YC324-FK-07118RL

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Resistor Networks and Arrays, which consist of complex circuits designed to provide high-current solutions in sensitive power delivery and control applications, have become increasingly popular due to their ability to handle a wide variety of applications. This paper covers the YC324-FK-07118RL application field and working principle.

YC324-FK-07118RL is a four-terminal constant-current resistor network, with a wide range of applications. It combines an on-board decoupling capacitor and high side shorting switch to provide excellent transient protection and operational stability. The YC324-FK-07118RL is designed to address the specific requirements of audio applications, including AM/FM radios, CD players, and other hi-fi equipment. It is ideal for use in low frequency radio receivers, broadcasting equipment, and instrumentation.

The YC324-FK-07118RL is a CMOS-controlled four-terminal resistor network which offers low voltage operation, simplicity in design, minimal insertion loss, and a low quiescent current. It consists of four independent low-impedance, high-current resistors, a capacitor decoupler, and a common mode noise suppressing Capacitor-Segmented n-Channel Switch. The YC324-FK-07118RL is used to provide current limiting, and noise suppression in audio equipment.

The YC324-FK-07118RL’s working principle involves the use of two diodes, a capacitor, and a current limiting resistor. The two diodes, acting as a peak detector, detect audio signal amplitude by rectifying the signal and forming voltage peaks, which are stored in the capacitors. These stored energies, along with the current limiting resistor, set the amount of current that can flow from the power amplifier to the load (speaker). By setting the load current to a certain level, or limiting it, the YC324-FK-07118RL prevents the power amplifier from being overdriven and provides excellent sound reproduction.

In addition to audio applications, related devices with similar architecture can also be used in other applications such as DC-DC converters, Class-D amplifiers, and other areas requiring low voltage and/or high current operation. Furthermore, the YC324-FK-07118RL is suitable for both analog and digital circuits.

In conclusion, the YC324-FK-07118RL application field and working principle is a useful tool for applications needing high current solutions in sensitive power delivery and control applications. Its four-terminal type and low voltage operation make it suitable for various applications, including but not limited to audio, DC-DC converters, and Class-D amplifiers. Its capacitor decoupler and high side shorting switch provide excellent transient protection and operational stability.

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