ADP2125BCDZ-1.26R7

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PMIC (Power Management Integrated Circuits) Voltage Regulators serve a variety of purposes, ranging from supplying the power for single components to providing the complete power requirement for a whole system. PMICs are used to convert electrical energy from one form to another, such as AC to DC and to convert voltage from one level to another. DC DC switching regulators are one type of PMICs and ADP2125BCDZ-1.26R7 is one of them.

ADP2125BCDZ-1.26R7 is a high-efficiency DC/DC step-down switching regulator which operates over a wide input voltage range and has a very low operating current. It is suitable for applications such as battery-powered systems, power supplies, and smart grid applications. It provides a constant output voltage while regulating and controlling the voltage and current levels. With the adjustable output voltage and current, the ADP2125BCDZ-1.26R7 can provide high-efficiency, low-ripple and low-noise operation.

The working principle behind the ADP2125BCDZ-1.26R7 is a closed loop control, which uses feedback from the output to regulate the output voltage. The PWM (pulse width modulation) signal controls the current in the inductor which is then converted to the regulated output voltage by the output capacitor. The PWM signal is generated by the control circuit and is dependent on the input and output voltage. The loop control circuit checks the output voltage and compares it to the reference voltage. If the output voltage is lower than the reference voltage, the PWM signal is adjusted to increase the current in the inductor and hence result in higher output voltage. Likewise, if the output voltage is higher, the PWM signal is adjusted to decrease the current in the inductor, resulting in lower output voltage.

The ADP2125BCDZ-1.26R7 has a wide operating temperature range of -40°C to +125°C and also a high-efficiency level of up to 96%, which further reduces power supply losses and provides safe and reliable operation. The device also features an interrupt pin for non-overload or over-temperature, under-voltage and over-voltage monitoring, programmable soft start function and frequency foldback for heavy-load cases, which makes it suitable for battery-powered and power supply applications.

The ADP2125BCDZ-1.26R7 is ideal for applications where efficient and reliable power regulation is critical. It is suitable for many types of power supplies, such as automotive, battery-operated devices or industrial machines, and it is designed to operate over a wide voltage range, making it a good choice for applications in which flexibility is important. Its high efficiency ensures low power supply losses and the overload, under-voltage and over-voltage monitoring features combined with the programmable soft-start function make it a reliable choice for any power regulation needs.

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