MAX853ISA+

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MAX853ISA+ is an integrated DC-DC switching regulator for application in industrial, automotive, and other markets with space or thermal restrictions. The board is able to deliver up to 1.5A load current, with a wide input voltage range of 5V to 14V (maximum). It is also capable of providing a regulated output voltage in the range of 3V to 6V in four different selectable settings (1.5V, 2.6V, 3.3V, and 5V) via an internal voltage divider. The output voltage is set to 6V when no voltage input is applied.

The MAX853ISA+ switching converter features an on-chip high-side power MOSFET and overcurrent protection, programmable current limit with maximum load current of 1.5A, high efficiency, an adjustable-frequency drive of 1.2MHz max, overvoltage protection up to 16V, and thermal shutdown protection. It is supplied in a 16-pin TSSOP package and is able to sustain a maximum output of 25W.

The main operating principles of the MAX853ISA+ involves the switching converter modulates the duty cycle of the on-chip power MOSFET. This is done in order to regulate the output voltage when the input voltage is changed. The current limit of the MAX853ISA+ is set internally via an internal voltage divider to provide protection against overloading. Finally, the switching frequency is adjusted by the device\'s internal PWM controller.

MAX853ISA+ finds its applications in automotive, industrial, military, and aerospace applications. It is mainly used in inertial navigation systems and satellite systems, where high load current and low-temperature operation are required. The MAX853ISA+ is also ideal for use in paging, remote control, and battery-powered equipment.

In summary, the MAX853ISA+ is an integrated DC-DC switching regulator for application in industrial, automotive, and other markets with space or thermal restrictions. It features an on-chip high-side power MOSFET, Programmable current limit, adjustable frequency drive and protection for overvoltage. The MAX853ISA+ is mainly used in inertial navigation systems and satellite systems, where high load current and low-temperature operation are required. It also finds applications in automotive, industrial, military, and aerospace applications.

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