WMSIC Electronic Components

Chilisin LVF303012-2R2M-N LVF303012

ModelLVF303012-2R2M-N
PackageSMD
Brandchilisin
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
chilisin LVF303012-2R2M-N
Type
SMD
Minimum package
2000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CHILISIN
Electronic Component
LVF303012-2R2M-N
Electronic Component
1
Package
SMD
Type
Magnetic Display Inductor
Electronic Component
Power Inductor
Electronic Component
±20%
Electronic Component
0.063g
Inductor
2.2uH
Electronic Component
1
Electronic Component
BM0264918688
Current
1.8A
Resistor(DCR)
119.6mΩ
Electronic Component
Electronic Component
Electronic Component
2000

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

LVF303012-2R2M-N 产品概述

一、产品简介

LVF303012-2R2M-N 为奇力新的表贴功率电感,标称电感值 2.2 μH,公差 ±20%。器件采用磁胶屏蔽结构(magnetic adhesive shielded),体积小巧,封装近似 3 × 3 mm,专为开关电源和点对点降压电路中的能量储存与滤波设计,兼顾高电流能力与良好耐饱和特性,适合空间受限且对电磁兼容有要求的应用场合。

二、电气性能

  • 电感值:2.2 μH ±20%
  • 额定电流:1.8 A(温升与性能限定下的连续电流)
  • 饱和电流 (Isat):1.89 A(电感下降至初始值一定比例时的电流点)
  • 直流电阻 (DCR):119.6 mΩ
  • 类型:磁胶屏蔽电感(SMD) 这些参数表明该型号在接近 1.8 A 的工况下能够维持较为稳定的电感量,但高直流电阻会带来一定的铜损与功耗,需要在系统热预算中考虑。

三、结构与封装

器件为 SMD 封装,尺寸约 3 mm × 3 mm,磁胶屏蔽结构有助于降低外泄磁场,改善 EMI 性能并利于密集布板。封装适合自动贴片与回流焊工艺,便于大批量生产。

四、典型应用场景

  • 降压(Buck)转换器的电感储能元件(小功率点对点供电)
  • 电源管理模块(PMIC)外围滤波
  • 移动设备、物联网终端、便携设备的电源子系统
  • LED 驱动低功率段、片上变换器输出滤波

五、选型与工程注意事项

  • 电流裕量:建议工作电流低于额定电流的 80%(约 1.4 A)以降低温升并延长寿命;若工作接近或超出 Isat,会导致电感值衰减并影响转换器环路稳定性。
  • 温升与功耗:较高的 DCR(119.6 mΩ)会带来显著的 I^2·R 损耗,需评估在最大直流与纹波电流下产生的发热。
  • 直流偏置效应:电感在直流偏置下会下降,请在实际工作频率与偏置电流下测量 L 值以获得精准模型。
  • EMI 考量:磁胶屏蔽有利于降低磁通泄露,但完整的 EMI 验证仍需在目标系统中做辐射与传导测试。

六、PCB 布局与焊接建议

  • 将电感尽量靠近开关器件和输出电容放置,缩短电流回路,减小寄生电感与辐射。
  • 采用宽铜区域与必要的散热过孔,改善导热路径,降低结温。
  • 焊盘遵循厂方推荐尺寸以确保良好焊接强度;回流焊时遵循常规无铅温度曲线,避免过长高温暴露。
  • 对高频纹波路径使用短、粗的走线;输出回路增加旁路电容以降低纹波电流对电感的冲击。

七、可靠性与测试

  • 常规测试包括 L、DCR、Q 值(如需)、高温储存、温度循环及机械震动测试。
  • 建议在目标系统环境下进行热成像测试以确认无过热点,并在满载与瞬态条件下验证环路稳定性与热稳定性。

八、订购与替换建议

型号命名 LVF303012-2R2M-N 可向奇力新(Chilisin)及其分销商询价。选型时若需更低 DCR 或更高电流能力,可考虑同系列或其他封装尺寸的功率电感作为替代,替换前务必比对 Isat、DCR、尺寸与磁屏蔽特性。

九、总结

LVF303012-2R2M-N 是一款针对小型化开关电源与点对点电源模块设计的 2.2 μH 功率屏蔽电感,适合在有限空间内实现能量储存与 EMI 抑制。使用时需综合考虑其较高的 DCR 导致的损耗与温升,合理留有电流裕度并优化 PCB 布局与散热,可在便携电源及中低功率转换器中发挥良好性能。若需进一步的电气模型、典型电路或封装尺寸图,请参考奇力新的官方数据手册或联系授权代理。

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