NCP114AMX135TCG

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Introduction to NCP114AMX135TCG

NCP114AMX135TCG is part of the PMIC - Voltage Regulators - Linear series of voltage regulators from ON Semiconductor. It is a single output, 1.5A load current, lowpower, low voltage, low noise linear voltage regulator which has an ultra-low dropout voltage of less than 1V. It is designed to provide a clean supply of current with low noise and superior ripple rejection commonly used in precision power supplies such as audio, video and communications systems. This voltage regulator is also capable of delivering up to 1.2A peak load current and can be utilized in automotive and general purpose applications. The device includes current limiting, thermal protection, and overvoltage protection all while maintaining low noise, low output voltage, and efficiencies up to 90%.

Application Field of NCP114AMX135TCG

The NCP114AMX135TCG is suitable for a variety of applications such as networking, industrial, automotive, and high-end consumer applications. This voltage regulator can be used to provide a clean, low-noise and low-ripple voltage for systems such as audio and communications equipment, video systems, and automotive applications. The on-chip protection of current limiting and thermal protection makes it ideal for applications requiring high efficiency and low dropout at light load. The 1.0V dropout voltage allows the NCP114AMX135TCG to be used in space-constrained applications where a minimal voltage drop is required. Due to its high power efficiency and superior ripple rejection, the NCP114AMX135TCG is also an excellent choice for audio, communications and automotive power systems where clean power and very high efficiency is necessary.

Working Principle of NCP114AMX135TCG

The NCP114AMX135TCG works by maintaining a stable output voltage across a load. It does this by regulating the input voltage and adjusting the output voltage to maintain a constant voltage output. The voltage regulator is capable of regulating input voltages in the range of 4.5V to 20V and can deliver up to 1A of continuous load current. The device also features an adjustable current limit and preset turn-on threshold. It can also be used in overvoltage protection, thus providing added protection to the system.The working principle of the NCP114AMX135TCG consists of two stages: Regulation and Protection. Regulation ensures that the output voltage is kept constant and within the specified tolerance. The device features an error amplifier, an internal bandgap reference, a precision voltage divider, and an overvoltage clamp output which senses the output voltage. The error amplifier compares the voltage at the voltage divider and the output voltage and generates a signal used to adjust the output voltage.The protection stage consists of several protection circuits such as overcurrent protection, overvoltage protection, thermal protection, and current limiting. These protection circuits are designed to protect the device and system from internal and external faults. Overcurrent protection limits the current through the device to avoid damage and thermal protection prevents the device from becoming too hot which could result in system failures. The overvoltage protection circuit protects the device and system from unexpected voltages at the output.

Conclusion

The NCP114AMX135TCG from ON Semiconductor is a single output, lowpower, low noise, low voltage linear voltage regulator ideal for audio, video, and communications systems. It is capable of delivering up to 1A of current with an ultra-low dropout voltage of less than 1V. This device also features built-in protection circuits such as overvoltage protection and current limiting which make it suitable for applications requiring high power efficiency and superior ripple rejection. This voltage regulator is a great choice for providing clean, low noise and low ripple voltage for a variety of applications.

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