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Description: 带隙基准电源的设计，毕业设计
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Size: 520091 |
Author: guancaiwei |
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Description: MC34063是一单片双极型线性集成电路，专用于直流-直流变换器控制部分。片内包含有温度补偿带隙基准源、一个占空比周期控制振荡器、驱动器和大电流输出开关，能输出1.5A的开关电流。它能使用最少的外接元件构成开关式升压变换器、降压式变换器和电源反向器。-mc34063a
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Size: 84992 |
Author: majiqi |
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Description: 文章介绍了两种输出分别为不可变和可变的CMOS带隙基准电路。采用PMOS和NMOS
共源共栅电流镜代替经典结构中的电阻，给双极型晶体管提供偏置电流，降低了功耗，并
且减小了沟道长度调制效应带来的误差。采用smic0.18um工艺，3.3V电源电压进行仿真。
结果表明，在0-800C温度范围内，两种CMOS带隙基准输出电压的温度系数分别为
5x10/℃和3.1x10-5/0C 在电源电压大于2.5V时，电源电压的变化对输出电压几乎
没有影响。
-( TheGraduateSchooloftheChineseAcademyofSciences,Beijing100080)
Abstract:TwotypesofCMOSbandgapreferencecircuits，withfixedandunfixed
outputvoltagesrespectively,arepresentedinthispaper.Insteadofresistances
inconventionalbandgapreference,acascodecurrentmirrorwithPMOSandNMOSis
usedtoproducebiascurrentsforbipolartransistors,hencethedissipationand
errorsresulted from the effectofthe channel length modulationareboth
reduced.Thecircuitsaresimulatedinsmic0.18umCMOSprocess,with3.3volts
supply.Theresultsshowthatthetemperaturecoefficientoftheoutputofthe
bandgapvoltagesare5x10/0C and3.1x10-5/0C respectively thesupplyvoltage
haslittleinfluenceontheoutputreferencewhenitisabove2.5volts.
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Size: 229376 |
Author: 彭泽县 |
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Description: 收集的9篇关于LDO的研究生学位论文
1、LDO线性恒流型高亮度LED驱动的研究与设计
2、大电流_高稳定性LDO线性电源芯片的设计和实现
3、带有双电子开关的LDO电源管理芯片的设计
4、高精度_低噪声LDO线性调整器的设计
5、基于单片DC_DC的LDO设计
6、集成于GPS射频芯片的LDO设计
7、具有LDO模式的电流模同步降压型稳压器芯片XD1112设计
8、利用Verilog_A对LDO_Charg_省略_自动切换电源管理芯片的Top_
9、一种基于LDO带隙基准电压源的设计与实现-Collection of nine post-graduate thesis on the LDO 1, LDO linear constant-current high-brightness LED driver based research and design of two large current _ high stability of the LDO linear power chip design and implementation of three, with a pair of electronic switches The LDO power management chip design 4, high-precision low-noise LDO linear regulator _ Design 5, the LDO design based on single DC_DC 6, integrated GPS RF chip LDO design 7, LDO mode with simultaneous reduction of current-mode XD1112-pressure regulator chip design 8, omit the _ use Verilog_A on LDO_Charg_ automatically switch power management chip Top_ 9, based on band-gap reference voltage source LDO Design and Implementation
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Size: 20733952 |
Author: lyy |
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