TPS70448PWPG4

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The TPS70448PWPG4 is a general-purpose, fixed-output linear voltage regulator device with a wide input voltage range and low drop-out regulator (LDO) performance. It is designed to provide a cost-effective power supply solution for many of the most commonly used applications in a variety of industries, including industrial, automotive, consumer, and medical equipment.

Application Field

The TPS70448PWPG4 is intended for applications which require a low-cost, fixed-output linear regulator. Typical applications include microprocessor system regulators, low-dropout regulators, bias voltage regulators and reference voltage regulators, as well as other applications that require a low noise constant voltage source.

The wide operating voltage range of this device makes it suitable for input voltages of up to 33V (VIN ≤ 33V) and output voltages of up to 5.5V. It is also able to handle load currents up to 1A (IOUT ≤ 1A) which makes it suitable for a variety of load requirements. Additionally, the TPS70448PWPG4 features internal thermal regulating which protects it from excessive junction temperatures.

Working Principle

The working principle of the TPS70448PWPG4 is a simple two-stage process in which the operating voltage is first set by resistor divider on the adjustment pin, and then regulated by the device itself. The internal circuit of the device consists of a control loop which senses the voltage at the output and continuously adjusts the device\'s output voltage to maintain a constant voltage. This is done by controlling the amount of current allowed to pass through the internal FET which in turn changes the output voltage of the regulator.

The TPS70448PWPG4 is a low dropout (LDO) regulator, meaning that it is able to maintain a constant output voltage even when the input voltage varies. This is especially useful in automotive applications where the input voltage can vary widely due to different driving conditions. The low dropout voltage of the TPS70448PWPG4 allows for a wider input voltage range and increased cost-efficiency.

Conclusion

The TPS70448PWPG4 is a low-cost and highly efficient linear voltage regulator designed for general purpose industries. It is designed to provide a cost-effective power supply solution for many of the most commonly used applications in a variety of industries. Its wide operating voltage range and low dropout performance make it a suitable choice for applications requiring a reliable and constant supply of power. The device’s internal thermal-regulating capabilities ensure that the device is protected against excessive temperatures.

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