TS2950CT33 A3G

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The TS2950CT33 A3G is a member of STMicroelectronics’ low-power, low-dropout, three-terminal regulator family. This device can supply stable and well-regulated outputs of 3.3V with max output currents ranging from 200mA to 350mA.

The TS2950CT33 A3G is specifically tailored for applications requiring low power consumption, such as battery-powered systems where supply current is effectively cut-off when the output current is lower than the quiescent current requirement. The maximum dropout voltage at full load is 270mV. The output voltage is also able to track an externally applied 3.3V reference as these devices allow an external resistor-divider to be connected to their reference pin.

The TS2950CT33 A3G belongs to STMicroelectronics’ linear voltage regulator family, developed to drive loads like low-power motors and LEDs. This type of voltage regulator maintains a linear relationship between input and output voltage, using an active output element (the pass transistor) to supply a voltage that is lower than that of the upstream source. This means the output current will be proportional to the control signal, i.e., the input voltage. As a result, these types of linear regulators offer a relatively simple and cost-effective solution for applications requiring a well-regulated power supply.

Device features include a high precision reference voltage of 1.25V (+/- 5%), an adjustable output voltage range of 1.5V to 6V, and an adjustable maximum output current (up to 350mA). The TS2950CT33 A3G is designed with a typical temperature coefficient of 0.5 mV/°C, and has built-in over-temperature, over-current, and under-voltage protection. This device is also engineered to offer a high level of accuracy with its maximum output deviation of no more than +/-1.5%. Furthermore, this device has an output voltage accuracy at 25°C of +/-2%, with an output voltage tolerance at room temperature of +/-4%.

The TS2950CT33 A3G is suitable for various applications such as battery powered devices, industrial controllers, and audio systems. The device is particularly well suited to power-sensitive applications such as digital cameras, car audio systems and wireless interfaces, where high efficiency, low noise and a low quiescent current are all critical requirements. Further, this device is also ideal for applications where the output must track an external reference voltage.

In summary, the TS2950CT33 A3G is an ideal choice for engineers looking for a low-cost, easy-to-use, and ultra-low-power linear voltage regulator. Its features make it suitable for a wide range of applications, including those requiring low-noise and efficient power supplies, as well as those needing a stable and well-regulated output voltage that tracks a given external reference.

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