TPS76650DRG4

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The TPS76650DRG4 is a linear voltage regulator, which is used to provide a stabilized output voltage to ensuring accuracy, reliability, and long-term stability in a wide range of applications. It is a fully integrated, low-power device that integrates a high-side PMOS transistor, low-side NMOS transistor, an error amplifier, and current-limit reference. It is typically used to create a fixed output voltage from a variable input voltage ranging from 1.8V to 13V.

The TPS76650DRG4 is based on the LDO topology, in which a power transistor is connected as a series element between the input voltage and output voltage. It uses a MOSFET as the series pass transistor, and the load current is regulated by varying the resistance of the transistor. The feedback loop of the linear regulator is closed by comparing the voltage at the output with a reference voltage. The output voltage is then adjusted accordingly to maintain the desired output voltage. The reference voltage is usually provided by the internal voltage reference or an external voltage reference to the error amplifier.

The typical features of the TPS76650DRG4 include a wide input voltage range of 1.8V to 13V, 1.1V to 5.25V adjustable output voltage, low EMI noise, a low dropout voltage of 0.22V(max) at 1A load current, fast turn-on time, a current limit of 1.2A, a shutdown current of 0.1uA, and a high power supply rejection ratio of 65dB.

The TPS76650DRG4 is widely used in a variety of applications, including notebook computers, portable media players, industrial automation, automotive, embedded systems and networking equipment. The device is ideal for low power 5V and 3.3V applications, enabling small, low-power solutions with low quiescent current and fast transient response. For example, it can be used to power embedded systems such as microprocessors, memory, and peripherals, such as LCDs, as well as providing back-up power and overvoltage protection in automotive electronics.

In summary, the TPS76650DRG4 is a linear voltage regulator with a wide input voltage range and a fast turn-on time. It is widely used in a variety of applications, including embedded systems, automotive electronics, and industrial automation. The device is ideal for low power 5V and 3.3V applications, providing a small, low-power solution with low quiescent current and fast transient response.

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