TPS62400QDRCRQ1 Integrated Circuits (ICs)

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TPS62400QDRCRQ1 is a DC-DC step-down switching regulator with an input voltage ranging between 2.7V to 5.5V. It provides a high output accuracy of 1.5% and an output voltage range of 0.5V to 5.1V. The device operates with a switching frequency of 3MHz, enabling a small inductor and providing fast transient response.

Applications of TPS62400QDRCRQ1 include battery-operated systems, mobile phone cameras and other portable systems. It can be used to create power supplies or post-regulation systems. It includes false-driven protection circuits and logic gate delay control (LGDC) to reduce EMI noise.

In operation, an internal switching architecture controls the voltage of the output, allowing it to be constantly adjusted to the desired level by adjusting the pulse width modulation (PWM) duty cycle. This switching architecture provides very high efficiency, up to 97%, and also allows for a very fast transient response. The LS pin adjusts the switching ratio for the system, allowing for a soft-start feature and also for a very smooth drop-out operation.

TPS62400QDRCRQ1 includes a logic gate delay control (LGDC) feature, which reduces EMI noise by adjusting the PWM frequency and using the IRC pin to enable the controller in the light load condition. The device also provides a false-driven protection circuit that reduces the output power in the light-load condition for improved efficiency.

In summary, TPS62400QDRCRQ1 is a DC-DC step-down switching regulator suitable for battery-operated systems, mobile phone cameras, and other portable systems. It offers high efficiency of up to 97% and fast transient response, as well as a LGDC to reduce EMI noise and a false-driven protection circuit to reduce the output power in the light-load condition.

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