DC2411A

DC2411A demonstration circuit is a high efficiency synchronous buck regulator with a 3.1V to 20V input range. It can supply 20A maximum load current at 1.2V output. The demo board features the LTC®7150S regulator. No external MOSFETs nor external current sense resistor are required. It uses a phase-lockable controlled on-time constant-frequency, current mode architecture, ideal for high step-down ratio applications. The operating frequency is programmable from 400KHz to 3MHz with an external resistor (R5). The LTC7150S is housed in a 6mm × 5mm × 1.3mm 42-Lead BGA package. The light load operation mode of the converter is determined with the Mode/Sync pin. Use the JP3 jumper to select discontinuous mode (DCM), forced continuous mode (CCM), or to synchronize to an external clock.

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