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.
MSDB628 是美森科(MSKSEMI)推出的一款升压型开关稳压器,采用升压拓扑、内置开关管、非同步整流设计。器件支持宽工作电压范围 2.5V~24V,开关频率 1.2MHz,静态电流仅 70µA,输出为可调类型,单通道输出,工作环境温度 -40℃~+85℃,封装为 SOT-23-6,适合体积受限且需低静耗的升压场景。
典型外部器件包括低 DCR 高饱和电流的功率电感、低正向压降的肖特基二极管、低 ESR 陶瓷电容以及反馈分压电阻。设计要点:
SOT-23-6 封装体积小,注意散热能力有限。布局要短且粗的电流回路,尽量把电感、肖特基、输出电容紧凑放置,输入电容靠近 VIN 和 GND 引脚,增加铜箔面积有助于热量散逸。高功率条件下评估温升并适当降额使用。
因为为非同步整流,MSDB628 在高输出电流或较大升压比时效率会受整流二极管损耗影响;若对效率有更高要求,可考虑同步整流方案。选择器件时参考完整数据手册中的开关最大电流、热阻与反馈电压参数以保证稳定工作。
MSDB628 以其宽输入电压、低静态电流和高开关频率,适合对尺寸和待机功耗有较高要求的升压场合。合理选择电感、肖特基和电容,并注意 PCB 布局与散热,可以在便携与工业应用中获得可靠且紧凑的升压解决方案。欲获取精确参数与典型电路,请参阅厂商数据手册。
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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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