TPS79928DRVT

The Texas Instruments TPS79928DRVT is a low-noise, low-dropout linear voltage regulator designed for powering sensitive devices, such as DSPs, microcontrollers, and analog-to-digital converters, from a single 3.2 V to 17 V supply. This LDO features an output voltage accuracy of ±2%, and a programmable current limit. It operates in dropout mode, with a quiescent current of 25 µA, and a power-on reset circuit.

The TPS79928DRVT is suitable for use in medical, handheld, and industrial applications, as well as automotive systems. It is available in a 2 mm x 2.3 mm SON-6 package and can handle load voltages ranging from 3.2 V to 24 V.

Application Field

The TPS79928DRVT is designed for powering low-noise, precision, low-voltage devices. It is suitable for use in medical, industrial, automotive, and handheld applications that require precise voltage and current delivery.

The TPS79928DRVT can be used to power DSPs, microcontrollers, and digital-to-analog converters, as well as mechanical and electrical components that demand precise voltage and current delivery. The device supports a wide range of applications, including automotive, medical, industrial, and handheld.

The TPS79928DRVT is suitable for use in battery-powered systems, as it can maintain voltage regulation even as the battery voltage drops. Its low quiescent current, 25 µA, helps conserve power and regulates the total system power consumption.

Working Principle

The TPS79928DRVT operates in dropout mode, which means the output voltage is always slightly less than the input voltage, usually between 1 mV and 30 mV. The dropout voltage is determined by the load current, and must be considered when selecting the device for an application.

The device features a low-noise, low-dropout linear voltage regulator. It has adjustable output voltage range and low quiescent current.

The TPS79928DRVT offers an adjustable current limit function that allows the user to precisely control the load current, to prevent overloading the device. The maximum current is adjustable from 10 mA to 100 mA, and the device offers excellent current regulation of typically ±1%.

The device has a power-on reset circuit, which ensures the device provides starting voltage when the system is turned on. It also features an under-voltage lockout function, which switches off the output when the input voltage drops below the selected level.

The TPS79928DRVT is designed to work with input voltages from 3.2 V to 17 V, and features an accurate output voltage of ±2%.