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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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L9961 데이터시트(PDF) 12 Page - STMicroelectronics |
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L9961 데이터시트(HTML) 12 Page - STMicroelectronics |
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12 / 63 page  Symbol Parameter Test conditions Min. Typ. Max. Unit IVB_NORM_DELTA_CONV Additional current consumption from VB when Voltage ADC is continuously converting 135 190 μA dcADC_CONV Percentage time for which IVB_NORM_DELTA_CONV is active (see (1)) 3 80 % IVB_NORM_DELTA_BAL Additional current consumption from VB pin due to 1 Balance ON Normal condition, additional contribution for 1 Balance ON 8 12 μA IVB_NORM_DELTA_FET_HS (see(2) Additional current consumption from VB pin due to 1 Ext FET HS ON Normal condition, additional contribution for 1 Ext FET ON. HS configuration No ext R mounted 9 20 μA IVB_NORM_DELTA_FET_LS Additional current consumption from VB pin due to 1 Ext FET LS ON Normal condition, additional contribution for 1 Ext FET ON. LS configuration No ext R mounted 15 20 μA IVB_DELTA Current consumption from VB pin when voltage ADC is converting Application info 350 420 μA Current ADC is converting Ext. FETs enabled TMEAS_CYCLE = 10 ms VVB_TRAN_NORM Max allowed transient slope on VB pin Application info 1 V/μs 1. The current consumption linked to voltage conversion can be calculated as (IVB_NORM_DELTA_CONV * Duty_cycle_voltage_conversion)/100 2. In HS case an additional current contribution must be added to include the effect of charge pump switching activity at increased frequency. This contribution is impacted by the ext parasistic capacitances between each CP pin and GND in the range of 3 uA/pF) 3.2 Wakeup sources (NSHIP/WAKEUP) L9961 can be woken up via two dedicated pins: • NSHIP can be used as wakeup from SHIPMENT - DEEP SLEEP • WAKEUP can be used as wakeup from STANDBY. 3.2.1 Electrical parameters All parameters are tested and guaranteed in the following conditions, unless otherwise noted: VB according operating range of Table 4; TJ according operating range of Table 7. Table 7. VREG electrical parameters Symbol Parameter Test conditions Min. Typ. Max. Unit VWAKEUP_TH WAKEUP wakeup threshold 0.8 1.8 V VNSHIP_TH NSHIP wakeup threshold 1 3 V TWAKEUP_FIL WAKEUP filter time 40 μs TNSHIP_FIL NSHIP filter time 20 μs RWAKEUP_PD WAKEUP pulldown resistor 60 100 150 kΩ TMCU2STBY Maximum delay from sending GO2STBY command to MCU in low power mode Application info 1 ms L9961 Wakeup sources (NSHIP/WAKEUP) DS14012 - Rev 1 page 12/63 |
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