UCD9244ARGCR

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UCD9244ARGCR is a quasi-resonant PWM controller for applications such as distributed power systems, AC/DC and DC/DC conversion, and single-phase and two-phase voltage-regulator modules. It is an integrated circuit (IC) that is designed to provide a cost-effective solution for power system design and implementation. The UCD9244ARGCR enables a power system design to be implemented quickly and with minimal cost.

The UCD9244ARGCR is a four-phase quasiresonant controller for applications such as distributed power systems, AC/DC, and DC/DC conversion. The device utilizes a programmable true-tangent control loop, offering precise performance and flexibility in the design of the power system. The true-tangent control eliminates time delays and eliminates switching transients. Furthermore, the device can be programmed to optimize the power factor by controlling the bandwidth of the control loop. The device utilizes a low-side/high-side power MOSFET drive to provide precise and reliable control of the system.

The UCD9244ARGCR features an adjustable input over-voltage protection circuit and an adjustable output undervoltage protection circuit. The device utilizes the industry standard I2C interface for communicating with the power system. The device can be used in conjunction with other components, such as a supervisory circuit, to form a distributed power system. Furthermore, the device features a wide operating range and can be used in both AC and DC systems.

The UCD9244ARGCR is designed to operate in a temperature range of −40°C to +105°C. The device uses on-chip Thermal Shut Down (TSD) and undervoltage lockout (UVLO) to protect the device from excessive temperatures or input voltages. The device utilizes a 2.5V to 5.5V input voltage range and can switch up to an input voltage of 20V, making the device suitable for a wide range of applications.

The UCD9244ARGCR utilizes an internally self-biased current-mode control topology, which is suitable for high power systems. The device can operate in either phase-leading or phase-trailing mode and can be programmed to provide a 1ms to 16ms cycle time. The device can be used in single phase and two phase voltage regulator modules, as well as a distributed power system.

The UCD9244ARGCR is a versatile, cost-effective solution for power system design and implementation. The device has adjustable input overvoltage protection and output undervoltage protection and is designed to operate over a wide temperature range. The device utilizes a four-phase quasi-resonant control loop and an I2C interface for communication with other components. The device is suitable for both single phase and two-phase voltage regulator modules, as well as a distributed power system.

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