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19-4092; Rev 0; 5/08
EVALUATION KIT AVAILABLE
1A, 97% Efficiency, 30µA Quiescent Current Step-Up Converter with True Shutdown
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General Description
Features
♦ Up to 97% Efficiency with Internal Synchronous Rectifier ♦ Low 30µA Quiescent Current ♦ Guaranteed 500mA Output Current at VOUT = 5V from 1.8V Input ♦ Guaranteed 1A Output Current at 5V from 2.5V Input ♦ Low-Noise Constant Frequency Operation (FPWM Mode) ♦ 2MHz PWM Switching Frequency ♦ Preset (5V) or Adjustable Output ♦ Controlled Current in Soft-Start Limits Inrush Current ♦ ♦ ♦ ♦ True Shutdown Internal Compensation Overload/Short-Circuit Protection 0.