Liteon Acer

Converter

Converter (converter) is a signal to another device in the signal. There is information in the form of signals or the company.

Automation Instrumentation and automatic control systems, often a signal is converted to another volume or volume with reference to the comparison signal standard for connecting two devices, therefore, the frequency converter is two meters (or devices) between the intermediate links. The emergence of various types of converters have been considerably expanded the types of instruments (devices) to use, so that the automatic control system with more flexibility and greater adaptability.

The basic function of the different types of Apple a1185 black battery converters is to convert information into easy to carry and handle the information as required during the conversion process is not produces distortion, distortion, delay, etc, so the converter linearity, input and output impedance matching and isolation, etc are some requirements:

? linearity. Required converter and the output signal and input signal X is a proportional relationship between good, ie, Y = KX + A, where K, A is a constant.

? input impedance and output impedance. input impedance and output impedance converter must be input and output devices instrumentation to match in order to obtain high-precision conversion.

? insulation characteristics. input circuit, output circuit and power circuit in the DC-bit should be isolated from each other, input, output circuit ground point should be separated in order to improve anti-jamming capacity.

Several common DC / DC-MB39C014 Fujitsu Microelectronics, MB39C014 MB39C015 and work MB39C015 set at a fixed frequency of 2MHz (MB39C014 you can also set 3.2MHz), through synchronous rectification is not only a high conversion efficiency, but also of carrying a high-performance Built-in MOS tube, very effective to reduce the ripple noise and switching noise. And because of the integrated circuit voltage control, you can choose to monitor the voltage power or voltage output. current control mode and voltage mode control compared to current control mode change of the load response performance transient is very good. And when you do not need an external phase compensation of any resistance or capacitance, greatly reducing the number of parts and components throughout the IC, helping designers reduce design process, effectively reducing the BOM cost. And thanks to the current control mode, continuous monitoring current conditions and not incorporated in the starting and short circuit protection.

By controlling the output voltage of the DAC can be configured, but also through the resistor divider to adjust the internal voltage in order to achieve the purpose of establishing the number of outside stress. In addition MB39C015 also built-in temperature protection, UVLO protection function, etc, is also suitable for use in the car on a playback device DVD video. Analog Devices ADP1864-ADP1864 provides a fixed frequency current-down mode can provide 5A distributed system required high-voltage power input and extend the input voltage 14V, the component through thin small-outline transistor package format, the cost at the same level of product saves 40%.

With its 14V input range, ADP1864 for circuit design can provide greater flexibility, suitable for low-cost 12V adapter LiteOn wall of bricks, or need more than 10V input voltage systems. Potential use of internal reference to adjust the ADI packaging technology, accurate three times higher than other similar products, the overall error budget of the system is set to 5%, reducing the rate of change with temperature, its 1mV / A, compared with the capacity of electric power regulation to compete both times. ADP1864 Other features include: internal warm start, protection Short circuit protection, output voltage input under voltage protection and programmable current limit and so on.

Current mode control provides fast load transient stable operation, while the operating frequency of 580kHz can reduce the size of the circuit board inductor, frees up valuable circuit board space. Micro-Austria AS1322 AS1322 is available in a small package 6-pin TSOT, high efficiency synchronous step-up converters DC-DC to expand its products DC-DC converter. AS1322 can be an output voltage range of 2.5 to 5V, and when the voltage is 3.3V, when, AS1322 can provide 150 A output current, AS1322 are able to meet those needs.

The new component with a low input voltage of 0.85V to implement and use TSOT23 slim package 1.2 MHz fixed frequency synchronous boost Acer Aspire 5500 battery converter. Even if the input voltage is low, the new component can provide a high current output, the AS1322 is a single cell applications, the best option. As the AS1322 to use ultra-thin inductors and ceramic capacitors, and 1.2 MHz fixed switching frequency can significantly reduce the use of the surface of circuit boards, the variable component has energy saving and fixed-variable rate of two model types.

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