TPS54240QDGQRQ1 Integrated Circuits (ICs)

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The TPS54240QDGQRQ1 is a DC-DC switching regulator which is included in the power management IC (PMIC) family of voltage regulators. It is designed to deliver an adjustable output voltage that supplies a variety of applications and systems. With an input voltage range of 4.5V to 38V and an adjustable output voltage of 0.7V to 6.8V, the TPS54240QDGQRQ1 is able to provide a high power conversion efficiency of up to 90%. It can provide up to 8A of output current and takes advantage of synchronized rectifier techniques to deliver low voltage conversion noise combined with a low quiescent current.

The TPS54240QDGQRQ1 is based on a step-down switching regulator which utilizes a pair of switches to generate an adjustable voltage from the input voltage source. The regulator operates with a switching frequency of 1.6MHz and uses a peak current mode control architecture with a voltage-mode control loop to provide an active current limit. It also includes various safety features such as input under voltage lock out, over temperature protection, current limit, and fault reporting.

The TPS54240QDGQRQ1 also provides a variety of options to help optimize application performance, such as selectable switching frequencies, adjustable current limit, and cycle-by-cycle current limit. The device includes a variety of monitoring and protection features, including over voltage protection, under voltage lockout, over temperature protection, and short circuit protection. The device also integrates a selectable, programmable soft start for use with all output voltage configurations.

The TPS54240QDGQRQ1 is ideal for applications such as point-of-load regulating, point-of-load sequencing, and low-power high-efficiency power supplies. It is also suitable for replacing linear regulators where higher efficiency and space savings are required. The device is available in a 28-pin, thermally enhanced non-green QFN package and is lead (Pb)-free and RoHS compliant.

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