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FULL DATA SHEET (PDF, 300kB) Download   E-Mail 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.

An evaluation kit is available:  MAX8569EVKIT  

Key Features		Applications/Uses
Over 200mA Available Output Current 1.5V to 5.5V Input Voltage Range BATT Connected to OUT in Shutdown for Backup Power Up to 95% Efficiency 7µA Typical Quiescent Current <1µA Shutdown Supply Current Internal Synchronous Rectifier 750mA Switch Current Limit RST-bar Output (MAX8569B) Adjustable Output Voltage (MAX8569A) Fixed 3.0V or 3.3V Output Voltage (MAX8569B)		Battery Backup Cordless Phones Digital Cameras Local 3.3V to 5V Supplies Medical Diagnostic Equipment PC Cards PDAs and Smartphones

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