Input voltage range

Switching power supply with wide input voltage range for diesel locomotive

内燃机车用宽输入电压范围开关电源

With the development of new energy , the technology of using new energy requires switching DC-DC converters have wider input voltage range .

随着新能源应用领域不断拓宽，新能源开发技术要求开关DC-DC变换器具有宽输入电压范围。

A high accuracy bipolar bandgap reference with wide input voltage range

一种适用于宽电源电压幅度的高精度双极带隙基准电路

Input voltage range determines whether the wide range topology is adopted ;

输入输出电压变换范围宽窄决定是否采用宽范围拓扑；

The input voltage range is wide .

各通道前量放大器增益可灵活调整，输入电平范围宽广。

The input voltage range is 2.8 to 5 V , and the output voltage is 1.8 V , with maximum load current of 200 mA .

输入电压范围为2.8~5V，输出电压为1.8V，负载电流最大为200mA。

Following is the designing point : the hysteresis current controlling high-power LED constant-current driver with wide input voltage range and high dimming ratio .

然后提出了本文的设计重点：一种宽输入范围、高调光比的滞环控制大功率LED恒流驱动器。

The design goal of this system , which is generating stable output voltage from a large input voltage range and operation with high efficiency in full load range , was successfully realized .

在较大的输入电压范围内，提供稳定的输出电压；在全负载范围内高效率工作的预期设计目标均以实现。

When PFC stage uses VVB control , in order to reduce the input voltage range of the next DC-DC stage , this dissertation proposes a hybrid Boost PFC converter .

当PFC级采用变输出电压控制后，为了减小后级变换器的输入电压范围，本文提出一种复合式PFC变换器。

With the distributed power system ( DPS ) received widespread attention , LLC resonant converter with its wide input voltage range and good voltage regulation performance received much attention from a lot of researchers .

随着分布式电源系统（DPS，DistributedPowerSystem）得到普遍的重视，LLC谐振变换器以其在宽输入电压范围和良好的电压调节性能备受研究者的青睐。

However , Due to the limitations of the single-stage converter , when the bus voltage is high and wide input voltage range , the single-stage converter is not suitable for multi-output low power switching power supply .

但是由于单级变换器自身的局限性，当电源母线电压宽输入范围时，单级变换器并不适合用作多路输出小功率开关电源的主功率拓扑。

A 400W experimental circuit is built and the experimental results showed that the active power factor corrector can work well with the power factor of 0.99 in the wide input voltage range of AC 90 ~ 260V .

实验结果表明，该校正器在宽输入电压范围（90～260V）下能够正常工作，功率因数达到0.99。

Based on the structure , an ultra-low voltage operational amplifier is designed , which provides a rail-to-rail common-mode input voltage range and output voltage swing , as well as a high common mode rejection ratio ( CMRR ) .

基于此结构，实现了一种超低压运算放大器。仿真分析表明，该运算放大器能够实现轨到轨（rail-to-rail）的共模输入电压范围和输出电压摆幅，以及较高的共模抑制比。

It is clarified that the proposed rectifying circuits obtain a high efficiency over 85 % within a wide input voltage range and with the load conditions of low output voltage and big output current ( 3.3 V and 5 A ) .

通过分析和比较，得出结论：提出的整流电路在一个较大输入电压范围内和低输出电压、大输出电流的负载条件（3.3V，5A）下，其效率高达85%。

A prototype of 30W / 15V CRM PFC flyback converter is implanted with an input voltage range of AC90 ~ 270V , the power factor of which reaches 0.956 .

研制了一台30W/15V反激型临界导电模式功率因数校正开关变换器，其输入电压动态范围为AC90~270V，其输入功率因数达到0.956。

A low power , high performance current-limiting circuit implemented in 0.6 μ m BICMOS process , which has been successfully applied to the chip of high efficiency , wide input voltage range DC-DC boost switch power management chip , is presented .

采用0.6μMBiCMOS工艺，设计了一种高性能、低功耗的限流电路，并成功地将其应用于一款高效率、宽输入电压范围的DC-DC升压型开关电源管理芯片中。

The research on the three-level DC-DC converter reveals that the hybrid full-bridge three-level ( HFB TL ) not only can reduce the voltage stress of the primary switches , but also can decrease the filter inductance , which fits for the wide input voltage range .

而三电平DC-DC变换器的研究发现，复合式全桥三电平变换器不仅可以降低原边开关管的电压应力，还可以减小输出滤波电感量，适用于宽输入电压范围。

By using an active clamp circuit , the power transformer core is symmetrically reset . Zero voltage switching conditions are achieved over a broad input voltage and output current range .

利用有源钳位电路实现主变压器铁心对称复位，功率开关在宽输入电压和宽负载电流范围内零电压开关。

Due to a negative feedback loop existing in the system , this article has proposed an appropriate frequency compensation network after system analysis and modeling to ensure the system stable in the entire input voltage and load current range .

由于存在反馈环路，本文在对系统建模之后确定了合适的频率补偿方式，保证了系统在整个输入电压和负载电流范围内能够稳定工作。

The A / D converter is of some applied value to low frequency and high voltage input signals within a wide input voltage range .

该A/D转换器对低频输入信号在较高电压范围内具有一定的实用价值。