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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MPC18730EPR2 датащи(PDF) 20 Page - Freescale Semiconductor, Inc |
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MPC18730EPR2 датащи(HTML) 20 Page - Freescale Semiconductor, Inc |
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20 / 35 page  Analog Integrated Circuit Device Data 20 Freescale Semiconductor 18730 FUNCTIONAL DEVICE OPERATION OPERATIONAL MODES POWER SUPPLY VO1_SENSE, VO2_SENSE: LI-ION The VBATT voltage falls and is output to VO1_SENSE. When using Li_ion, duty limit due to DMAX1 is not applied to the switch. When PGOOD2(int) is High, the power switch turns ON to output the VO1_SENSE voltage to VOUT1. Capacitance value which is connected to VO1_SENSE should be higher than the capacitor connected to VOUT1. The VBATT voltage falls using only the internal transistor and is output to VO2_SENSE. When using Li_ion, duty limit due to DMAX2 is not applied to the switch, and HG and LG are Low. When PGOOD2(int) is High, the power switch turns ON to output the VO2_SENSE_IN voltage to VOUT2. If you turn DDC2 OFF using the register, the power switch 2 also turns OFF. Capacitance value which is connected to VO2_SENSE_IN should be higher than the capacitor connected to VOUT2. SERIES PASS POWER SUPPLY The series pass outputs the SREGI1 voltage to SREGO1, the SREGI2 voltage to SREGO2, and the SREGI3 voltage to SREGO3. If you use MOSFET as the external component in this case, connect the gate to SREG2G. Table 11. Output Voltage of VO2_SENSE Address: 0100(33) B7 B6 B5 B4 B3 B2 B1 S_Off_VO2_SENSE VO2_SENSE [V] L L L L L L L X 0.805 L L L L L L H X 0.811 L L L L L H L X 0.816 L L L L H L L X 0.827 L L L H L L L X 0.849 L L H L L L L X 0.893 L H L L L L L X 0.980 H L L L L L L X 1.155 H L L L L L H X 1.161 H L L L L H L X 1.166 H L L L H L L X 1.177 H L L H L L L X 1.199 H L H L L L L X 1.243 H H L L L L L X 1.330 H H H H H H H X 1.500 Notes 30. All combinations of input are not included Table 12. Output Voltage of SREG1 Address: 0101(31) B7 B6 B5 B4 B3 B2 B1 Reserved SREG1 [V](33) L L L L L L L H 0.865 L L L L L L H H 0.880 L L L L L H L H 0.895 L L L L H L L H 0.926 L L L H L L L H 0.986 L L H L L L L H 1.107 |
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