L6710TR

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L6710TR is categorized as Power Management Integrated Circuits (PMIC) - Voltage Regulators - DC to DC Switching Controllers. This IC is designed for use in switched mode power supplies (SMPS) for applications in consumer, industrial, and automotive markets. This device operates in both buck and boost configurations.

The L6710TR is a monolithic, high-efficiency, low quiescent current, and low ripple switching regulator controller. It has a wide range of input voltage and can operate in both constant voltage and constant current modes. It can provide up to 2A output current depending on external components and is capable of operating at up to 2MHz switching frequency. The IC can be used with either an N-channel or a P-channel external MOSFET and is available in a 14-pin SOIC package.

The device is easy and flexible to use since it has all the necessary control, configuration, and protection features integrated. It includes a high accuracy voltage reference, an error amplifier, a current sense amplifier, and over-voltage, under-voltage, and over-current protections. There is also an enable input, which allows other components to control the enablement of the IC for power savings. Additionally, there is an adjustable Reset input, allowing users to use a third-party circuit for system reset. The L6710TR features a low power consumption control system to reduce the switching power loss.

The working principle of the L6710TR is based on a two-loop system for regulating the output voltage. The outer loop regulates the error amplifier\'s output voltage and provides voltage feed-forward. The inner loop controls the switching of the external MOSFET. In constant voltage mode, the output voltage is regulated around the FB voltage. The error amplifier compares the FB voltage with the voltage reference and adjusts the duty cycle of the external MOSFET accordingly. In constant current mode, an additional external resistor is needed. The resistor is connected to the ISENSE pin, and the device compares the voltage drop across the resistor with the voltage reference. It then adjusts the duty cycle to maintain constant current output.

The L6710TR is ideal for a wide range of applications including battery chargers, power adapters, DC/DC converters, LED drivers, and portable equipment. It has been designed for use in high-efficiency, high-density, energy-saving applications. It has a wide input range and can accept input voltages from 4.5V to 42V. This IC has a shutdown current of less than 0.1uA, making it ideal for use in battery-powered devices. The L6710TR is also highly-integrated, providing an optimized solution with minimal external components.

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