XP0431N00L Discrete Semiconductor Products

XP0431N00L Application Field and Working Principle

XP0431N00L is a pre-biased, bipolar junction transistor (BJT) package array, which provides a 3-BJT array mounted in a single package, offering a cost-effective solution for applications that require three transistors such as DC switches, limiting amplifiers, relay and solenoid drivers, mux/demux and modulator/demodulators.

Key Features

• 400V Build In Bias Voltage
• Low Thermal Resistance
• 50KHz Common Mode Rejection (CMR)
• Low Profile 5-pin SOP Package
• ESD Protection Device

Application Fields

• Relay and Solenoid Driver
• DC Switch
• Limiting Amplifier
• Mux/Demux
• Modulator/Demodulators

Working Principle

The XP0431N00L is a pre-biased, three-transistor package containing three individual BJT bi-polar transistors. Each of the three transistors is biased to 400V by the internal DC voltage regulator. This allows the transistors to have a common base and dramatically reduce the CMR between transistors. The XP0431N00L also features an ESD protection circuit, which helps prevent the transistors from being damaged due to electrostatic discharge.

The three transistors are connected in an NPN configuration, which provides gain and high frequency performance. The NPN configuration consists of an emitter which provides an output voltage, a collector which provides a feedback voltage to adjust the gain, and a base which controls the current in the device. When the collector is provided with an input voltage, the base biased transistor will turn on and the emitter will provide an output voltage. The gain is dependent on the input voltage, the emitter-collector voltage, and the base-emitter voltage.

Conclusion

The XP0431N00L is a pre-biased, three-transistor BJT array that provides a cost-effective solution for many applications such as DC switches, limiting amplifiers, relay and solenoid drivers, mux/demux, and modulator/demodulators. It has a built-in bias voltage of 400V and a low thermal resistance, making it well suited for high-end applications. Additionally, it features a 50KHz CMR, which ensures reliable and accurate control of the device. Its ESD protection circuit further adds to its reliability and protection.