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When both outputs are paralleled, the LTC3877 maintains less than ±2.5% current mismatch between phases, making it ideal for very high current requirements up to 300A. Its adjustable current limit can be configured for very low sense voltages from 10mV to 150mV to help minimize power loss. DCR temperature compensation limits the maximum output current precisely over the operating temperature range. The LTC3877 has a selectable fixed operating frequency from 250kHz to 1MHz or it can be synchronized to an external clock. Powerful 1.1Ω onboard all N-channel gate drivers minimize MOSFET switching losses. Additional features include adjustable soft-start or tracking, foldback current limit, output overvoltage protection, and two power good output voltage signals. It is available in a 7mm x 7mm QFN-44 package.
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