WMSIC Electronic Components

XBLW SG3525AN

ModelSG3525AN(XBLW)
PackageDIP-16
BrandXBLW
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
XBLW SG3525AN(XBLW)
Type
XBLW
Minimum package
25 管

Technical parameters

Electronic Component
Electronic Component
Electronic Component
XBLW
Electronic Component
SG3525AN(XBLW)
Electronic Component
1
Package
DIP-16
Electronic Component
DC-DC Power Supply IC
Electronic Component
1.714g
Electronic Component
1
Features
Frequency Synchronous
Electronic Component
BM0265621916
Operating Temperature
0℃~+70℃
Operating Voltage
35V
Switching Frequency
100Hz~400kHz
Output Current
400mA
Output Channel Count
2
Static Current(Iq)
12mA

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

SG3525AN(XBLW芯伯乐)PWM控制器产品概述

一、产品定位与核心价值

SG3525AN是芯伯乐(XBLW) 推出的高性能脉宽调制(PWM)控制器,兼容经典SG3525系列架构,专为中小功率开关电源、逆变器等场景设计。其核心价值在于集成度高、驱动能力强、参数灵活可调,可简化外围电路设计,降低系统成本,同时满足商业级应用的可靠性要求。

二、关键参数与性能特点

结合产品实测与规格书,核心参数及优势如下:

  1. 工作电压范围:8V~35V(最大35V),适配12V/24V系统电源,无需额外降压电路;
  2. 输出驱动能力:两路互补输出峰值电流达400mA,可直接驱动中小功率N沟道MOSFET(如IRF540),无需外接驱动级;
  3. 开关频率可调:100Hz~400kHz宽范围,通过7脚(Ct)、8脚(Rt)的RC组合灵活设置(公式:(f \approx \frac{1}{1.2 \times R_t \times C_t})),覆盖低频电源到高频DC/DC转换;
  4. 工作温度范围:0℃~+70℃(商业级),满足常规办公设备、工业控制电源的环境温度需求;
  5. 集成保护功能:内置软启动(10脚)、死区时间调节(5脚)、PWM比较器(9脚),上电时逐步提升占空比防浪涌,避免上下管直通损坏。

三、封装与引脚功能说明

采用DIP-16双列直插封装,引脚功能清晰,便于手工焊接与原型开发:

引脚编号 功能描述 关键参数说明 15 输入电源Vcc 最大35V,需滤波电容 14 输出级电源Vout 通常与Vcc共地 11/12 互补输出A/B 400mA峰值电流 7/8 振荡器Ct/Rt 频率设置RC接口 5 死区时间调节 接电阻/电容设置延时 10 软启动电容接口 接10μF电解电容 2 误差放大器反相输入 反馈电压采样端 13 接地GND 系统参考地

四、典型应用场景

SG3525AN(XBLW)广泛适配以下场景:

  1. 中小功率开关电源:如100W以下LED驱动电源、笔记本适配器(通过调整频率至200kHz实现高效恒流);
  2. 推挽拓扑逆变器:太阳能微型逆变器(100~500W)、电动车充电器(转换效率可达90%以上);
  3. 不间断电源(UPS):DC/AC转换模块的控制核心,保障断电切换时的稳定输出;
  4. 工业控制电源:PLC辅助电源、传感器供电模块(适应0~70℃工作温度);
  5. 消费电子电源:机顶盒、显示器电源(成本低、集成度高)。

五、应用设计注意事项

为保证系统稳定,需注意以下细节:

  1. 电源滤波:Vcc(15脚)并联10μF电解电容+0.1μF陶瓷电容,滤除高频噪声;
  2. 死区时间设置:5脚接1kΩ电阻到地,1nF电容到7脚(Ct),建议设置1~2μs(避免MOSFET直通);
  3. 软启动配置:10脚接10μF电容到地,上电时占空比从0逐步提升至目标值,防止浪涌电流;
  4. 频率校准:高频应用(>300kHz)需用示波器校准Rt/Ct值,避免频率偏差;
  5. 散热设计:长期满载(400mA输出)时,DIP-16封装需加装小型散热片,或控制环境温度不超过60℃。

六、品牌与质量保障

芯伯乐(XBLW)是国内专注电源管理芯片的品牌,SG3525AN采用成熟CMOS工艺,经过高低温循环测试(-40℃~+85℃)、ESD防护(HBM 2kV)、电应力测试,符合RoHS环保标准。产品提供1年质保,批量供货稳定,技术支持覆盖原型设计到量产调试。

综上,SG3525AN(XBLW)以高性价比、强驱动、易调试的特点,成为中小功率电源设计的主流选择,适配多场景的商业级应用需求。

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