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Using LM21305 evaluation board

Posted: 23 Dec 2010 ?? ?Print Version ?Bookmark and Share

Keywords:LM21305? load transient response? thermal shutdown?

The LM21305 is an adjustable frequency synchronous buck regulator capable of delivering up to 5A of continuous output current. The device is optimized to work over the input voltage range of 3V to 18V and output voltage range of 0.6V to 5V, making it suitable for wide variety of applications.

The LM21305 provides 1% output voltage accuracy, and line and load transient response for digital loads. The device offers system configuration via programmable switching frequency through an external resistor and ability to synchronize switching frequency. The frequency of this device can be from 300 kHz to 1.5 MHz. The device also provides internal soft-start to limit in-rush current, cycle-by-cycle current limiting, and thermal shutdown.

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