S-812C25BPI-C4FTFG

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The S-812C25BPI-C4FTFG is a linear voltage regulator in Texas Instruments\' PMIC (Power Management IC) family. The S-812C25BPI-C4FTFG is a low-dropout (LDO) voltage regulator, designed to provide reliable, wide-range output voltage accuracy while in a small package and having low quiescent current. It is compatible with more applications than ever before thanks to its advanced features and excellent performance.

The S-812C25BPI-C4FTFG is ideal for applications that require precision output voltages of up to 25V, including those for industrial, instrumentation and communications. The LDO voltage regulator has a wide input voltage range of 4.5V to 25V and a 3.3V to 6V output range. It has a dropout voltage of 1V and a maximum load current of 1A. It is specifically designed to have low quiescent current and features low ESR capacitors, a programmable current limit, an over-temperature protection mode, and a maximum-load current limitation feature. It also has a built-in soft-start function that limits inrush currents, and is designed to protect against overvoltage conditions. Additionally, the S-812C25BPI-C4FTFG has a thermal shutdown temperature of 80°C, with an operating temperature range of -40°C to 85°C.

The S-812C25BPI-C4FTFG is specifically designed to be used in a variety of applications, including cellular phones, LED backlighting and lights, automotive, medical equipment, and computer peripherals. It is suitable for use in typical digital and analog applications, as well as for use in space-constrained boards or modules. It is ideal for powering highly sensitive circuitry, or for powering audio or video components.

The S-812C25BPI-C4FTFG features a controlled impedance topology, which consists of capacitors and an inductor. This topology is designed to reduce noise and minimize output impedance. It also helps reduce the amount of power dissipation in the system, providing better thermal stability and higher efficiency than other LDO voltage regulators.

The working principle of the S-812C25BPI-C4FTFG is fairly straightforward. It functions as a linear voltage regulator, which means it holds the output voltage constant regardless of the input voltage or load current. To maintain the regulated output voltage, the LDO uses a series of cascaded transistors that act as a buck-boost converter. This design allows the LDO to regulate a wide range of output voltages, as it is able to handle differences in input voltage.

The S-812C25BPI-C4FTFG also has a reverse current protection feature. This feature prevents current from flowing back into the voltage regulator should the input voltage exceed the output voltage by a significant margin. This is especially useful when supplying output currents above 500mA.

Overall, the S-812C25BPI-C4FTFG is an excellent voltage regulator which performs reliably with a wide input voltage range and low output voltage. It is the ideal choice for powering sensitive circuitry and devices.

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