LT1173CN8-12#PBF

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A DC-to-DC switching regulator is an integrated circuit that steps down the voltage of an input voltage source to achieve the desired voltage level at the output. Such regulators are used to provide a low-voltage output from a higher input voltage in numerous electronics applications. The LT1173CN8-12#PBF is one such DC-to-DC switching voltage regulator.

The LT1173CN8-12#PBF is a low dropsout (LDO) regulator that works with an input voltage range of 14V up to 60V and can provide up to 1.3A of continuous output current. It features two independent, fully integrated low-side switched FETs that can work in parallel to provide higher currents. It integrates a high-speed, low-noise error amplifier, as well as a high-speed current limiting circuit and low on-resistance MOSFET switches. In addition, it includes various protection features like reverse-voltage protection, input over-voltage protection, output over-voltage protection and thermal shutdown.

The LT1173CN8-12#PBF works with different control architectures, including voltage mode control and current mode control. It also supports adjustable soft-start and adjustable frequency operation, allowing designers to tailor the output voltage response over the entire load current and dynamic range. This makes the device a good choice for use in a wide variety of applications, including server and notebook power supplies, battery chargers, gaming machines, embedded designs and isolated power supplies.

In addition to its wide range of features and applications, the LT1173CN8-12#PBF offers superior performance in terms of efficiency and power supply noise, as well as low power losses in all operating states. This makes it a viable option for many power supply designs.

The LT1173CN8-12#PBF’s overall performance is largely based on its design and working principle. At its core, the LT1173CN8-12#PBF operates using a voltage-mode control architecture. This architecture combines both voltage and current sensing to achieve an output voltage that is proportional to the input voltage.

In essence, the LT1173CN8-12#PBF constantly senses the output voltage in order to regulate and maintain the output at the desired voltage level. The input voltage is compared with the output voltage, and the voltage regulator calculates the necessary current required to maintain the output voltage. It then pulses the MOSFET switches to the appropriate duty cycle to deliver the necessary current. This process is repeated hundreds of times a second, resulting in a constant and steady output voltage.

The working principle of the LT1173CN8-12#PBF is simple, yet incredibly effective. This voltage regulator can support a wide range of applications due to its flexibility and performance. It is truly a reliable and efficient solution for any power supply design.

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