LTC3731CG#TRPBF

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LTC3731CG#TRPBF Application Field and Working Principle

LTC3731CG#TRPBF is a PMIC (Power Management IC) voltage regulator, which belongs to the DC/DC switching controllers category. This chip is used to supply power to To Programmable Logic Circuits (PLs), or a system in different voltage levels, or just to offer regulation and monitoring of voltage delivery. It features a wide input voltage range, adjustable switching frequency, a circuit control, and also offers complete protection functions.

LTC3731CG#TRPBF DC/DC switching controllers provide down-conversion step-down DC/DC output for electronic systems and hardware components. This type of chip provides higher power density and efficiency with less heat generated than linear regulators. The switching controllers are specially used to control the voltage output from an unregulated voltage input, in order to manage the power supply and maintain a safe-operating environment for the electronic components.

LTC3731CG#TRPBF can be used to further extend the full system voltage range from 0.6 V to 6V with a duty cycle from 0.3% to 99.9%. The part integrates an adjustable current limit, one comparator, two reference voltage converters, two multipliers, two temperature-sensing circuits and also offers control loop compensation and fault protection features. Additionally, the chip has a power up and down cycle sequencing, so continuous monitoring of input and output voltages and currents is available, as well as protection against latency and current spikes.

Moreover, the chip offers voltage and current monitoring or measurement, as mentioned before, and also can manage soft start-up, overvoltage and undervoltage protection, a temperature limit, a programmable time-out and boost current limit. So EEPROM or controllers can now be monitored automatically from a single supply. The chip is also capable of setting a moderate level of current to be supplied too narrow supply rails, protecting the chip’s output from overcurrent and also preventing it from drawing more current than expected.

The LTC3731CG#TRPBF is the perfect PMIC voltage regulator for applications when an adjustable voltage range is required, minimum power dissipation is necessary and high switching frequency is needed for noise prevention. Many electronic devices, such as computers, smartphones, TVs, cars and industrial machinery, require power management features and steady voltages and current delivery. In these applications, the device’s operation and stability depend on the constant delivery of power, and thus, a PMIC voltage regulator such as the LTC3731CG#TRPBF is a must.

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