WMSIC Electronic Components

XINLUDA XL3843

ModelXL3843
PackageSOP-8
BrandXINLUDA
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
XINLUDA XL3843
Type
XINLUDA
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
XINLUDA
Electronic Component
XL3843
Electronic Component
1
Package
SOP-8
Electronic Component
AC-DC Controllers and Regulators
Electronic Component
0.328g
Electronic Component
1
Features
(UVP); (OCP)
Electronic Component
BM0265809411
Electronic Component
PWM
Operating Temperature
25℃~+80℃
Operating Voltage
12V~28V
Switching Frequency
52kHz
Output Current
200mA
Electronic Component
100%

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

XL3843 开关电源控制芯片产品概述

一、产品定位与核心属性

信路达(XINLUDA)推出的XL3843是一款专为中低压DC-DC变换设计的高性能控制芯片,采用SOP-8贴片封装,具备宽电压输入、完善保护、宽温适应等核心特点,可广泛应用于车载电子、工业控制、消费电子等领域,为中小功率电源系统提供稳定可靠的控制方案。

二、关键电气参数详解

XL3843的参数针对性适配主流12V/24V系统,核心参数如下:

  1. 输入电压范围:12V28V,覆盖车载12V系统(典型9V16V)及24V工业/车载系统(典型18V~32V)的常用区间,无需额外升压/降压预处理即可直接工作;
  2. 开关频率:固定52kHz,处于中等频率区间——既避免高频设计的EMI抑制难度,又无需像低频那样使用大体积电感/电容,平衡效率与硬件成本;
  3. 输出驱动电流:200mA(峰值),足够驱动中小功率MOSFET(如1N60、AO3400等),满足10W以内DC-DC变换的驱动需求;
  4. 最大占空比:100%,支持升压、降压、升降压拓扑灵活设计,尤其升压应用中可接近100%占空比,提升输出电压调节范围;
  5. 封装形式:SOP-8(引脚间距1.27mm),体积小巧,适合自动化贴片生产,有效节省PCB空间,适配紧凑式电源模块。

三、核心保护功能设计

XL3843内置双重核心保护,提升系统可靠性:

  1. 欠压保护(UVP):输入电压低于启动阈值(典型10V)时,芯片自动停止输出,防止欠压导致的负载异常或功率器件损坏;
  2. 过流保护(OCP):通过外部电阻调节电流阈值,当负载电流超过阈值时,芯片进入限流模式或关断输出,避免MOSFET过流烧毁,保护后端负载。

四、工作环境与可靠性

XL3843的工作温度范围为**-25℃~+80℃**,可适应车载(车内温度变化)、工业(室内设备常温至高温)等场景;SOP-8封装具备良好散热性能,配合合理PCB布局可满足长期稳定工作,符合工业级电源芯片的基本可靠性标准。

五、典型应用场景

结合参数特点,XL3843的典型应用包括:

  1. 车载电子:车载USB充电器、LED氛围灯驱动、车载显示屏电源、小型传感器供电;
  2. 工业控制:小型PLC辅助电源、传感器模块供电、工业指示灯电源;
  3. 消费电子:便携式储能升压模块、智能家居设备电源、户外照明驱动;
  4. 通信辅助:小型基站(Femtocell)辅助电源、光纤收发器电源模块。

六、产品应用优势总结

XL3843在中低压DC-DC控制领域具备以下优势:

  1. 宽电压适配:12V~28V输入覆盖主流12/24V系统,减少外围预处理电路;
  2. 平衡设计:52kHz频率兼顾EMI与体积,降低系统设计难度;
  3. 可靠保护:UVP+OCP双重保护,提升抗异常能力;
  4. 紧凑集成:SOP-8小封装便于高密度电源模块设计;
  5. 宽温适用:-25℃~+80℃范围满足多场景温度需求。

XL3843凭借上述特点,成为中小功率DC-DC变换场景的高性价比选择,可快速适配不同行业的电源设计需求。

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