LMR16006YQ3DDCRQ1

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LMR16006YQ3DDCRQ1 is a high efficiency, low Iq step-down DC to DC converter from Texas Instruments. It has a wide adjustable output voltage range from 0.6V to 5.5V and is designed to deliver up to 3.5A. Due to its wide input voltage range, it can be used in various systems, from simple power management to complex power supplies.

Application Field

The application field of this device includes but is not limited to: automotive accessories, consumer electronics, home appliances, handheld devices and networking equipment. Due to its wide input voltage range and small size, it can be used in automotive systems as a vehicle-to-battery interface. It is also suitable for point-of-load applications, where it can be used to power lower voltage Core logic, I/O and memory components. Furthermore, it is ideal for powering LED and LCD displays.

Working Principle

The LMR16006YQ3DDCRQ1 is a synchronous buck. It consists of a power MOSFET switch and a control block. The power switch is controlled by the control block which regulates the current supplied to the output voltage. At power on, the Auxiliary (Aux) voltage monitor comparator will enable the control logic and switch, so the device starts switching by sending a pulse to the Gate of the power MOSFET.

When the MOSFET is ON, inductor current starts to build up. When the current has reached its peak, the switch is turned OFF and the stored energy in the inductor will flow towards the output capacitor, providing a regulated output voltage.

The cycle is then repeated, thus providing an efficient and regulated output voltage. The Inductor current will be regulated by comparing the output voltage feedback to the feedforward voltage, thus regulating the output voltage as close as possible to the desired value.

The device also has many other features including thermal shutdown, soft-start and over current protection, which help to protect the device from fault conditions and provide a safe and reliable system.

Conclusion

In conclusion, the LMR16006YQ3DDCRQ1 is a high efficiency, low Iq synchronous step-down DC to DC converter that can be used in a wide variety of systems. It has a wide input voltage range, making it suitable for automotive applications, and it provides an efficient and regulated output voltage. Furthermore, it includes multiple protection features to ensure safe operation, making it an ideal solution for applications requiring a DC-DC converter.

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