TPS77801PWPG4

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The TPS77801PWPG4 is a low dropout (LDO) linear voltage regulator for low power applications. It is a device of the Broadcom/Pulse/IBM Voltage Regulators – Linear family and is suitable for use in a variety of applications. The TPS77801PWPG4 is a two terminal low dropout regulator with a wide range of input voltages and can be used in constant voltage and constant current mode. The output current capability of the device is up to 1A and the output voltage range is adjustable from 0.7V to 7V.

The main features of TPS77801PWPG4 include low power consumption, low input current, low output voltage ripple, fast transient response, and adjustable voltage. The device also provides over current, over voltage, and thermal protection. The quiescent current of the device is only 7 μA and the input current is less than 1 μA. The low dropout of the device is 140mV and the output voltage ripple is less than 0.1mV RMS. The device can provide a fast transient response with a settling time of 25 μs.

The TPS77801PWPG4 is suitable for use in applications where a low dropout linear regulator is required. It is ideal for low power portable and handheld devices, such as mobile phones, PDAs, and digital cameras. The device can also be used in battery operated and automotive applications, such as automotive systems, displays, and communications equipment. In addition, the device can also be used in applications where an adjustable output voltage is required, such as in automotive, computer, and digital camera applications.

The working principle of the TPS77801PWPG4 is based on switch mode regulation. The device includes an N-channel Mosfet and a sense resistor which are connected in series between the input voltage and the output voltage. The current through the sense resistor is compared to the reference voltage and the Mosfet is turned on or off accordingly to regulate the output voltage. The feedback loop is then adjusted to provide a stable output voltage.

The TPS77801PWPG4 offers a wide range of features including low dropout voltage, adjustable voltage range, low power consumption, fast transient response, and over current and thermal protection. The device is suitable for use in a variety of applications in which a low dropout linear regulator is required. It is ideal for applications such as mobile phones, PDAs, digital cameras, and automotive systems.

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