TLE4290GATMA1

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The TLE4290GATMA1 is a high-precision, low-power current-differencing linear regulator. This type of linear regulator consists of two matched voltage references functioning as a current switch. The linear regulator offers an integrated two-wire digital current source, while an external current source connected to the output of the regulator can be used as a load. The current output is determined by the difference between the two external voltage references. An extremely precise, programmable, low-power and integrated current switch allows active operations in a wide range of applications.

The TLE4290GATMA1 incorporates a sophisticated architecture that provides very low power consumption in direct connection with equipment and systems. It is designed for use in very sensitive analogue and digital systems and with very high performance operation. The device supports one or two wire buses, providing excellent flexibility for applications such as AC/DC converters, solar cell inverters, gate drivers, battery chargers and supervisory circuits.

The main advantages of the TLE4290GATMA1 is its precision, its low-power consumption and its integrated current switch.It is designed for low-voltage, low-power applications with a minimum operating voltage of 2.7V. The device can be used in devices with a typical input voltage range of between 2.0V and 3.6V, a maximum current output of 12mA, and a maximum load resistance of 120Ω. The device is also capable of operating in a wide temperature range of -40 to +85 degrees Celsius.

The TLE4290GATMA1 is typically used in a number of applications with space and power restrictions such as battery-powered equipment, smart meters and mobile phones, data converters and other applications where accurate, efficient and low-power linear power supplies are necessary. The device is also capable of supporting electronic current measurement, making it suitable for accurate current measurement applications such as DC-DC converter control, distributed energy systems, and energy performance monitoring.

The TLE4290GATMA1 works by comparing two external voltage references, Vref1 and Vref2, with two internal regulation voltages V0 and V2. The first reference voltage is used as a reference value while the second reference voltage is used as a voltage setting parameter which can be used to adjust the current strength. An external current source of maximum 12mA is connected to the output of the regulator and the current output is determined by the difference between the two external voltage references. If the voltage references drop below the level of Vref1 and Vref2, the device begins to regulate the current output accordingly. The degree of regulation is determined by the user-programmed regulation voltage values.

In operation, the device uses a comparator circuit to compare the two voltages, which is then used to control the switching of power transistors and to limit the voltage applied to the load. The output voltage is thus determined by the difference between the two references, and the device’s internal circuitry is designed to adjust the output voltage depending on the variation in the two reference voltage levels. The device also has built-in hysteresis to ensure stable accuracy over the full temperature range.

In summary, the TLE4290GATMA1 is a low-power, linear voltage regulator that offers precision, low power consumption and integrated current switching. It is ideally suited for applications where space and power constraints are a factor, including mobile phones, data converters and other applications that require accurate, efficient and low-power linear power supplies. Its ability to support electronic current measurement makes it suitable for applications such as DC-DC converter control, distributed energy systems and energy performance monitoring.

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