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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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L9963T 데이터시트(PDF) 7 Page - STMicroelectronics |
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L9963T 데이터시트(HTML) 7 Page - STMicroelectronics |
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7 / 45 page  2.6 Power mangement All parameters are tested and guaranteed in the following conditions, unless otherwise specified: -40 °C < Tj < 125 °C Table 6. Power management Symbol Parameter Condition Min Typ Max Unit Power Supply VDD VVDD Supply Voltage FullyOperational 4.5 - 5.5 V IVDD(NORMAL_COMM) Supply Current NormalMode, DIS = 0 and continuos communication - 9 14 mA IVDD(NORMAL) Supply Current NormalMode, DIS = 0 5 6.5 8 mA IVDD(SLEEP) Supply Current Sleep Mode, DIS = 1 - - 64 μA Power Supply VIO VVIO Supply Voltage 3.0 - 5.5 V IVIO(NORMAL_COMM) VIO Supply Current NormalMode, DIS = 0 and continuous communication Design info - - 12 mA IVIO(NORMAL) VIO Supply Current NormalMode, DIS = 0 1.5 2.5 3.5 mA IVIO(SLEEP) VIO Supply Current Sleep Mode, DIS = 1 - - 1 μA To optimize power consumption, the device selectively disables unnecessary peripherals according to FSM state and NSLAVE pin value latched at first power up. Table 7. Device configuration according to NSLAVE pin FSM STATE TRIMMING AND CONFIG STAND-BY NORMAL Resource NSLAVE not latched NSLAVE latched but don’t care NSLAVE = 0 (SPI Slave) NSLAVE = 1 (SPI Master) Main Oscillator Monitor Disabled Disabled Enabled V3V3_MAIN Monitor Disabled Disabled Enabled V3V3_STBY Monitor Disabled Disabled Enabled BG STBY Enabled Enabled Enabled BG Main (STBY Monitor) Disabled Disabled Enabled SDO Output Buffer Disabled Disabled Enabled only when NCS is active SCK Output Buffer Disabled Disabled Disabled Enabled SCK Input Buffer Disabled Disabled Enabled SDI Input Buffer Disabled Disabled Enabled NCS Output Buffer Disabled Disabled Disabled Enabled NCS Input Buffer Disabled Disabled Enabled BNE/CPOL Output Buffer Disabled Disabled Enabled Disabled BNE/CPOL Input Buffer Enabled Disabled Enabled Enabled NSLAVE Input Buffer Enabled Disabled Disabled TXEN/CPHA Input Buffer Enabled Disabled Enabled Disabled SPICLKFREQ Input Comparators Enabled Disabled Disabled ISOP TX Disabled Disabled Enabled L9963T Power mangement DS13590 - Rev 4 page 7/45 |
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