DC2665B-B

Demonstration circuit 2665B-B features the LTM4638 μModule® regulator, a high performance, high efficiency step-down regulator. The LTM4638 is a complete DC/DC point-of-load regulator in a thermally enhanced 6.25mm × 6.25mm × 5.02mm BGA package. The LTM4638 has an operating input voltage range of 3.1V to 20V and provides an output current up to 15A. The output voltage is programmable from 0.6V to 5.5V and can be remotely sensed. The stacked inductor design improves thermal dissipation and significantly reduces the packaging area. Output voltage tracking is available through the TRACK/ SS pin for supply rail sequencing. External clock synchronization is available through the SYNC/MODE pin. For high efficiency at low load currents, select discontinuous current mode (DCM) operation using the MODE jumper (JP7) in less noise sensitive applications.

• Default operating frequency of 600KHz
• Efficiency of 85.3%

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