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SC1109 Datasheet

Part Number SC1109
Manufacturers Semtech Corporation
Logo Semtech Corporation
Description Synchronous PWM Controller
Datasheet SC1109 DatasheetSC1109 Datasheet (PDF)

SC1109 Synchronous PWM Controller with Dual Low Dropout Regulator Controllers POWER MANAGEMENT Description Features The SC1109 was designed for the latest high speed motherboards. It combines a synchronous voltage mode controller (switching section) with two low-dropout linear regulator controllers. The voltage mode controller provides the power supply for the system AGTL bus. The Dual linear controllers power the chip set and clock circuitry. The SC1109A switching section features lossless c.

  SC1109   SC1109






Part Number SC11096
Manufacturers Sierra Semiconductor
Logo Sierra Semiconductor
Description Facsimile Modem Analog Processor
Datasheet SC1109 DatasheetSC11096 Datasheet (PDF)

F,rJ J r i /tZzr )^-, ... PRSIJ/t4rfVAR_y f,.1r'lz SIMRA SUVIICONDTJCTOR sc11085/SC111e6 FacsimilMe odemAnalogProcessor FEATURES D SCl1085SupportsCCITT Group 3 Facsimile D SCI1196S, upportsCCITT Groups 1,2 6E3 D lnternal Hybrid n Direct Interfae to SC11005, f1r026 MAPs D compatiblewithccITT v.2z Y27ter,Y.8 D lnternal constellation pattern DACs n C-ableompensationselectable o Ring Detector D DynamicRange47dBmto 0dBm C Programmabletransmitlevels to +SdBmtldB o Power onsunption 2'$mW t'?ical.

  SC1109   SC1109







Part Number SC11088
Manufacturers Sierra Semiconductor
Logo Sierra Semiconductor
Description 9600 bps Facsimile Modem DSP
Datasheet SC1109 DatasheetSC11088 Datasheet (PDF)

p i i EL ; f f , r N A R . y + SIffiRA SM{rcONDUCTOR sc-1r0t7sc7l1087/sc11088c/s111e8 9600bp FacsimiMleodemDSPs FEATURES O lowPower . Singlesrpply +51/+ 10% . l30srw (tlpical) operating . 50mw(typical)standby. C FaxModes . Y 29,V27 te V:1 Channd 2 D VoiceMode(SC11087) . 1G12bit linear ..89.b6i,t8F, 7-3[a,w4.8,kspsoptions 0 HDI.C Fhg Detection n DTE Interface . ParallelPCbus rRS232CCC[ [TV24s€rid E Controller Interfae . D,ral port RAI{ . R96MDregisu ompatible CEXERALOEtCRIPTIOII The SC110Z seri.

  SC1109   SC1109







Part Number SC11087
Manufacturers Sierra Semiconductor
Logo Sierra Semiconductor
Description 9600 bps Facsimile Modem DSP
Datasheet SC1109 DatasheetSC11087 Datasheet (PDF)

p i i EL ; f f , r N A R . y + SIffiRA SM{rcONDUCTOR sc-1r0t7sc7l1087/sc11088c/s111e8 9600bp FacsimiMleodemDSPs FEATURES O lowPower . Singlesrpply +51/+ 10% . l30srw (tlpical) operating . 50mw(typical)standby. C FaxModes . Y 29,V27 te V:1 Channd 2 D VoiceMode(SC11087) . 1G12bit linear ..89.b6i,t8F, 7-3[a,w4.8,kspsoptions 0 HDI.C Fhg Detection n DTE Interface . ParallelPCbus rRS232CCC[ [TV24s€rid E Controller Interfae . D,ral port RAI{ . R96MDregisu ompatible CEXERALOEtCRIPTIOII The SC110Z seri.

  SC1109   SC1109







Part Number SC11086
Manufacturers Sierra Semiconductor
Logo Sierra Semiconductor
Description Facsimile Modem Analog Processor
Datasheet SC1109 DatasheetSC11086 Datasheet (PDF)

F,rJ J r i /tZzr )^-, ... PRSIJ/t4rfVAR_y f,.1r'lz SIMRA SUVIICONDTJCTOR sc11085/SC111e6 FacsimilMe odemAnalogProcessor FEATURES D SCl1085SupportsCCITT Group 3 Facsimile D SCI1196S, upportsCCITT Groups 1,2 6E3 D lnternal Hybrid n Direct Interfae to SC11005, f1r026 MAPs D compatiblewithccITT v.2z Y27ter,Y.8 D lnternal constellation pattern DACs n C-ableompensationselectable o Ring Detector D DynamicRange47dBmto 0dBm C Programmabletransmitlevels to +SdBmtldB o Power onsunption 2'$mW t'?ical.

  SC1109   SC1109







Synchronous PWM Controller

SC1109 Synchronous PWM Controller with Dual Low Dropout Regulator Controllers POWER MANAGEMENT Description Features The SC1109 was designed for the latest high speed motherboards. It combines a synchronous voltage mode controller (switching section) with two low-dropout linear regulator controllers. The voltage mode controller provides the power supply for the system AGTL bus. The Dual linear controllers power the chip set and clock circuitry. The SC1109A switching section features lossless current sensing, while SC1109C provides programmable over current limit. SC1109 also utilizes latched driver outputs for enhanced noise immunity. SC1109A and SC1109C operate at a fixed frequency of 200kHz, and the SC1109B is available at a fixed frequency of 500kHz. The VTT output voltage is internally fixed at 1.2V The SC1109 linear sections are low dropout regulators designed to track the 3.3V power supply when it turns on or off. The voltage for the linear controllers LDO1, and LDO2 are 1.8V/1.


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