4420P-1-472LF

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Resistor Networks, Arrays are used to reduce the voltage of a circuit. They can also be used to increase the current in a circuit. The 4420P-1-472LF (Dual Pulsed Field Programmable Resistor Array) is a type of resistor network array designed to accomplish these tasks. This article will explore the application field and working principle of the 4420P-1-472LF.

The 4420P-1-472LF resistor network array is a dual pulse field programmable resistor array (PPRAR) designed for low-power applications such as low-voltage DC to DC power converters. It is made from a monolithic silicon die with two pulse-width modulators (PWMs) and 8-bit analog-to-digital converters (ADCs). The PWMs work together to enter two independent, programmable reference voltages into each of the two converter ADCs. This enables the 4420P-1-472LF to output a modified pulse-width modulated waveform with a variable width.

The 4420P-1-472LF is designed to reduce the voltage of DC-to-DC converters for power consumption reduction and high-efficiency power supply designs. The resistor network array works by entering two reference voltages into the ADCs, which then calculate the resistance change to adjust the output voltage. The PWM waveform is adjusted according to the input reference voltages on each cycle to control the output voltage. By programming the reference voltages, the output voltage can be adjusted for any desired level.

The 4420P-1-472LF resistor network array is a versatile component that is used in a variety of applications, including audio amplifiers, mobile phones, mainframe computers, and DC-to-DC converters. It is also used in renewable energy applications such as solar photovoltaic systems, wind turbines, wave generation systems, and hydroelectric power plants. It helps improve the efficiency of these systems by regulating the voltage output.

Overall, the 4420P-1-472LF resistor network array is a useful component in a variety of applications. It is designed to reduce the voltage of a circuit and increase the current, improving the efficiency of power supplies and reducing the power consumption of DC-to-DC converters. By programming the reference voltages, the user can control the output voltage for any desired level. The 4420P-1-472LF is also used in a wide variety of applications such as audio amplifiers, mobile phones, mainframe computers, and renewable energy systems.

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