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MAX1686

Part Number	MAX1686
Manufacturer	Maxim
Description	Charge Pumps
Published	May 6, 2005
Detailed Description	19-1426; Rev 0; 2/99 NUAL KIT MA ATION EET H S A EVALU T WS DA FOLLO Step-Up DC-DC Converters with Precise, Adaptive C...
Datasheet	MAX1686 PDF File

Overview

19-1426; Rev 0; 2/99 NUAL KIT MA ATION EET H S A EVALU T WS DA FOLLO Step-Up DC-DC Converters with Precise, Adaptive Current Limit for GSM General Description Features o Low 450mA Peak Battery Current Provides 2A, 5V GSM Burst o 90% Efficiency o Internal Power MOSFETs and Current-Sense Resistor o Output Disconnects from Input During Shutdown o 3µA Shutdown Current o Precise Voltage-Controlled Current Limit (MAX1687) o Adaptive Constant-Recharge-Time Capability (MAX1688) o 1.
25V to 6V Adjustable Output o 2.
7V to 6V Input Range (1 Li-Ion cell or 3 NiMH cells) o Switching Frequency Can Exceed 1MHz o Standby Mode Disables DC-DC During Transmission Burst o Low Inrush Current at Start-Up MAX168...

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