TPS79030DBVR

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TPS79030DBVR

The TPS79030DBVR is a low-power, high-precision, low-dropout (LDO) linear voltage regulator with a maximum output current of 200mA.

It is a four-terminal device that operates with a wide input voltage range of between 2.2V and 36V. The device includes two fixed-output voltage options (1.0V and 1.2V) that support low-voltage systems of up to 1.2V. The device also offers adjustable output voltage with a default of 1.2V and accurate output voltage from 1.2V to 3.6V.

The TPS79030DBVR features high PSRR and low dropout voltage in comparison with similar parts, along with fast transient response. It also offers protection features that include reverse-current protection, overload protection, and thermal protection with automatic recovery.

Application Field

The TPS79030DBVR is suitable for a range of low-power applications, such as industrial and medical equipment, communications, automotive systems, and home appliances. It is compatible with a variety of microprocessors and digital signal processors. Its low dropout voltage and wide input voltage range make it ideal for powering low-voltage systems.

Working Principle

The TPS79030DBVR is designed for regulating output voltage with a low-noise operation. It works by sensing the current on the output side and then determining the voltage that is needed to maintain the output. The feedback loop of the device is configured with a voltage divider that is connected to the output of the device.

The feedback loop of the device is connected to an error amplifier, which amplifies the difference between the actual output voltage and the reference voltage. The output voltage then adjusts to match the reference voltage. The reference voltage is determined by an external voltage divider resistor, which sets the output voltage to a desired level.

The TPS79030DBVR includes two PMOS transistors, which supply output current while keeping the power dissipation of the device low. The device also includes an overload protection circuit that limits the output current under excessive loads.

The TPS79030DBVR is designed for low-dropout performance and good accuracy across all output voltage ranges. The device offers low EMI and it is optimized for low-noise and transient response.

In summary, the TPS79030DBVR is a low-power, high-precision, low-dropout (LDO) linear voltage regulator with a maximum output current of 200mA. It offers adjustable output voltage of 1.2V to 3.6V and features high PSRR and low dropout voltage, along with protection features that include reverse-current protection, overload protection, and thermal protection with automatic recovery. The device is suitable for a range of low-power applications, such as industrial and medical equipment, communications, automotive systems, and home appliances.

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