Features: `1A Output Current for MAX1742 2.5A Output Current for MAX1842`Up to 1MHz Switching Frequency`Up to 95% Efficiency`Synchronous Rectification for Improved Efficiency`No External Schottky Diode Required`Output Voltage +1.1V, +1.5V, +1.8V, or +2.5V Selectable +1.1V to VIN Adjustable`+3V to ...
MAX1842: Features: `1A Output Current for MAX1742 2.5A Output Current for MAX1842`Up to 1MHz Switching Frequency`Up to 95% Efficiency`Synchronous Rectification for Improved Efficiency`No External Schottky Di...
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The MAX1742 and MAX1842 evaluation kits (EV kits) provide a +1.8V adjustable output voltage from a +3V to +5.5V input source. The MAX1742 delivers up to 1A of output current, and the MAX1842 delivers up to 2.5A of output current.
The MAX1742/MAX1842 are step-down switching regulators with internal synchronous-rectifiers that operate up to 1MHz, which minimizes external components. The devices feature resistor-programmable, fixed off-time current-mode operation for superior load- and line-transient response, and achieve efficiencies up to 95%.
The MAX1742/MAX1842 EV kits can also be used to evaluate other output voltages by adding feedback resistors R1 and R2 or by using the jumper-selectable +1.1V, +1.5V, +1.8V, or +2.5V settings.