shutdown current: < 1 µA

Target Applications

• 5G base station power supplies (e.g., boost from 12V to 28V for RF power amplifiers)
• Automotive dashboard displays (e.g., boost from 5V to 12V for LCD backlight)
• Industrial sensor nodes (e.g., SEPIC from 3.3V to 5V for isolated communication)
• Telecom line cards (e.g., flyback for isolated 48V to 5V conversion)
• Battery-powered equipment (e.g., boost from Li-ion 3.7V to 12V for portable instruments)

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LM3478MM. 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

LM3478MM 是德州儀器推出的一款多功能電流模式升壓控制器，專為高效 DC-DC 轉換設計。其輸入電壓範圍為 2.97V 至 40V，提供 1A 峰值柵極驅動，適用於升壓、反激和 SEPIC 拓撲。採用 8 引腳 VSSOP 封裝，集成高性能誤差放大器、精密基準和保護功能，為工業、汽車和電信應用提供緊湊的電源解決方案。

詳細技術參數

核心特性

• 寬輸入電壓範圍：2.97V 至 40V
• 電流模式控制，快速瞬態響應
• 可編程開關頻率高達 1 MHz
• 1A 峰值柵極驅動，用於外部 N 溝道 MOSFET
• 內部軟啟動和欠壓鎖定 (UVLO)
• 逐週期電流限制和熱關斷
• 低關斷電流：< 1 µA

典型應用場景

• 5G 基站電源（例如，從 12V 升壓至 28V 供 RF 功率放大器）
• 汽車儀表板顯示（例如，從 5V 升壓至 12V 供 LCD 背光）
• 工業傳感器節點（例如，SEPIC 從 3.3V 轉 5V 供隔離通信）
• 電信線路卡（例如，反激隔離 48V 轉 5V）
• 電池供電設備（例如，從鋰離子 3.7V 升壓至 12V 供便攜儀器）

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LM3478MM 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]