TPS7248QDG4

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TPS7248QDG4 Application Field and Working Principle

The TPS7248QDG4 is a linear voltage regulator suited for use in a wide range of general-purpose applications. This voltage regulator was designed with an integrated opamp to allow monitoring of various voltage levels and to provide a feedback loop to help maintain the desired voltage and supply stability. The series includes one model, the TPS7248QDG4, that offers adjustable output voltage, low dropout voltage, low operating current, thermal overload protection, and low output noise.

The main application field of the TPS7248QDG4 voltage regulator series is to provide a regulated output voltage that can be used in many applications including battery-powered electronics, test equipment, medical instruments, industrial automation systems, telecom equipment, and IT equipment. The low dropout voltage on this voltage regulator allows for it to operate with a low input voltage, which is useful for battery-powered systems.

The TPS7248QDG4 series is designed to be used as an adjustable voltage regulator, providing a stable voltage for any application. It is an integrated circuit voltage regulator with a non-inverting amplifier feedback loop topology to maintain the desired operating point. An external resistor divider allows the user to adjust the output voltage and maintain a low dropout voltage tolerance. In order to ensure a good stability, a compensation capacitor is required to be used on the error pin, but this capacitor can be set up with a wide range of capacitance values. In addition, the thermal protection function of the device allows the regulator to go into a safe state when it is exposed to an excessive temperature.

The TPS7248QDG4 series also features low operating current, low output noise and fast transient response. This series of devices has an output current rating of 0.5 Amps and an output voltage range of 1.5 V to 15 V, typical output voltages being 3V, 5V, 8V, and 12V. The line regulation of the TPS7248QDG4 is approximately 0.01%, with a load regulation of 0.4%. The output noise for this series of devices was measured to be approximately 0.5 mVpp with a bandwidth of 10 MHz to 20 MHz. The device has a dropout voltage of only 0.6V at full rated load and ground-pin current of 10 mA.

In conclusion, The TPS7248QDG4 is an excellent general-purpose linear voltage regulator with a low dropout voltage, low operating current and thermal protection. The adjustable output voltage and fast transient response make it a great option for a wide range of applications. Furthermore, the low output noise and excellent performance make it suitable for highly sensitive applications.

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