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VNF1048F Scheda tecnica(PDF) 40 Page - STMicroelectronics |
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VNF1048F Scheda tecnica(HTML) 40 Page - STMicroelectronics |
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40 / 52 page ![]() 7 Operating modes 7.1 State Diagram Figure 15. State diagram 7.2 PowerON mode The PowerON mode is the device reset state at VS power on, due to device Start-up or Power-on Reset conditions. At PowerON, the registers are loaded with the default values and the RSTB is set to 1. External FET, BYPASS switch and Charge Pump are in OFF state. 7.3 Stand-by mode In Stand-by mode, the device is in quiescent power consumption and operates under the following conditions: • High current path through External FETs is off • Protections for the external FETs are disabled • All diagnostics are disabled, but BYPASS switch saturation is monitored, if BYPASS switch is in ON state during Stand-by mode, in order to detect potential de-saturation • Low-Current Bypass can be ON or OFF according to ‘BYPASSCTL’ bit • Device is self-protected • Charge Pump is OFF The Standby mode characteristics are: VNF1048F Operating modes DS13084 - Rev 6 page 40/52 |
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