* o Built-In Synchronous Rectifier o 0.88V Guaranteed Start-Up o Ultra-Small µMAX Package: 1.1mm High o 83% Efficiency o 4µA Quiescent Supply Current into BATT Pin o 2µA Logic-Controlled Shutdown (MAX1642) o Two Undervoltage Detectors (MAX1643) o 2V to 5.2V Output Range o 20mA Output Current at 1.2V I
MAX1643
Maxim
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Step-up dc-dc converters.
19-1183; Rev 0; 6/97 ANUAL N KIT M EET IO T A U EVAL TA SH WS DA FOLLO High-Efficiency, Step-Up DC-DC Converters for 1V Inputs _____________________.
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