LT1171HVCT#30PBF

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The LT1171HVCT#30PBF is an integrated DC-DC buck (step-down) switching regulator, which is widely used in many industrial and commercial applications. It integrates all the necessary components such as resistors, capacitors, inductors and integrated circuits, to control the conversion of a DC input voltage to a lower regulated DC output voltage at a precise selected output current.

The LT1171HVCT#30PBF is a switching regulator with a very high efficiency, usually reaching up to 90%. It is designed for an input voltage range of 4V to 100V and with an adjustable maximum output voltage of 0.8 V to 100V, making it suitable for a wide variety of applications and projects. Moreover, its maximum output current is 8A and the switching frequency is internally fixed at 25kHz to 250kHz.

The LT1171HVCT#30PBF makes use of an internal oscillator that controls the on-time for the pulses sent to the pass transistor, supplying the output voltage. This oscillator can operate in either constant frequency or constant frequency with valet mode (which is used when there is no output load present). In constant frequency mode, the regulator responds to the load by varying the duty cycle (ratio of on time to the cycle time) of the oscillator wave form.

The LT1171HVCT#30PBF also utilizes an internal error amplifier that is regulated by a reference voltage. This reference voltage sets up an operating voltage for the error amplifier, which, in turn, is responsible for producing the output voltage. The error amplifier monitors the output voltage and adjusts the duty cycle of the oscillator wave form to avoid any output voltage drop or rise.

The LT1171HVCT#30PBF also provides a wide range of protection and safety features. These include over current limit, over temperature protection, over voltage protection, and a soft-start feature. Over current limit prevents the output current from exceeding a safe limit, while over temperature protection helps to prevent damage due to the temperature of the part exceeding the operating temperature range. Over voltage protection shuts down the regulator if the output voltage exceeds a predetermined voltage limit, ensuring that no damage is caused to sensitive analog or digital circuits.

One of the most useful features of the LT1171HVCT#30PBFis its low quiescent current. It is designed to draw a very low current when it is in standby mode, thus saving power and extending the life of the device. Moreover, the device has a low standby power loss and its output noise is very low, thus providing reliable and clean power.

Finally, the LT1171HVCT#30PBFcan be used in a wide variety of applications, including server power systems, IoT applications, automotive, consumer electronics, industrial power supply systems, telecommunication systems, and solar/power management systems. This versatile device offers a cost-effective and reliable solution to many power supply needs, being a great choice for any system where high efficiency and precise regulation are required.

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