ADP2140ACPZ3318R7

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PMIC - Voltage Regulators - Linear + Switching are used to regulate a given set of voltage range measurements and associated signals. The ADP2140ACPZ3318R7 is an example of a voltage regulator that is designed primarily for linear and switching applications. It is an adjustable, two-channel, ultra-lowdropout (LDO) linear and switching regulator with integrated low on-resistance MOSFETs. This voltage regulator features wide input range, internal compensation, overload protection, output voltage adjustment, and is also suitable for powering multiple LEDs, RF transceiver and other applications.

Power Input

The ADP2140ACPZ3318R7 is designed to work with variable input voltages between 2.5V-6V, with a maximum of 7V. It is capable of sourcing up to 600mA for each channel and can also provide up to a maximum of 1.2A of load current when two channels are active. The typical dropout of this regulator is only 150mV which ensures an efficient power delivery and is ideal for battery powered applications.

Output Voltage

The ADP2140ACPZ3318R7 regulator provides an adjustable output voltage from 0.8V to 5V at up to 600mA per channel. Each of the two channels is separately adjustable; the adjustment range for the output voltage of each channel is 0.8V to 6.5V. The device enables the user to set different values of output voltage for different applications, allowing for optimal voltage regulation for each application.

Working Principle

The ADP2140ACPZ3318R7 uses a linear-switching regulator circuit to regulate the output voltage to the desired level. The device contains two different regulator circuits, one that typically operates in linear mode and the other in switching mode. If the output voltage needs to increase or decrease, the system switches between the two modes based on the load current required by the application. When the load current is high, the device will switch to the linear mode, and when the load current is low, it will switch to the switching mode.

In linear mode, the device operates by controlling the amount of current that flows through the output terminal. This is done by adjusting the size of the voltage drop across a resistor and an internal MOSFET, thus providing the required output regulation. In switching mode, the device regulates the output voltage by controlling the transistors that drive the output terminal. This reduces the power dissipation and minimizes the heat generated by the regulator.

Protection Features

The ADP2140ACPZ3318R7 offers a variety of protection features such as over-current, thermal shutdown and overload protection. The overload protection feature will shut off the output if the output voltage exceeds the set limit for a certain amount of time. This feature helps to prevent any damage to the system and keeps the application safe. In addition, the thermal shutdown feature will shut off the regulator if the device temperature exceeds a certain preset value. This feature helps to prevent any potential damage caused due to excessive heat generated by the regulator.

Applications

The ADP2140ACPZ3318R7 is ideal for a variety of applications such as mobile phones, handheld portable devices, battery powered and low voltage systems, consumer electronics, automotive electronics, industrial and communications equipment and many more. The device’s wide operating range, internal compensation, overload protection, output voltage adjustment and superior accuracy make it well suited for a wide range of applications. It is also capable of powering multiple LEDs, RF transceivers, digital circuits, and other consumer products.

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