IMM0105S05 Power Supplies - Board Mount

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DC/DC converters are used to convert a DC voltage input to a different DC voltage output. They are used in a variety of applications including power supplies, computer boards, medical applications, and consumer electronics. The IMM0105S05 is an example of a DC/DC converter designed to perform in various electrical applications.

IMM0105S05 is a monolithic buck-boost DC/DC converter designed to deliver regulated output voltage with extremely high efficiency. The IC uses an internal high-side N-MOSFET and low-side P-MOSFET devices to regulate the output voltage. It can operate in current mode, voltage mode, or in a combination of both. It also features an ultra-low power sleep mode.

The IMM0105S05 is suitable for applications requiring extremely low quiescent current, such as battery-powered devices, as well as point-of-load and embedded applications. It has an input voltage range of 2.3V to 5.5V and a maximum output voltage of 28V. The output current can be up to 500mA. The device is available in a small QFN package and has excellent thermal and electrical characteristics.

The IMM0105S05 works by rectifying the input energy and then converting it to the desired level. The device features an external current sense MOSFET, which boosts the output voltage beyond the input voltage. The device also has an adjustable soft-start circuit which eliminates current surge when the device is enabled. This ensures that the device doesn’t experience any kind of inrush current when it is turned on.

The device is also equipped with a programmable frequency limit while in voltage mode. This prevents the converter from going into overtone resonance which could result in instability. The device supports two different programming modes, EEPROM and OTP. EEPROM allows for easy programming while OTP provides an even better precision. The device also supports frequency modulation.

The IMM0105S05 is also equipped with an over-temperature protection circuit and an under-voltage lock out circuit. The over-temperature protection circuit ensures that the device does not operate outside its temperature range, and the under-voltage lock out circuit is used to prevent the device from operating at too low of a voltage.

In summary, the IMM0105S05 is an efficient monolithic buck-boost DC/DC converter designed to deliver regulated output voltage with high efficiency. It has an extremely low quiescent current and can be programmed using either EEPROM or OTP. It is suitable for applications requiring a reliable power supply with low current draw and has excellent thermal and electrical characteristics.

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