TPS78228DRVT

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The TPS78228DRVT is a low-noise, low-dropout linear regulator designed to provide up to 2A of continuous output current. It is optimized for powering low-voltage, low-power applications. This device has many features such as integrated pulse and current mode control, a low quiescent current, a wide operating temperature range, and a selectable on/off logic pin. The TPS78228DRVT is part of the TPS78xx family of devices and is ideal for a variety of applications such as computer peripherals, instrumentation, audio, portable medical devices and consumer electronics.

Application Field of the TPS78228DRVT

The TPS78228DRVT is a versatile linear regulator device that is capable of powering a variety of devices. The device offers excellent line and load regulation, making it ideal for a wide range of applications. It is suitable for powering systems with low voltage and low power requirements, as it has a low quiescent current. This makes it ideal for applications such as computer peripherals, instrumentation, audio, portable medical devices and consumer electronics.

The device is also well-suited for battery-powered applications, as it has a low-dropout voltage, which is adjustable from 0.2V to 1.24V. This allows for more efficient power usage, as the device can operate with a more optimal voltage for the particular application. Additionally, the TPS78228DRVT has an integrated current limiting and thermal protection feature, which helps to improve system reliability.

Working Principle of the TPS78228DRVT

The TPS78228DRVT is a low-noise, low-dropout linear regulator device. It operates according to the standard linear regulator topology. The device has an input voltage, which is internally converted into a reference voltage (Vref). The Vref is then compared to an adjustable reference voltage (Vadj) to control the output voltage of the regulator. The output voltage is equal to Vref + Vadj.

The TPS78228DRVT also has an output enable pin, which allows the output voltage to be either disabled or enabled. This pin can be used to limit power consumption or turn off the regulator when not needed. Additionally, the device has a pulse and current mode control. In current mode control, the regulator will adjust its output current based on the input voltage and enable pin state. In pulse mode control, the device will pulse width modulated a fixed load current to maintain the set output voltage.

In addition, the device has a variety of protection features to ensure proper operation. These include overload protection, reverse current protection and thermal overload protection. This helps to prevent any damage to the device and ensure the system operates correctly.

The TPS78228DRVT is a versatile and reliable device suitable for a variety of applications. It has excellent line and load regulation and a low-dropout voltage for more efficient power usage. Additionally, it has versatile protection features and current/pulse mode control to help ensure the system operates correctly.

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