此外，LTC 3330包括一个单独的降压-升压转换器设计为通过外部电池驱动。
In addition, the LTC3330 includes a separate buck-boost converter designed to be driven by an external battery.
无论是能量收集降压变换器或电池降压-升压转换器可以提供能量到设备的输出引脚。
Either the energy-harvesting buck converter or the battery buck-boost converter can deliver energy to the device's output pin.
这也降低了材料的五个分立器件的功能比尔-电源开关，线性稳压器，降压稳压器，降压-升压型稳压器和显示器，说公司。
It also reduces bill of materials with the functionality of five discrete devices - power switch, linear regulator, buck regulator, buck-boost regulator, and monitor, says the company.
有下降压力很头痛，但上升压力绝对不坏。
A currency facing downward pressure is a headache, but one facing upward pressure is not badly off.
文中介绍了IGBT升压与降压式三相高频SPWM整流器的基本工作原理和控制方法。
This paper describes the basic working principles and control methods of three-phase high- frequency boost & buck IGBT SPWM rectifiers.
相对于降压式谐振开关电容变换器，升压式谐振开关电容变换器构成方式不同，潜电路发生条件也有较大区别。
Comparing to step-down resonant switched capacitor(RSC) converter, the composing principle of step-up RSC converter is different, so their sneak circuit conditions are not same.
作为一个电感器：降压，升压，电感耦合。
可以实现反激，正激，升压或降压拓扑结构。
开关电源是一种电压转换电路，主要的工作内容是升压和降压，广泛应用于现代电子产品。
Switching power supply Switching power supply is a voltage conversion circuit, the main work is the step-up and step-down, are widely used in modern electronic products.
结果及结论：该系统能对大鼠颈动脉窦区进行均匀斜坡升压，阶梯升压降压灌流，并己用于压力感受器反射效应研究中。
Results and Conclusions: This system was able to provide ramp and stepwise up down perfusion pattern and has been used in the research of baroreflex.
反之，通过根据升压时的开关频率来降低降压时的开关频率，可弥补 降压比的不足部分。
Conversely, step-down ratio insufficiency is compensated for by making the switching frequency during the step-down operation lower than the switching frequency during the step-up operation.
反之，通过根据升压时的开关频率来降低降压时的开关频率，可弥补 降压比的不足部分。
Conversely, step-down ratio insufficiency is compensated for by making the switching frequency during the step-down operation lower than the switching frequency during the step-up operation.
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