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CAT661

Part Number	CAT661
Manufacturer	Catalyst Semiconductor
Description	High Frequency 100mA CMOS Charge Pump / Inverter/Doubler
Published	Aug 16, 2009
Detailed Description	www.DataSheet4U.com CAT661 High Frequency 100mA CMOS Charge Pump, Inverter/Doubler FEATURES s Converts V+ to V- or V+ t...
Datasheet	CAT661 PDF File

Overview

www.
DataSheet4U.
com CAT661 High Frequency 100mA CMOS Charge Pump, Inverter/Doubler FEATURES s Converts V+ to V- or V+ to 2V+ s Low output resistance, 10Ω max.
s High power efficiency s Selectable charge pump frequency of 25kHz H GEN FR ALO EE LE A D F R E ETM s Pin-compatible to MAX660, LTC660 with higher frequency operation s Available in 8-pin SOIC andDIP packages s Lead-free, halogen-free package option or 135kHz; optimize capacitor size.
s Low quiescent current APPLICATIONS s Negative voltage generator s Voltage doubler s Voltage splitter s Low EMI power source s GaAs FET biasing s Lithium battery power supply s Instrumentation s LCD contrast bias s Cellular phones, pagers DESCRIPTION The CAT661 is a charge-pump voltage converter.
It can invert a positive input voltage to a negative output.
Only two external capacitors are needed.
With a guaranteed 100mA output current capability, the CAT661 can replace a switching regulator and its inductor.
Lower EMI is achieved due to...

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