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Synchronous Switching Controller Can Deliver Up To 20A

When combined with two external FETs, the MIC2182 synchronous buck switching control IC provides output currents up to 20A, making it suitable for telecomm applications. With an all-N-channel synchronous architecture, the device automatically transitions between two operating modes: PWM mode for high currents; and skip mode for lower power levels. This capability allows for a 95% efficiency over a wide range of loads. Other features include a 4.5V to 28V input- voltage range, a 300-kHz switching frequency that's externally synchronizable to 600 kHz, and an operating temperature range of from -40°C to +125°C.


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