LTM4609EV#PBF Power Supplies - Board Mount

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DC DC Converters

The LTM4609EV#PBF is a DC-DC converter module designed by Linear Technology Co. It belongs to the Buck family of converters and is designed primarily as a simple and efficient way to step-down voltage. The module is available in a package measuring just 15.24 × 6.71mm with a maximum output current of 4.2A. It has an input voltage operating range from 4.7V to 14V and an output voltage range of 0.8V to 5.5V. The LTM4609EV#PBF also features a low quiescent current of 40єA with very low minimum on-time of 140ns.

The LTM4609EV#PBF works by taking in a higher voltage than its output voltage and converting it to the desired output voltage on its output pin. This is achieved by utilizing a power switch in combination with a switch-mode control circuit and an inductor, which is used to store energy in the form of a magnetic field during operation. The power switch is switched on and off rapidly by the control circuit and this switching action, combined with the inductor, helps transform the higher input voltage to the lower output voltage.

The advantages of the LTM4609EV#PBF over traditional step-down converters include its superior efficiency, which can be up to 96%, and its small form factor. The large input voltage range allows for greater flexibility in its application field. It is also very rugged, with its internal circuitry protected from overtemperature conditions by a thermal-shutdown feature. And last but not least, it has a built-in output current limit of 4.2A.

The application field for the LTM4609EV#PBF covers a wide variety, such as portable equipment battery powered electronics, factory automation, medical equipment, consumer electronics, automotive electronics, embedded applications, computer peripherals, and industrial test and instrumentation equipment.

In conclusion, the LTM4609EV#PBF is an efficient and compact DC-DC converter module designed for use in a variety of applications. Its internal circuitry is protected from overtemperature conditions, and its small form factor makes it easy to install. Its low quiescent current and high efficiency make it ideal for use in battery powered applications, and its wide input voltage range allows for greater flexibility in its application field.

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