TPS79433DGNTG4

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The TPS79433DGNTG4 is a linear, low-dropout regulator integrated circuit (IC) from Texas Instruments. An integrated circuit (IC) is a chip or a microcircuit composed of millions of transistors and other electronic components that are fabricated on a single wafer of semiconductor material (such as silicon). The TPS79433DGNTG4 helps to maintain reliable and stable power for many applications. It provides micro-power, remote load, and high ESD immunity, making it a highly reliable voltage regulator.

The TPS79433DGNTG4 is suitable for use in mobile communications equipment as well as other electronic products such as notebook PCs and digital cameras. It provides superior high-temperature performance and is well suited for an automotive environment. The TPS79433DGNTG4 can also be used in set-top boxes and other consumer electronic devices.

The TPS79433DGNTG4 is a 3.3V voltage regulator. It has a maximum output current of 1A, an operating temperature range of -40 to +125 °C, and a total power dissipation of 2.6W. The thermal resistance junction-to-case (ΘJC) is 3.2°C/W, and the thermal resistance junction-to-ambient (ΘJA) is 62°C/W. It features a low-dropout voltage of 1.4V and a voltage accuracy of 2.5%.

The TPS79433DGNTG4 provides high ripple rejection and low noise. It has ESD protection, a wide output voltage range, and a low shutdown current. The input voltage range is from 4.9V to 20V. The dynamic load regulation and line regulation of the TPS79433DGNTG4 are typically better than 1%.

The TPS79433DGNTG4 operates through a simple voltage divider network. The output voltage is proportional to the ratio between the two resistors in the voltage divider. The output voltage of the voltage regulator is equal to the output voltage of the voltage divider multiplied by 1.25 (for the TPS79433DGNTG4).

The regulator includes a feedback comparator that compares the output voltage to a reference voltage, typically 2.50V. The output of the comparator is connected to an error amplifier, which is responsible for providing a voltage that is suitable for adjusting the output voltage beyond the bandgap voltage reference.

The feedback loop is used to control the level of output current. If the output voltage is too high, the output current is limited and vice versa. The error amplifier then drives a pass transistor, and the voltage drop across the transistor is adjustable by the reference voltage.

The TPS79433DGNTG4 is a versatile low-dropout regulator. It is capable of providing highly efficient and stable voltage regulation, making it suitable for a wide range of applications. Its small size, reliable performance, and low power consumption make it an ideal solution for mobile and consumer electronic applications where low power consumption is a key factor.

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