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.
IB0505S-2W 是 YLPTEC(易川) 推出的一款小功率开关型 DC-DC 模块,采用 SIP-4 封装,面向对尺寸、效率与可靠性有综合要求的嵌入式电源场合。该模块在 5V 电源系统中提供稳定的 5V 输出,额定输出功率 2W,具有短路保护和宽温度工作范围,适合工业级和消费级多种应用。
在满载(2W)工作时,依据转换效率 72% 计算:
因此在设计 PCB 和散热时,应考虑模块约 0.7~0.8W 的热耗散。建议在模块下方或附近布置适当铜箔(GND/POWER plane)以利传导散热,并保证有自然对流或少量风流时仍能可靠工作,特别是在高环境温度或封闭空间内。
模块最大容性负载为 100µF,超过该值可能导致输出环路不稳定或起振。为保证动态响应与低纹波,推荐:
模块工作频率约 100kHz,属于低中频开关源,会产生开关谐波与瞬态干扰。布板与布局建议:
模块具备短路保护功能,在输出短路或过流情况下可限制输出电流以防止器件损坏,增强系统的可靠性。工作温度范围宽(-40℃~+85℃),适用于工业级环境,但在高温高负载工况下应评估降额使用和加强散热设计。
总结:IB0505S-2W 在小尺寸 SIP-4 封装下提供稳定的 5V/400mA 输出,适合对空间、成本与基础保护有均衡需求的电源方案。合理的 PCB 布局与热管理可确保长期可靠运行。若需更详细的电气特性曲线或封装引脚图,建议索取完整数据手册。
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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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