DC2447A

DC2447A demonstration circuit is a high voltage, high-efficiency synchronous inverting converter featuring the LTC®3896. This demo board has a wide input voltage range from 7V to 72V and produces a -12V output voltage. The DC2447A is capable of delivering up to 5A of output current. Note that the thermal stress increases at lower input voltages due to increased input current. This demo board supports four operation modes consisting of fixed-frequency modulation, pulse skipping, Burst Mode® Operation (default mode) and adjustable Burst Mode operation. During a light load condition, fixed-frequency mode reduces output voltage ripple and yields the lowest noise spectrum. Burst mode operation employs a variable frequency algorithm that minimizes the no-load quiescent current and improves light load efficiency.

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