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XINLUDA XL33063
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- XINLUDA XL33063
- Type
- XINLUDA
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- XINLUDA
- Electronic Component
- XL33063
- Electronic Component
- 1
- Package
- SOIC-8
- Electronic Component
- DC-DC Power Supply IC
- Electronic Component
- 0.32g
- Electronic Component
- 1
- Features
- Electronic Component
- Synchronous
- Electronic Component
- Electronic Component
- BM0228561304
- Operating Temperature
- 40℃~+85℃@(TA)
- Operating Voltage
- 3V~40V
- Switching Frequency
- 33kHz
- Output Type
- Electronic Component
- Output Channel Count
- 1
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
XL33063 产品概述
一、概述
XL33063（品牌：XINLUDA/信路达）是一款通用的开关型直流-直流转换控制器，支持降压（Buck）、升压（Boost）和反相（Inverting）三种基础拓扑。器件内部集成开关管，工作电压范围宽（3V～40V），固定开关频率约33kHz，工作温度范围为-40℃～+85℃（TA），为单路输出、非同步整流的中小功率电源解决方案，封装为SOIC-8，适配多种工业与消费类应用。
二、主要特点
- 宽输入电压：3V～40V，适用于单节或多节电池及车载、工业母线等场景；
- 多种拓扑支持：降压、升压与反相输出，灵活满足不同电压转换需求；
- 固定开关频率：约33kHz，便于电感与电容的常规选型与滤波设计；
- 内置开关管：减少外部功率器件数量，提升系统集成度；
- 单通道输出、非同步整流：外接肖特基或快恢复二极管完成整流；
- 宽温工作：-40℃～+85℃，适合多数工业环境。
三、工作原理与拓扑
XL33063按开关控制器工作原理驱动外部能量元件（电感/变压器）完成能量传递。通过开关周期控制占空比实现输出电压调整。常见三种拓扑：
- 降压（Buck）：输入高于输出时使用，需外接电感、输出电容与肖特基二极管；
- 升压（Boost）：输入低于输出时使用，电感与二极管的能量转移方式不同；
- 反相（Inverting）：输入产生负输出，适用于负电源需求。
四、典型应用场景
- 车载电子（点烟器/车载电源模块）；
- 电池供电设备（单节锂电、镍氢等）；
- 工业控制模块、仪器仪表电源；
- 小功率LED驱动与便携式设备电源管理。
五、设计与使用建议
- 电感选择：依据最大占空比与峰值电流选型，电感电流饱和应高于系统峰值电流；
- 整流二极管：推荐低正向压降、快速恢复或肖特基二极管以降低损耗；
- 输出电容：低等效串联电阻（ESR）电容可改善输出纹波与瞬态响应；
- 布局与散热：将开关节点的走线最短、减小环路面积；SOIC-8封装散热依赖PCB铜皮，必要时加散热焊盘；
- 频率与滤波：33kHz较低，滤波器体积会大于高频方案，需在体积与效率间权衡；
- 非同步整流注意效率：在高电流场景下，外置同步MOSFET方案能显著提升效率（若改用同步控制器）。
六、封装与可靠性注意
SOIC-8封装便于手工焊接与批量SMT生产。器件在高温或大电流工况下需关注结温上升与长期可靠性，建议在设计初期预留热阻裕量并进行实际温升验证。
总结：XL33063为一款经典的、应用广泛的中低频单通道开关控制器，适合对成本、可靠性与设计灵活性有要求的中小功率电源设计。根据具体功率与效率要求，在外部器件选型与PCB热管理上需做针对性优化。
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