Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
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Technical data
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
LM2575HVS-5.0/TR 是一款降压型(Buck)开关稳压器产品概述(基于提供参数)。该器件为单通道、固定输出 5.0V 的降压电源芯片,内置开关管,非同步整流结构,适用于输入电压较高的直流电源场景。器件工作电压范围为 40V60V,最大输出电流 1A,典型开关频率约 52kHz,工作温度范围 -40℃+125℃,封装为 TO-263-5,静态电流约 50μA,适合在对功耗、体积和成本有综合要求的工业级应用中使用。
芯片通过内部开关管以恒定频率对外部电感进行驱动,控制占空比以实现从高压输入降到稳定的 5V 输出。由于为非同步整流结构,开关关断时输出端电流通过外置肖特基二极管回流。内部含有基本的保护功能(过流、过温保护等),但设计时仍需合理选择外部元件与布局以确保稳定与可靠。
总结:LM2575HVS-5.0/TR(基于以上参数)为一款面向高输入电压、低至中等功率等级的降压稳压解决方案,适合对成本与系统复杂度敏感但需要稳定 5V 输出的工业与嵌入式应用。合理的外部器件选择与良好的 PCB 布局是获得高效率、低纹波与长可靠寿命的关键。
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Product sourcing intelligence
WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.
Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.
Buyer sourcing scenarios
Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.
The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.
A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.
The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.
Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.
Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.
When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.
Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.
The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.
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