Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
Available for RFQ
Technical data
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
LP3321B6F为微源半导体(LOWPOWER)推出的一款单通道升压型LED驱动器,采用SOT-23-6小型封装,面向便携设备和背光照明等空间受限、要求高效率与可调光方案的应用。芯片工作电压范围为DC 2.5V ~ 5.5V,开关频率固定为1MHz,工作温度范围-40℃ ~ +85℃。支持PWM与模拟调光,内置过温保护(OTP)与过压保护(OVP),适配严苛的工业与消费电子环境。
常见引脚安排示例包括:VIN(电源输入)、GND、SW(开关节点)、FB(反馈)、EN(芯片使能)和DIM(PWM调光输入)。具体引脚定义请参阅LP3321B6F数据手册以确认最终引脚排列与功能。
SOT-23-6封装热容有限,连续大电流工况下需评估芯片结温。保持良好散热路径(底层过孔、散热铜箔),并避免长时间在高温、高负载条件下工作。OTP与OVP为二次保护,设计时仍需保证外部元件不会导致异常热失控。
LP3321B6F以高频率、小封装与多种调光方式为优势,适合空间和成本受限的便携与消费类产品。选型时关注所需输出电流、工作效率与外围器件尺寸,结合PCB散热条件与系统热预算,选择匹配电感与二极管以获得最佳性能表现。
欲获取详细电气参数、典型波形和完整引脚定义,请参阅LP3321B6F完整数据手册或联系微源半导体技术支持。
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Use the form for single models, category sourcing, and multi-line BOM requirements.
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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