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1、版本：1.0XL4015DEMOboardmanual页数：第1页，共6页描述221046A01是为产品XL4015制作的演示板，用于DC8V~36V输入，输出电压5V，输出电流5A的降压恒压应用演示，最高转换效率可以达到93%。XL4015是开关降压型DC-DC转换芯片；固定开关频率180KHz，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，输出电压支持1.25V~32V间任意调节。芯片内部集成过流保护、过温保护、短路保护等可靠性模块。XL4015为标准TO263-5L封装，集成度高，外围器件少，应
2、用灵活。DEMO原理图L147uH/5AVINSW53R2XL401510KCCD1A1%105B540CVINVC42FBC2COUTCINC11105330uF/25V220uF/50V105GNDR13.3K1%VOUT=1.25*(1+R2/R1)引脚介绍引脚号引脚名称引脚描述1GND接地引脚2FB反馈引脚，通过外部电阻分压网络，检测输出电压进行调整3SW功率输出4VC内部电压调节旁路电容输入电压，支持DC8V~36V宽范围电压操作，需要在VIN与GND之间并联电解电容以消除5VIN噪声第1页，共6页版本：1.0XL401
3、5DEMOboardmanual页数：第2页，共6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,0805C2012X7R1H105KTDK21CIN220uF,50V,Electrolytic,(10*16)YXF-50V-220uFRubycon31COUT330uF,25V,Electrolytic,(10*12.5)YXF-25V-330uFRubycon41D1A40V,5A,SMC,SchottkyBarrierRectifierB540CDiodes51L14
4、7uH,5A,(18*9)61R13.3KΩ,1%,1/16W,ThickFilm,0603RC0603XR-073301Yageo71R210KΩ,1%,1/16W,ThickFilm,0603RC0603XR-071002Yageo81U136V,5A,BUCK,DC-DCConverter,TO263-5LXL4015XLSEMI性能数据转换效率VIN=8VVIN=12VVIN(V)IIN(A)VOUT(V)IOUT(A)EFF(%)VIN(V)IIN(A)VOUT(V)IOUT(A)EFF(%)8.3620.0695.02
5、00.187.0112.370.0505.0210.181.188.3470.1325.0190.291.1112.350.0935.0150.287.338.3190.2585.0170.493.5012.330.1805.0110.490.318.2910.3865.0150.694.0212.310.2685.0120.691.158.2620.5175.0130.893.8912.280.3575.0120.891.468.2320.6495.0121.093.8112.280.4465.0131.091.538.2020
6、.7845.0111.293.5112.260.5375.0131.291.378.1710.9225.0101.493.1012.240.6305.0151.491.058.1411.0615.0091.692.7912.220.7235.0191.690.898.1091.2035.0121.892.4812.200.8185.0221.890.588.0771.3485.0122.092.0712.180.9145.0272.090.318.0441.4955.0152.291.7412.161.0125.0342.290.
7、008.0111.6445.0182.491.4412.131.1105.0392.489.828.2101.7485.0202.690.9512.111.2105.0442.689.508.1751.8975.0232.890.6912.091.3095.0492.889.338.1352.0675.0263.089.6712.071.4185.0503.088.528.1022.2185.0303.289.5712.051.5175.0513.288.428.0652.3805.0343.489.1712.021.6215.0
8、533.488.178.0292.5405.0383.688.9312.221.6915.0563.688.088.3832.5835.0433.888.5012.201.7925.0583.887.928.3452.7455.0464.088.1
