高精度直流供电电源设计 资料.docxVIP

高精度直流供电电源设计 题目： 输入： 220v/50hz, ±10% 输出：  QUOTE =±5V  QUOTE =1A 性能：  QUOTE SV50PPM  QUOTE ≤50PPm/℃ 具有全功能保护（过热、过流、过压） 一、仿真电路： 图1仿真电路图 二、仿真结果： 图2输出压幅值 图2中输出正负电压分别为+5.003v和-5.001v，且波动为0v。 三、电路性能测试分析 1、由图3输出电压功率谱可以看出直流分量大于0db，而交流分量约0-100hz为-40db，100hz以上为-60db以下。 图3输出电压功率谱分析 2、输出电压稳定性分析 输入幅值/V输出正幅值/V输出负幅值/V2205.003-5.0012005.003-5.0012405.003-5.001表1 由上表测量值得当 QUOTE Ui=20V时U00.001v则 Sv0.001÷20÷5=10PPM 四、原件对照报表 参考标识描述系列封装0GROUNDPOWER_SOURCES-D1MDA3551FWBCASE309A-02C1160μFCAPACITOR-T1TS_POWER_10_TO_1TRANSFORMERXFMR_5PINC3160μFCAPACITOR-C4160μFCAPACITOR-C5160μFCAPACITOR-C1416μFCAPACITOR-C1616μFCAPACITOR-V1AC_POWERPOWER_SOURCES-C20.1μFCAPACITOR-T2TS_IDEALTRANSFORMER-C102200pFCAPACITOR-C112200pFCAPACITOR-C240.1μFCAPACITOR-U1LM317HVOLTAGE_REGULATORTO-39(H03A)U2LM337HVOLTAGE_REGULATORTO-39(H03A)C60.1μFCAPACITOR-C71μFCAPACITOR-C80.1μFCAPACITOR-C91μFCAPACITOR-R11.05kΩRESISTOR-C12160μFCAPACITOR-C13160μFCAPACITOR-R2348ΩRESISTOR-C1516μFCAPACITOR-C171nFCAPACITOR-C1816μFCAPACITOR-C1916μFCAPACITOR-C200.33μFCAPACITOR-C210.33μFCAPACITOR-U4LM337HVOLTAGE_REGULATORTO-39(H03A)C220.1μFCAPACITOR-C230.1μFCAPACITOR-C261.6μFCAPACITOR-C271.6μFCAPACITOR-C251.6μFCAPACITOR-C281.6μFCAPACITOR-C291.6μFCAPACITOR-C301.6μFCAPACITOR-Q12N5365BJT_PNPTO-92U6TL431ACDVOLTAGE_REFERENCECASE751R3200ΩRESISTOR-R41.00kΩRESISTOR-Q22N5354BJT_PNPTO-92U7TL431ACDVOLTAGE_REFERENCECASE751R6450ΩRESISTOR-R8205ΩRESISTOR-R7332ΩRESISTOR-R5453ΩRESISTOR-U3LM317HVOLTAGE_REGULATORTO-39(H03A)U5TL431ACDVOLTAGE_REFERENCECASE751U8TL431ACDVOLTAGE_REFERENCECASE751R9450ΩRESISTOR- 畜牧兽医局书记 2015 年度党建工作述职报告 今年以来，我按照县委、县政府的统一部署和要求，本着认真