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VNF1048F データシート(PDF) 40 Page - STMicroelectronics

部品番号 VNF1048F
部品情報  High-side switch Controller with intelligent fuse protection for 12 V, 24 V and 48 V automotive applications
PDF  52 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

VNF1048F データシート(HTML) 40 Page - STMicroelectronics

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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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