TPS3620-33DGKT

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The TPS3620-33DGKT is a precision push-pull regulator and a member of the Supervisors product family by Texas Instruments (TI). This device can be used as either a stand-alone regulator, or integrated with a microcontroller. It is designed to provide five output power supplies from a single input supply, with each output configured to provide a fixed voltage. Additionally, it has a wide operating temperature range, from -40°C to +125°C.

The device offers supervisor circuitry to prevent mechanical or electrical faults from damaging integrated circuits (ICs). It monitors the main power supply, and provides a reset to the IC when the power supply voltage is outside the specified norms. Using an open-drain, active-low reset signal, the TPS3620-33DGKT is designed to be connected to a low-power reset chip, and can operate from a power supply voltage range of +1.5V to +5.5V.

The TPS3620-33DGKT includes precision push-pull regulation for low-voltage operations, and a wide selection of voltage options. Its auto-reset thresholds can be adjusted to account for varying conditions or environments. Moreover, the device includes a 5V output buffer with shutdown, and a 1.21V beeper output buffer with a shutdown input.

It also features a 2-channel voltage supervisor with 3.2V and 3.8V, and power-good signal generation. Both input and output supplies are protected since they are monitored by the device against over-voltage and under-voltage. For the reset signal, it has an ESD protection to ensure that the IC is not damaged by static electricity.

The TPS3620-33DGKT also has a reset timer, which is designed to keep the reset signal active for a predetermined duration, providing the power supply with a sufficient time to stabilize. This timer can be programmed by either a capacitor or resistor to match the delay requirements of the system under supervision. Furthermore, the reset monitor includes a software reset input for microcontroller applications.

The TPS3620-33DGKT can be used in many applications, such as industrial systems, medical systems, consumer electronics products, automotive applications, and industrial computing applications. In addition, it can be used in space-critical applications, including portable systems and portable medical systems. Its 2-channel voltage supervisors and reset function make it suitable for multiple supervising power supplies and monitoring system power supply conditions.

To sum up, the TPS3620-33DGKT is a high-precision switch-mode power supply controller that provides a wide range of reliable and accurate power supply regulation. It provides supervisor circuitry to monitor the main power supply and generate a reset signal to the integrated circuits. This device has wide operating temperature range and protection against over-voltage and under-voltage events. It is suitable for many applications ranging from consumer electronics to industrial systems.

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