IFX30081LDV33XUMA1 Integrated Circuits (ICs)

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The IFX30081LDV33XUMA1 is a linear voltage regulator and part of STMicroelectronics’s Power Management integrated circuit (PMIC) series. It is a low-dropout (LDO) regulator that can provide up to 5 A of current directly from an input voltage as low as 4.5 V, making it suitable for microprocessor and other device applications requiring an adjustable or fixed output. The device is capable of delivering an output voltage of 0.8 V up to 9.9 V with a maximum tolerance of 0.75 % (typical). With a low operating current of just 10 µA and low drop-out voltage of 150 mV, the device is ideal for power-sensitive applications such as smartphones, tablets, and industrial automation devices.

The basic function of the IFX30081LDV33XUMA1is to regulate the input voltage and offer stable output voltage. It will take the voltage available to the input pin, control the current flow through the internal resistors and transistors, and deliver a fixed output voltage. This is done by the device regulating the dropout voltage difference between the input and output pins. The device is capable of operating with a maximum dropout voltage of 150 mV, allowing the IC to work with very low input voltage applications while ensuring the load is supplied at the desired output voltage.

Given the low drop-out voltage of 150 mV and maximum output current of 5 A, this device is suitable for powering sensitive applications like modern digital systems such as microprocessors, DSPs, ASSPs and FPGAs. In addition to this, it can also be used for other applications such as linear actuators, automotive systems and smart cards. Since the device is also certified for various safety standards like IEC and ISO/IEC, it can be used in industrial, medical and other applications that require certification.

The device can also be configured to work in certain operating modes such as power-saving, low-noise and Fast Start-Up Mode. The Fast Start-Up Mode enables the device to start up at an immediately available input voltage. This allows the device to switch between the start-up voltage and the steady state voltage quickly. This can be used to optimize the design of power converters in order to reduce power waste in start-up conditions.

In power-saving mode, the IFX30081LDV33XUMA1 is capable of reducing its quiescent current to 85% of its normal current value. This can be used to reduce the power consumption of the overall system, making it well-suited for applications that require a long battery life and minimized power draw. The device can also be configured in low noise mode to reduce the output voltage noise by up to 40%. This can be used in noise-sensitive applications, such as medical devices and audio systems.

The IFX30081LDV33XUMA1 is a low dropout regulator suitable for a wide range of applications from microprocessors to industrial automation to consumer electronic products. Its low operating current and low dropout voltage enable the device to be used in power-sensitive applications, and its configurable modes such as power-saving and low noise enable it to be tailored to specific application needs.

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