LM3490IM5-15/NOPB

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Power Management Integrated Circuit (PMIC) are a type of electronic component specialized for power management applications. The LM3490IM5-15/NOPB is a PMIC voltage regulator from Texas Instruments, part of the LM3490 family of products. This device is a current mode step-down regulator, often used in industrial and consumer applications.

A voltage regulator regulates the output voltage to a desired level in a power supply circuit. They are designed to produce a constant output even in shifting input conditions. The LM3490IM5-15/NOPB is a current mode step-down regulator, offering up to 95% efficiency with a wide input voltage range of 4.5-75V, and supported output voltages of 3.3V, 5V, 12V and adjustable options.

The LM3490IM5-15/NOPB is a high performance synchronous buck regulator. It uses a switching architecture, with an external inductor and couple of capacitors, to provide a regulated output voltage. Its integrated low on-resistance MOSFETs, plus current mode control with fast loop response, helps keep output voltage ripple low, as well as ensuring stable operation over a wide input voltage range.

The device also features short-circuit protection, thermal shutdown, overload protection, line-transient protection, low quiescent current and current sense to monitor output current. It supports both a fixed frequency of up to 840 kHz, and a Pulse Frequency Modulation (PFM) mode, thanks to its integrated oscillator.

The LM3490IM5-15/NOPB is widely used in industrial, automotive, and consumer applications. Due to its high switching frequencies and high power density, it lends itself to battery-powered equipment, where good efficiency is paramount. It is an ideal choice for portable applications, as well as data-chips, telecommunication systems, mobile devices, and notebook/desktop computers.

In conclusion, the LM3490IM5-15/NOPB is a versatile and high performance voltage regulator for industrial and consumer applications. Its high efficiency and current mode control offer good output voltage ripple, line-transient protection, and fast loop response. These features, along with the integrated oscillator, short-circuit protection, thermal shutdown, overload protection and current sense, make the LM3490IM5-15/NOPB a great choice for most power management applications.

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