UCC381DP-5G4

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The UCC381DP-5G4 is a three-term linear voltage regulator. This product is part of a family of linear voltage regulators from TI. It can be used to deliver a regulated output voltage as low as 1.8V and as high as 5V. The UCC381DP-5G4 is designed to provide superior accuracy, low noise and low quiescent current. It is ideal for powering low-power microprocessors, DSPs, FPGAs and other low-voltage digital systems.

The UCC381DP-5G4 is a 3-term linear regulator. It consists of two components: the high-side transistor and the low-side transistor. The high-side transistor is the main control element, while the low-side transistor is used to limit the output current. The low-side transistor is controlled by an internal voltage reference, which can be adjusted with the ADJ pin. The opamp in the UCC381DP-5G4 senses the output voltage and compares it to the reference. If the output voltage deviates from the reference voltage, the opamp generates an error signal which is used to adjust the gate voltage of the high-side transistor.

The UCC381DP-5G4 is durable and reliable. It is designed to operate at temperatures ranging from -40ºC to 125ºC and features a thermal shutdown circuit to protect the device from sustained over-temperatures. It has a wide input voltage range of 6V to 25V, and can deliver up to 0.6A of output current. The dropout voltage of the UCC381DP-5G4 is relatively low, which makes it suitable for operation at low input voltages. The device is available in both TO-220 and SOT-23 packages.

The UCC381DP-5G4 is a great choice for low-voltage digital systems that require accurate, low-noise, and low-quiescent current voltage regulation. It is ideal for powering low-power microprocessors, DSPs, FPGAs, and other low-voltage digital systems. The UCC381DP-5G4 is also suitable for use in avionics and other mission-critical applications that require reliable operation in harsh environments.

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