ZRC330F01TC

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The ZRC330F01TC is a four-channel precision voltage reference and linear regulator constructed from two matched high-precision Metal-Oxide-Semiconductor Field-Effect Transistors (MOSFETs). This voltage reference is capable of supplying two different output voltages over a wide operating temperature range. It also has good temperature stability and low output noise. The application field and working principle of the ZRC330F01TC are described in this article.

The ZRC330F01TC is designed for applications requiring high precision, low power loss, and low noise output. It is intended to be used in low voltage point-of-load (POL) islands requiring high accuracy, such as high-precision DACs, ADCs, microprocessors, and FPGAs. The device can be used in a wide range of DC-regulated POL systems, such as those used in instrumentation and embedded systems, data acquisition, bioinstrumentation, and scientific technology systems.

The ZRC330F01TC operates with an input voltage range of 2.5V to 6V, making it suitable for use in low voltage point-of-load islands. It can supply two different output voltage levels, with a maximum range of 1.2V to 5V. The device has a high precision of ±0.4mV at the reference output and ±2mV at the other outputs, ensuring high accuracy over a wide range of temperatures. The device also has a low temperature coefficient of ±3ppm/°C. The output noise is low, making it suitable for applications where signal-to-noise ratio is critical.

The ZRC330F01TC is constructed from two matched n-channel MOSFETs with an integrated 4-phase driver. The two MOSFETs are placed between an output capacitor and a ground plane to minimize power loss and provide better temperature stability. The reference voltage of the device is generated by a bandgap reference circuit. The reference voltage is used to control the pair of MOSFETs to regulate the output voltage at the desired level.

The ZRC330F01TC also integrates a voltage sense circuit. This circuit senses output voltage drop due to varying load current or temperature fluctuations and sends the information back to the control loop. It adjusts the voltage according to the feedback from the voltage sense circuit, thus maintaining a stable output voltage.

The ZRC330F01TC is a highly efficient and low-noise voltage reference for a wide variety of applications. It can supply two different output levels over a wide operating temperature range with high accuracy and low output noise. It is suitable for use in low voltage point-of-load islands and can be used in a variety of applications, such as high-precision DACs, ADCs, microprocessors, FPGAs, instrumentation, and embedded systems.

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