REC3-123.3SRW/H4/C/SMD

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With the development of technology and the continual decline in size of components, more and more microelectronic products are designed with microcircuits. Diminutive components require precise power supply, so the DC/DC converter is developed. It plays a critical role in the microelectronic industry as a reliable and consistent power source. REC3-123.3SRW/H4/C/SMD is a kind of DC/DC converter which is usually used in cellular phone, digital camera, laptop computer and portable game device.

DC/DC converters are classified into two different kinds of converters. One is the linear converter, which works by transforming input Direct Current (DC) voltage into a different DC voltage. It converts the input voltage level to the required output voltage. The other is the switched-mode converter, which works by regulating an input DC signal to achieve the desired output DC signal. It uses a high frequency, non-dissipative peak current-mode switching technique.

REC3-123.3SRW/H4/C/SMD is a switched-mode DC/DC converter. It can convert 12V input voltage into a maximum 3.3V output voltage and it can provide a maximum output current of 123mA. It contains a high frequency switch which rapidly turns on and off the power to generate a rectified output voltage. In addition, the switch has an internal feedback circuit that monitors the output voltage of the converter and adjusts the switch in order to obtain the desired output voltage. The switch is designed in such a way that it powers up when the input is higher than the output, and shuts down when the input is lower than the output. The feedback circuit also eliminates the effect of temporary over current spikes when the switch cycles on and off.

Rec3-123.3SRW/H4/C/SMD is a very energy-efficient and cost-efficient device, and it works at a high efficiency over a wide range of input and output voltages. It embeds a MOSFET, which contains a low resistance on-state and a very high resistance off-state to reduce capacitor charging. This helps to reduce the EMI(Electro-Magnetic interference)of the device as well as reduce the power dissipation. Furthermore, it has overload and short circuit protection, temperature compensation and current limit protection, and thermal limitation function. Due to its low power loss, high power conversion efficiency, wide range of input, low output ripple, and its numerous protective functions, REC3-123.3SRW/H4/C/SMD is widely used in cellular phone, digital camera, laptop computer, and other portable game device.

In conclusion, REC3-123.3SRW/H4/C/SMD is an efficient and reliable switched-mode DC/DC converter that can convert 12V input voltage into a maximum 3.3V output voltage and provide a maximum output current of 123mA. It is used in many electronic products due to its low power loss, high power conversion efficiency, wide range of input, low output ripple, and its numerous protective functions.

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