LM3490IM5-12

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The LM3490IM5-12 is a linear monolithic integrated circuit intended to provide regulated output voltages to devices requiring low-power supply, such as chokes and transformers. It provides a simple, low-cost solution for low power supplies without the need for extra external devices. It is ideal for applications where a regulated supply is essential, such as in professional audio devices, and it is also applicable in other applications, such as motor speed controllers.

The LM3490IM5-12 provides a regulated output voltage of 5.12 VDC and a maximum output current of 150 mA, with a range of operating voltages from 9.0 to 22.0 VDC. The output voltage is adjustable from 0.72 to 5.12 VDC, providing a wide range of operation. It also features a low dropout voltage of 500 mV and a wide temperature range of -40 to +85°C.

The device has a wide operating temperature range and can operate over a wide range of input and output voltages, allowing for flexible implementation. It includes a low-noise P-channel MOSFET regulator and an internal temperature-compensated linear error amplifier. This combination provides excellent output accuracy and high regulation accuracy, even when the input supply voltage varies.

The LM3490IM5-12 also features a wide range of features, such as a high efficiency switching power supply, active current limiting, thermal shut-down protection, soft start, and current limiting protection. This provides additional safety and protection for the device and the system using it. The device also has an integrated switching MOSFET and can be easily adapted to meet the requirements of a variety of low power designs.

The LM3490IM5-12 also has a few advantages over other linear voltage regulators, such as being simpler, smaller and cheaper than switching regulators. It offers fast response times and an adjustable output voltage, providing quick response to current and voltage load changes. It also eliminates the need for external components, making it more cost effective. Finally, the device is able to support a wide range of applications, from low voltages and currents to high power designs.

In summary, the LM3490IM5-12 is a low-cost, highly efficient linear monolithic integrated circuit intended to provide regulated output voltages to devices requiring low-power supply. Its wide range of features, such as high efficiency switching, low dropout voltage and current limiting protection, make it an ideal choice for a variety of low power applications. It is also cost effective and easy to implement, making it a good choice for those requiring a low power solution.

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