ZXTR2005Z-13 Integrated Circuits (ICs)

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PMIC, or power management integrated circuits, play a critical role in applications across most industries and disciplines. Their role is to provide voltage regulation to ensure device longevity and efficient operation. A single PMIC may control multiple devices, perform multiple tasks, and interface with multiple subsystems.

Within the realm of PMICs, voltage regulators are useful components which determine the correct operating voltage and current for a device. Linear voltage regulators are popular components due to their simplicity, cost efficiency and high accuracy of regulation.

The ZXTR2005Z-13 is a specific component, part of the ZXTR series of linear voltage regulators. It is a low-dropout (LDO) regulator, a type of linear regulator which includes a low voltage drop from input to output.

The ZXTR2005Z-13 supports input voltages of 2.5V to 5.5V and provides a 125mA typically output current, with a maximum of 200mA. In addition, it supports adjustable output voltage from 1.2V to 5V and the operating temperature range from -40 ℃ to +85 ℃.

The output voltage accuracy is 1% and line regulation is 0.1%. Its current limit accuracy is 0.7%. In addition, its dropout voltage is typically 180mV at 125mA and 300mV at 200mA.

The ZXTR2005Z-13 is available in the 8-pin, 2x3mm DFN package which provides the most space saving and cost-effective solution. As a result, the device is ideal for use in highly integrated, space-critical consumer, industrial, and automotive applications where power management is critical.

Within the device, there is an internal p-channel pass device which automatically disconnects the output from the input in case of an over-current condition. This ensures reliable operation for applications in cars and consumer products.

The ZXTR2005Z-13 working principle is to compare the voltage at the output and at the control terminal, and then optimize to balance and adjust the voltage via an internal error amplifier. Via the pass device, transferred power is regulated such that the output voltage is maintained near the nominal value. If voltage at the input exceed the rated value, then the output voltage will remain at the rated value and constant, even when the current through the regulator increases. This is implemented via the current-limiting circuitry of the device.

In addition, ZXTR2005Z-13 provides a power good output signal via an internal resistor. This signal is an indication for any over-voltage, over-current and thermal condition. When any of these conditions is detected, the signal will change state from high to low.

In short, the ZXTR2005Z-13 is a linear voltage regulator which serves a range of applications, and is popular due to its low-dropout design, compact package and accurate voltage regulation. It is perfect for automotive, industrial and consumer applications where space is at a premium.

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