MIC2568-1BSM TR

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The MIC2568-1BSM integrated circuit from Micrel Semiconductor is a 2.8V to 5.5V general purpose power distribution switch which is suitable for a range of applications in the power management, DC/DC conversion and memory segment market. It is designed to provide an economical and efficient solution to applications requiring multiple power source selection. The IC provides one high-side power distribution switch and two low-side power distribution switches. The MIC2568-1BSM also features over-current protection, short-circuit protection and output short-circuit duration monitoring.

The MIC2568-1BSM is the perfect choice for applications requiring multiple power source selection, such as digital cameras, cellular handsets, PDAs, and laptop computers. The device provides low on-resistance and break-before-make switching for all three switches. This ensures that power cannot be switched between different sources without first disabling all other active circuits. The device also has an adjustable switching threshold based on an external sense resistor. This allows different power distributions to be set up in a system.

The MIC2568-1BSM has three powerful control modes. The first control mode is the active low mode. In this mode the main switch is enabled or disabled depending on the logic value at the EN pin. The second control mode is the active high mode. In this mode the main switch is enabled if the logic value at the EN pin is high and disabled if the logic value is low. The third control mode is the LPM (low power mode). In this mode the main switch is allowed to stay in its current state while the EN pin is set to high.

The MIC2568-1BSM also features an adjustable minimum off-time delay. This ensures that the switch will stay off for a certain period of time before it is allowed to be switched back on. This is an important feature when it comes to preventing short-circuit damage to other components in the circuit. The delay time is adjustable using an external resistor.

In addition to the active and low power control modes, the MIC2568-1BSM also includes a diagnostic feature. This feature will allow the user to determine the current status of the main switch. This feature is implemented by monitoring the voltage at the FB pin. If this voltage exceeds a certain level then the switch will be considered to be open. This level can be set using an external sense resistor.

The MIC2568-1BSM is ideal for applications that require multiple power source selection and also require low on-resistance and break-before-make switching between sources. The device also features adjustable switching threshold based on an external sense resistor and provides adjustable minimum off-time delay making it an excellent choice for power management, DC/DC conversion and memory segment applications. The MIC2568-1BSM can be used to provide an economical and efficient solution to many power source selection problems.

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