SPX29300T-L-1-8

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The SPX29300T-L-1-8 is a low-dropout (LDO) linear voltage regulator designed to provide cost-effective, low-noise output power over a wide range of input voltage conditions while offering improved thermal performance. This device provides high-accuracy, low-power regulation of up to 8A output current over the specified input voltage and temperature range. The SPX29300T-L-1-8 is available in an 8 pin, quad-flat no-lead (QFN) package and is suited for use in applications such as portable devices and other space constrained solutions.

Application Field

The SPX29300T-L-1-8 is well suited for use in applications that require small form factor, low-cost solution with highly efficient performance. The small 8-pin, quad-flat no-lead (QFN) package helps reduce circuit board space while the low dropout of 330mV ensures that even at high current output, the device still offers optimal noise performance. The SPX29300T-L-1-8 offers superior transient line regulation, making it well suited for applications such as handheld consumer electronics and wireless charging systems.

The SPX29300T-L-1-8 delivers voltage accuracy of ±2%, making it ideal for applications such as microcontrollers, FPGA power sequencing, LEDs, RF Power Amplifiers (RFPA), Switched Mode Power Supplies (SMPS) and digital audio-video devices.

Working Principle

The SPX29300T-L-1-8 is a linear voltage regulator. It consists of a series of transistors or metal oxide semiconductor field effect transistors (MOSFETs) arranged in a complementary arrangement. The transistors are controlled by a feedback circuit connected to the output. When the output voltage drops below the set voltage, the feedback circuit turns on the transistors, thus providing additional current to the output. In this way, the output voltage is regulated and maintained at the desired value.

The SPX29300T-L-1-8 features an internal voltage reference and a status output pin. The status output pin is used to provide feedback to the system, allowing the system to monitor the load conditions. The internal reference voltage is also used to provide further accuracy when regulating the output voltage.

The SPX29300T-L-1-8 features internal thermal protection, over-current protection and over-temperature protection. This ensures the device is protected from damage due to excessive loading or temperature. The protection modes can be enabled and disabled by the user, allowing for maximum flexibility in device operation.

The SPX29300T-L-1-8 is well suited for applications where low noise and tight voltage accuracy are a must. Its integrated protection and high efficiency make it a great choice for a wide variety of applications in the portable, consumer and industrial markets.

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