WMSIC Electronic Components

XLSEMI XL4201E1

ModelXL4201E1
PackageSOP-8
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
XLSEMI XL4201E1
Type
XLSEMI
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
XLSEMI
Electronic Component
XL4201E1
Electronic Component
1
Package
SOP-8
Electronic Component
DC-DC Power Supply IC
Electronic Component
0.202g
Electronic Component
1
Features
Electronic Component
Type
Electronic Component
Synchronous
Electronic Component
Electronic Component
BM0264549845
Operating Temperature
40℃~+125℃@(TJ)
Operating Voltage
8V~40V
Switching Frequency
150kHz
Electronic Component
Electronic Component

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

XL4201E1降压型DC-DC电源芯片产品概述

XL4201E1是芯龙半导体(XLSEMI)推出的内置功率开关管非同步降压型DC-DC芯片,专为中高压输入、中等电流输出场景设计,兼具宽输入输出范围、宽温适应性与高可靠性,可覆盖工业控制、汽车电子等多领域电源需求。

一、产品核心定位与功能

XL4201E1定位于中高压宽范围降压应用,核心功能是将8V40V直流输入转换为1.25V37V可调输出,最大连续输出电流3A。作为非同步降压拓扑芯片,它内置高压功率开关管,仅需外接续流二极管、电感及少量被动元件即可构成完整电路,大幅简化系统设计与BOM成本。

二、关键电气参数解析

1. 输入输出宽覆盖

  • 输入电压:8V~40V,覆盖12V/24V/36V主流工业/汽车电源,无需额外预降压;
  • 输出电压:1.25V~37V(可调),通过FB引脚外接分压电阻(R1/R2)设置,公式为( V_{OUT}=1.25V×(1+R1/R2) ),适配5V/12V/15V等多负载;
  • 输出电流:连续3A、峰值4A,满足中等功率负载供电需求。

2. 效率与环境适应性

  • 开关频率:固定150kHz,平衡电感尺寸(无需大体积电感)与EMI抑制(低频段易处理),典型负载效率≥90%;
  • 静态电流:2mA(典型值),轻载待机功耗低,延长系统续航;
  • 工作温度:结温(TJ)-40℃~+125℃,符合工业/汽车级宽温要求,适应极端环境。

3. 拓扑与集成特性

  • 拓扑结构:非同步降压(Buck),内置高压N沟道开关管,续流二极管需外接(推荐肖特基管如1N5819);
  • 集成度:内置开关管,无需外接大功率器件,减少PCB空间占用。

三、封装与可靠性设计

XL4201E1采用SOIC-8-EP封装(带裸露焊盘):

  • 带EP设计增强芯片与PCB热连接,降低热阻,确保3A输出下散热可靠;
  • 封装体积小(5mm×6mm),适合高密度PCB布局;
  • 内置过流保护(OCP)、过温保护(OTP),避免负载异常损坏芯片,提升系统稳定性。

四、典型应用场景

XL4201E1的宽参数与宽温特性适配多领域:

  1. 工业控制:PLC模块、传感器节点、电机驱动辅助电源(24V转5V/3.3V);
  2. 汽车电子:车载中控、行车记录仪、辅助照明电源(24V转12V/5V,适应-40℃~85℃);
  3. 通信设备:基站射频模块辅助电源(40V转12V);
  4. 消费电子:19V笔记本电源转5V USB充电电源。

五、核心优势总结

  1. 宽适配性:输入8V40V、输出1.25V37V,覆盖90%中高压降压场景;
  2. 高集成度:内置开关管,仅需少量外接元件,简化设计、降成本;
  3. 宽温可靠:-40℃~+125℃结温,满足工业/汽车级严苛要求;
  4. 散热优异:SOIC-8-EP带EP封装,控制热阻,支持3A连续输出;
  5. 轻载高效:2mA低静态电流,提升待机效率,适合低功耗场景。

XL4201E1凭借平衡的性能与成本优势,成为中高压降压应用的高性价比选择,尤其适合对宽温、小体积有要求的工业与汽车电子领域。

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