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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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L9800 데이터시트(PDF) 23 Page - STMicroelectronics |
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L9800 데이터시트(HTML) 23 Page - STMicroelectronics |
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23 / 55 page  Figure 16. Scenario 3 power-down tIDLE2SLEEP VBATT VDDIO IDLE POR t V V3V3 V1V2 Scenario 3: idle to sleep transition with VDDIO and VBATT in their operative range (at least one of them). IDLE is set to low, V3V3 supply reference and vbg drop, and POR is set to zero by tIDLE2SLEEP of about 10 μs. IN0 = IN1 = 0 V. Figure 17. Scenario 4 power-down tLH2SLEEP/tACTIVE2SLEEP IN0 POR V OUT2D VBATT VDDIO t V3V3 V1V2 Scenario 4: limp to sleep transition (IDLE=0) and active to sleep transition (IDLE = 1 → 0) with VDDIO and VBATT in their operative range (at least one of them). IN0 is set to low, V3V3 supply reference and vbg , POR goes down to zero and the corresponding channel is switched off within 150 μs, IN1 can be already 0 or can follow IN0 behavior. L9800 Power supply DS14041 - Rev 2 page 23/55 |
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