LMR24220TL/NOPB Integrated Circuits (ICs)

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PMIC voltage regulators are switching regulators with different configurations, providing a variety of features, such as wide input voltage range, high output current and efficiency for low power dissipation. The LMR24220TL/NOPB is a high frequency buck regulator that provides a regulated output voltage from a wide input voltage range of 2.25V to 32V. It is an ideal choice for applications that need a high output current and low power dissipation.

This buck regulator has fixed frequency cycle by cycle current limit and programmable frequency operation. The current limit is adjustable from 1A to 8A. The PWM output frequency can be programmed from 200kHz to 1.3MHz. The frequency is adjusted by an RC filter, a resistor and a capacitor which are connected to two external pins. The advantage of this buck regulator is that, when compared to other topology, it requires less input and output capacitance and therefore, less space is required on the boards in order to install the components.

The LMR24220TL/NOPB can provide a maximum output current of 10A and its switching frequency is adjustable with a default frequency of 1MHz. It has a low quiescent current of 1mA, which makes it ideal for low power applications. The LMR24220TL also comes with integrated thermal protection and over current protection, which can prevent the device from damage caused by excessive current. The device is also equipped with an enable pin, which allows the user to control the output voltage of the device.

The internal structure of a buck regulator usually consists of an input voltage filter, a higher voltage DC-DC converter, a control circuit and an output voltage regulator. The input voltage is typically filtered by an LC circuit to reduce the switching noise and ripple on the input power. Then, the higher voltage DC-DC converter boosts the input voltage to a level which is then regulated by the output voltage regulator through a feedback loop.

The LMR24220TL/NOPB buck voltage regulator is capable of operating at high efficiency levels and low power dissipation. It is also equipped with the mentioned features and protections, which make it reliable for applications that require high output current and low power dissipation. This regulator is an ideal choice for applications such as industrial motor control, automotive and telecommunication systems.

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