RP15-1212DA/P-HC

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DC-DC converters refer to power electronic conversion equipment which use DC voltage as the input to produce DC voltage with another value. RP15-1212DA/P-HC is one of them. This article will discuss its application field and working principle.

Application Field

RP15-1212DA/P-HC is a type of high-efficiency and low-temperature DC-DC converter. It can output steady DC voltage as 12V 5A in the condition of input voltage is 15V DC. The output can chronically provide current and voltage from 5 to 10A to make sure that kinds of indicated devices operated in normal condition. With its advantages of small size, thick insulation, high efficiency and low temperature condition, it has been widely used at battery powered equipments, such as telecom system, electric toys, notebook, LCD display and set-top box.

Working Principle

RP15-1212DA/P-HC, whose input voltage DC is 15V and output voltage is 12V 5A, is composed by inductor, DC-DC Boost Converter and power MOSFET. The operating principle is rely on power transconductance theory. When the power MOSFET works at PWM mode, the inductor will be charged and stored by current in the condition of input voltage. When the control circuit detect the current is steady, it cut-off the power MOSFET and the stored energy of inductor will be released and then outputted to the output capacitor. As a result, the output voltage 12V can stably and chronically provide 5A current.

The input power of RP15-1212DA/P-HC is DC 15V, and output voltage is 12V 5A. Its main function is to convert DC voltage successfully and precisely; meanwhile, it can regulate the output voltage of 12V and convert from 30KHZ to 400KHZ. What’s more, the chip of power MOSFET and op-amp is of low temperature type, which makes sure the converter cannot be damaged by over temperature condition and provide high efficiency.

Conclusion

RP15-1212DA/P-HC is a DC-DC converter with its input 15V, outputting steady 12V voltage and provide current 5A. Applications are very wide. It is widely used at battery powered equipments, such as telecom system, electric toys, notebook, LCD display and set-top box. Its working principle rely on power transconductance and the energy stored at inductor will be released to output when power MOSFET cut-off. With its advantages like small size, thick insulation, high efficiency and low temperature, it is very suitable for those situations.

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