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The MAX8569A/MAX8569B low-quiescent-current
boost regulators provide up to 200mA at output voltages
up to 5.5V from a 1.5V to 5.5V input source. The
built-in synchronous rectifier allows for over 90% efficiency
while achieving small size and low cost by eliminating
the need for an external Schottky diode.
The MAX8569A provides an adjustable output while the
MAX8569B is fixed at 3.0V or 3.3V. The MAX8569B features
a power-on reset output (RST-bar) to signal that the
output has reached regulation. All devices connect the
battery input to the output during shutdown, allowing
the input battery to be used as a backup or real-time
clock supply when the converter is off.
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