ADP1111ANZ-5

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ADP1111ANZ-5 is a DC DC switching regulator with a high-performance manufacturer of integrated circuits from Analog Devices Inc. This device is capable of driving up to 2A output current from high-voltage sources such as 12V, 15V or 24V. It is used for various applications including automotive, medical and industrial applications.

Applications

ADP1111ANZ-5 is used for various applications such as USB port chargers, automotive electronics, computing products and powering LED lighting. It is well-suited for use in industrial and medical applications. It can be used to provide 12V regulated power from a single cell lithium-ion battery. It can also be used to convert a 12V or 24V input to an adjustable 3.3V, 5V or 12V output. It also provides enhanced transient response, reduced external component count, wide input voltage range, ultra low quiescent current, low EMI/EMC profile and monitoring features; hence, making it suitable for many power system applications.

Working Principle

ADP1111ANZ-5 operates as a switched-mode power supply (SMPS). It consists of a buck converter, low-side N-channel power MOSFET which is used to switch the input power to the output. The buck converter consists of a control circuit, an inductor and a pair of switching MOSFETs. The control circuit controls the output voltage by sensing the output voltage, the input voltage and setting the switching frequency. It also provides current limit protection and other protection functions. The inductor stores the energy that is released when the MOSFET is switched off and then filtered by an output capacitor to provide the final regulated output voltage. The MOSFETs also provide EMI/EMC suppression. The device also has programmable features such as sleep mode, input voltage range selection and enable pin.

Conclusion

ADP1111ANZ-5 is a high-performance DC DC switching regulator from Analog Devices Inc. It is suitable for various applications such as USB port chargers, automotive electronics, computing products and powering LED lighting, and also for industrial and medical applications. It operates as a switched-mode power supply with a buck converter, low-side N-channel power MOSFET for switching the input power to the output, and with programmable features such as sleep mode, input voltage range selection and enable pin. With its wide input voltage range, ultra low quiescent current and low EMI/EMC profile, it is an ideal solution for many power system applications.

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