WMSIC Electronic Components

LOWPOWER LP6221ASPF

ModelLP6221ASPF
PackageSOP-8-EP
BrandLOWPOWER
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
LOWPOWER LP6221ASPF
Type
LOWPOWER
Minimum package
4000 个

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LOWPOWER
Electronic Component
LP6221ASPF
Electronic Component
1
Package
SOP-8-EP
Electronic Component
DC-DC Power Supply IC
Electronic Component
0.151g
Electronic Component
1
Features
Load
Type
Electronic Component
Synchronous
Electronic Component
Electronic Component
BM0229362026
Operating Temperature
40℃~+85℃@(TJ)
Operating Voltage
2.6V~15V
Switching Frequency
500kHz
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.

LP6221ASPF 产品概述

一、概述

LP6221ASPF 是 LOWPOWER(微源半导体)推出的一款升压型开关稳压器,采用升压式拓扑、内置功率开关,工作电压范围宽(2.6V~15V),开关频率固定为 500kHz,工作结温范围为 -40℃ ~ +85℃(@TJ)。该器件为单通道、可调输出类型,封装为 SOP-8-EP,适合对体积、成本有要求的中低功率升压场合。

二、主要特性

  • 升压式拓扑,内置开关管,简化外围器件设计;
  • 工作电压:2.6V ~ 15V,适配常见单节至多节电池及24V系统;
  • 固定开关频率:500kHz,兼顾器件尺寸与效率;
  • 非同步整流(需外接肖特基二极管),设计简单但整机效率受二极管压降影响;
  • 单输出、可调电压,通过外部分压反馈设置目标输出;
  • SOP-8-EP 封装,带 exposed pad 便于散热与焊接。

三、典型应用

  • 便携式设备的升压供电(如传感器供偏压、存储器编程电压);
  • LCD/OLED 驱动偏压;
  • 小功率白光或指示灯驱动(需评估非同步效率);
  • 工业/仪器的辅助电源或参考电压生成。

四、封装与引脚(概要)

SOP-8-EP 封装带底部散热焊盘(EP),建议在 PCB 设计中将散热垫通过多盲/通孔连接到内部铜层以提升热性能。具体引脚功能与引脚排列请参考正式数据手册。

五、典型外部元件建议

  • 整流二极管:选择低正向压降的肖特基二极管,反向耐压需大于目标 Vout;
  • 电感:按目标输出电流与允许电流纹波选择,500kHz 工作频率下应选体积与损耗平衡的磁芯;
  • 输入/输出电容:建议采用低 ESR 的陶瓷电容,必要时并联钽或铝电解以改善瞬态响应;
  • 反馈电阻:按所需 Vout 通过分压设定,注意器件启动及最低负载条件。

六、设计与布局要点

  • 最小化开关回路(开关管、二极管、电感、输入电容)的回流面积以降低 EMI;
  • 将感应元件与散热焊盘紧密耦合,底部大焊盘必须良好焊接以保证散热;
  • 输入端靠近器件放置去耦电容,输出端靠近负载放置滤波电容;
  • 对于高精度应用,反馈网络及补偿网络走短线、远离噪声源。

七、可靠性与调试建议

  • 因为为非同步整流结构,注意在高输出电流或高 Vout 场合评估二极管功耗与整体效率;
  • 原型验证时测量开关波形、环路稳定性与热升高,必要时调整补偿网络或元件值;
  • 极端环境或高功率应留足热裕度,并参考厂商可靠性说明。

更多详细电气参数、引脚定义、典型应用电路及布局范例,请参阅 LP6221ASPF 的完整数据手册和应用说明,以获得精确设计指导。

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