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1、版本：1.0XL2001DEMOboardmanual页数：第1页，共5页描述221055A01是为产品XL2001制作的演示板，用于DC8V~45V输入，输出电压5V，最大输出电流1.8A的车充应用演示，最高转换效率可以达到93%。XL2001是开关降压型DC-DC转换芯片；固定开关频率150KHz，可减小外部元器件尺寸，方便EMC设计。芯片具有出色的线性调整率与负载调整率，固定输出5V。芯片内部集成过流保护、过温保护、短路关机等可靠性模块。XL2001为标准SOP-8L封装，集成度高，外围器件少，应用灵活。DEMO原理图引脚介绍引
2、脚号引脚名称引脚描述1FB反馈引脚，检测输出电压进行调整2NC无连接3VC内部电压调节旁路电容输入电压，支持DC8V~45V宽范围电压操作，需要在VIN与GND之间并联电解电容以消除4VIN噪声5,6SW功率输出7,8GND接地引脚第1页，共5页版本：1.0XL2001DEMOboardmanual页数：第2页，共5页物料清单序号数量参考位号说明生产商型号生产商13C1,C2,CC1uF,50V,Ceramic,X7R,0805C2012X7R1H105KTDK21CIN47uF,50V,Electrolytic,(6.3*11)YX
3、A-50V-47uFRubycon31COUT100uF,16V,Electrolytic,(6.3*11)YXF-16V-100uFRubycon41D160V,3A,SMA,SchottkyBarrierRectifierB360ADIODES51L147uH,3A,(13*7)61LEDBlue,0805,SMD71R12KΩ,1%,1/16W,ThickFilm,0603RC0603XR-072001Yageo81R275KΩ,1%,1/16W,ThickFilm,0603RC0603XR-077502Yageo92R3,R5
4、49.9KΩ,1%,1/16W,ThickFilm,0603RC0603XR-074992Yageo101R443.2KΩ,1%,1/16W,ThickFilm,0603RC0603XR-074322Yageo111U145V,1.8A,BUCK,DC-DCConverter,SOP-8LXL2001XLSEMI121USBDIP备注：R1电阻阻值大于等于1.5K。性能数据VIN=8VVIN=12VVIN(V)IIN(A)VOUT(V)IOUT(A)EFF(%)VIN(V)IIN(A)VOUT(V)IOUT(A)EFF(%)8.390
5、.0705.0090.185.3012.510.0505.0190.180.248.380.1325.0070.290.5112.490.0935.0150.286.358.370.1955.0070.392.0112.480.1365.0140.388.628.360.2585.0050.492.8512.470.1795.0140.489.858.350.3225.0050.593.1112.460.2235.0130.590.218.340.3865.0060.693.3412.460.2665.0120.690.738.330
6、.4515.0070.793.3412.450.3095.0140.791.238.320.5175.0070.893.1812.450.3545.0150.891.038.300.5835.0090.993.1212.440.3985.0160.991.188.290.6505.0111.092.9612.430.4445.0181.090.928.280.7185.0131.192.7312.430.4895.0191.190.838.270.7865.0151.292.5612.410.5345.0201.290.908.260
7、.8555.0161.392.3312.410.5805.0221.390.718.250.9255.0191.492.0912.400.6275.0231.490.458.240.9955.0211.591.8812.390.6735.0251.590.398.231.0665.0241.691.6712.390.7205.0291.690.208.221.1385.0271.791.4112.380.7685.0331.789.998.201.2115.0301.891.1312.370.8165.0361.889.80VIN=2
8、4VVIN=36VVIN(V)IIN(A)VOUT(V)IOUT(A)EFF(%)VIN(V)IIN(A)VOUT(V)IOUT(A)EFF(%)24.740.0305.0280.167.7436.300.0235.04
