WMSIC Electronic Components

XLSEMI XL2576S-12E1 XL2576S

ModelXL2576S-12E1
PackageTO-263-5
BrandXLSEMI
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
XLSEMI XL2576S-12E1
Type
XLSEMI
Minimum package
800 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
XLSEMI
Electronic Component
XL2576S-12E1
Electronic Component
1
Package
TO-263-5
Electronic Component
DC-DC Power Supply IC
Electronic Component
2.114g
Electronic Component
1
Features
Electronic Component
Type
Electronic Component
Electronic Component
BM0227760360
Operating Temperature
40℃~+85℃
Operating Voltage
4.5V~40V
Switching Frequency
52kHz
Electronic Component
Electronic Component
Output Voltage
12V

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

XL2576S-12E1 产品概述

一、产品简介

XL2576S-12E1 是芯龙(XLSEMI)推出的一款降压型(Buck)DC-DC 开关稳压器芯片,内置功率开关管,提供固定 12V 输出,最大输出电流可达 3A。器件工作电压范围广(4.5V~40V),适合车载、工业及通用电源转换场景,器件采用 TO-263-5 封装,额定工作温度为 -40℃~+85℃。

二、主要参数

  • 功能类型:降压型(Buck)
  • 输入电压:4.5V ~ 40V
  • 输出电压:固定 12V
  • 输出电流:3A(最大)
  • 开关频率:52kHz
  • 静态电流(Iq):约 2mA
  • 开关管:内置
  • 输出通道数:1 路
  • 拓扑结构:降压式
  • 封装:TO-263-5
  • 工作温度:-40℃ ~ +85℃

三、特点与优势

  • 内置功率开关管,外围器件简单,适合快速实现中功率稳压模块。
  • 宽输入电压范围,适配常见汽车蓄电池及高压工业母线。
  • 低静态电流(约 2mA),在轻载或待机状态下有利于降低系统静态功耗。
  • 52kHz 开关频率在磁性元件尺寸与开关损耗之间取得平衡,有利于成本与热管理优化。
  • TO-263-5 封装便于 PCB 安装与散热设计,适合插装或波峰/回流焊工艺。

四、典型应用场景

  • 汽车电子 12V/5V 等辅助电源(需注意瞬态与浪涌保护)
  • 工业控制电源与驱动电源
  • 通信设备的局部稳压模块
  • 消费类中功率电源模块与嵌入式系统供电

五、设计与使用建议

  • 外围器件:需根据参考电路选配合适电感(额定电流 >3A,饱和电流余量)、低 ESR 输入/输出电容以抑制纹波和改善瞬态响应;是否需要外接肖特基二极管取决于芯片是否为同步整流架构,应参照具体数据表。
  • 散热与 PCB 布局:TO-263-5 的散热依赖底部及铜箔面积,建议在芯片下方与热引脚处做大面积铜箔并配合多孔过孔导热至背面散热层。注意把输入去耦、开关节点与输出滤波器布置紧凑,减小环路面积以降低 EMI。
  • 保护与可靠性:设计时应考虑输入浪涌保护、输出过流/短路检测与热管理策略,保证长期可靠运行;在高温或高负载工况下评估功耗与结温。
  • 开关频率影响:52kHz 的频率使得电感和电容体积适中,若需更小尺寸可评估更高频率产品或同步整流方案。

六、封装与环境规范

TO-263-5 封装便于散热与中功率应用,建议按器件数据手册的焊接温度曲线进行回流/波峰焊。工作环境温度范围 -40℃~+85℃,在极端环境下应综合考虑热设计与可靠性验证。

总结:XL2576S-12E1 以其宽输入电压、内置开关、低静态电流和中等开关频率的特点,适合多种中功率降压场合。选型与设计时以官方数据表为准,并针对散热、滤波与保护做充分工程验证。

Request for quote

Send RFQ

Use the form for single models, category sourcing, and multi-line BOM requirements.

Send your target model and quantity.

Product sourcing intelligence

Model, package, availability, and BOM fit reviewed before quotation.

WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.

Electronic component model and package intelligence review on an ESD-safe inspection bench

Model & package intelligence

Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.

BOM matching and alternative component comparison workstation with protected IC samples

BOM matching & alternatives

BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.

Electronic component sourcing availability dashboard with ESD-protected samples

Sourcing availability signal

Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.

Buyer sourcing scenarios

Examples of how common component sourcing requests are organized.

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.

Package confirmation Typical RFQ workflow

A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.

Mixed BOM triage Typical RFQ workflow

The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.

Obsolete-part review Typical RFQ workflow

Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.

Small-batch request Typical RFQ workflow

Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.

Repair batch evidence Typical RFQ workflow

When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.

Model suffix clarification Typical RFQ workflow

Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.

Export handoff Typical RFQ workflow

The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.

Replenishment inquiry Typical RFQ workflow

Related products

Packaged components ready for RFQ.