MAX1836 & MAX1837 Step-Down Converters
Analog Devices MAX1836 and MAX1837 Step-Down Converters are high-efficiency step-down converters that provide a preset output voltage of 3.3V or 5V from supply voltages as high as 24V. By using external feedback resistors, the output voltage can be adjusted from 1.25V to VIN. An internal current-limited switching MOSFET delivers load currents up to 125mA (MAX1836) or 250mA (MAX1837). The unique current-limited control scheme, operating with duty cycles up to 100%, minimizes the dropout voltage (120mV at 100mA). Additionally, this control scheme reduces supply current under light loads to 12µA. High switching frequencies allow the use of tiny surface-mount inductors and output capacitors.
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