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MPC18730EPR2 датащи(PDF) 2 Page - Freescale Semiconductor, Inc |
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MPC18730EPR2 датащи(HTML) 2 Page - Freescale Semiconductor, Inc |
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2 / 35 page ![]() Analog Integrated Circuit Device Data 2 Freescale Semiconductor 18730 INTERNAL BLOCK DIAGRAM INTERNAL BLOCK DIAGRAM Figure 2. MPC18730 Simplified Internal Block Diagram VGATE_EXT VREF EAIN1 EAOUT1 DMAX1 PGND1 VIN1 VOUT1 SW2 V_STDBY LVB HVB EAOUT2 EAIN2 DMAX2 PGOOD2_DELAY PGND2 VIN2 VOUT2 VO2_SENSE_IN DATA STRB VGATE SREGO1 SREGC1 SREGC2 SREGC3 GNDGATE SREGI1 WATCHDOG GND SEQ_SELECT CH_PUMP SREGO2 SREGO3 SREGI3 CLEAR VO1_SENSE BANDGAP VO1_SENSE VO1_SENSE VBATT VGATE POWER SWITCH1 LVB PGOOD1(Int) PGOOD1(Int) PGOOD1(Int) Driver REFERENCE VO1_SENSE Step-UpDown DC/DC VMODE PGOOD1(Int) VREF POWER SWITCH2 REF2 PGOOD2(Int) VGATE Step-UpDown DC/DC PGOOD2(Int) CONTROL VO1_SENSE VBATT Series Pass VGATE VGATE VBATT VREF Regulator1 Series Pass VGATE VBATT REF3 REF4 REF5 SEQ_SELECT EXT_CLOCK REF1 REF2 REF3 REF4 REF5 REF DAC VMODE Series Pass VGATE Regulator3 Regulator2 CPoff VGATE_DUTY VG_SELECT VGATE HG LG SREGI2 SWGATE On EXT gate On EXT_CLOCK CLEAR SCKIN WAKE1B WAKE2B WAKE3B WAKE4B RESET1_TH PGOOD1 LSWO SLEEP PGOOD1_DELAY Buffer SREG2G Control Logic Step-Up DC/DC Convertor Converter RESET Block 2 VO1_SENSE RESET Block 1 PGOOD2 PGOOD1(Int) CH1 Converter CH2 V_STDBY (Int) VGATE PGOOD2 SREGC1 VGATESEL1 VGATESEL2 VBATT VO2_SENSE VO1_SENSE SW1 VGATE VO1_SENSE REF1 |
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