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.
LM2596DP-ADJ 是一款常用的降压(Buck)型开关稳压器,输出可调,适用于从中等到高电压输入向单路输出稳压电源的设计。该器件内置功率开关管,工作频率约150kHz,最大输出电流可达3A,适合为各种嵌入式、工业及通信设备提供高效电源转换。
SOP-8-PP 封装适合常规电路板装配,工作温度范围覆盖-40℃~+125℃,适用于多数工业及消费级场景。高功率工况下需关注封装热阻并通过PCB散热优化来保证长期可靠性。
输出电压由外部分压决定:Vout = Vref × (1 + R2/R1)(忽略调整引脚电流误差时)。
示例:若设定 Vout = 5.0V,取 R1 = 1kΩ,则 R2 ≈ (5.0/1.23 - 1) × 1kΩ ≈ 3.06kΩ(可取标准阻值3.0k或3.03k并做微调)。
常见配套:输入滤波电容(低ESR)、输出电解或固态电容(低ESR)、合适电感与肖特基二极管。建议参考参考设计与样板电路对关键元件和布局做最终确认。
备注:以上参数与设计建议基于 LM2596 类别器件的一般特性及您提供规格整理。实际设计请以器件数据手册与实验验证为准,并根据工作工况做好热设计与EMI控制。
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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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