TPS77633QPWPRQ1

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The TPS77633QPWPRQ1 from Texas Instruments is a linear voltage regulator. It offers one of the industry’s smallest 0.8mm x 0.8mm and 5mm x 5mm ultra small packages. It consists of an error amplifier, a power FET and a current-limit circuit. It is designed to supply small and portable electronic devices, such as notebook computers, cellular phones, digital still cameras, and personal digital assistants away from the AC power service.

The TPS77633QPWPRQ1 features an output voltage range from 0.9V to 5.5V, making it suitable for a wide range of applications. It has low quiescent current and low power consumption, with a maximum of 0.6mA. The voltage regulator has 120mV dropout voltage, which is suitable for applications requiring low voltage operation. The wide input voltage range of 2.25V to 5.5V makes the regulator suitable for applications requiring a wide input supply range. The regulator is capable of delivering up to 0.7A output current with an internal power MOSFET. The TPS77633QPWPRQ1 also includes a power-on reset circuit, which helps maintain proper load regulation and keeps the output voltage within the desired range.

The TPS77633QPWPRQ1 has a wide input voltage range of up to 2.25V to 5.5V and output voltage range from 0.9V to 4.5V or 5.5V. The output voltage can be adjusted using the external resistors connected to the adjustment pin. It features a foldback current limit protection circuit that prevents overcurrent conditions and thermal shutdown circuit which reduces output current if the device temperature rises too high.

The power supply input is connected to the positive input pin P-IN, while the negative input pin N-IN is connected to GND. The Output voltage is regulated by applying an external resistor to the ADJ pin. This pin is used to adjust the output voltage. An external bypass capacitor is connected between VIN and GND pins to reduce transient noise.

The TPS77633QPWPRQ1 has several features designed to improve system performance and reduce power consumption. These features include internal soft-start circuitry that reduces the inrush current when the device is first powered up, enable power-saving mode and enable/disable control input circuits. The enable control circuit can be used to control the enable/disable state of the regulator.

In summary, the TPS77633QPWPRQ1 linear voltage regulator is a small, low-cost and energy-efficient solution for providing power to portable devices. It has a high efficiency, low quiescent current, and low dropout voltage. Its wide input and output voltage ranges make it suitable for applications with varying power supply levels and different loads. The internal soft-start and enable control circuits can be used to reduce inrush current and power consumption. Furthermore, it includes protection circuits for over-current and temperature conditions.

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