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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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L9918 датащи(PDF) 18 Page - STMicroelectronics |
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L9918 датащи(HTML) 18 Page - STMicroelectronics |
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18 / 109 page  Figure 8. Low voltage function behavior Behaviour in case of under voltage detection: When the battery voltage is lower than POR threshold (VBPOR) and td time is elapsed, the device enters in standby condition showing a low power consumption. The device can sustain micro-interruption in battery line without having a logic reset. Deep Low Voltage range: When B+ falls in deep low voltage range (VBdeepLV) the device isn’t under reset and regulation loop computation is functioning, with possible degradation of parameters. However EXC operation is reduced. Figure 9. Battery voltage range B + Safety Overvoltage or Low Voltage function (EXC OFF) Regular Functioning Low Voltage without parameter degradation (EXC ON) Deep Low Voltage: possible parameter degradation (EXC ON) Undervoltage: device in Power On Reset condition (EXC OFF) VBOV_safety or VBOV LOW Max VBDeepLV VBPOR Min VBDeepLV V The picture reports main voltage operation ranges. L9918 B+ characteristics DS13000 - Rev 2 page 18/109 |
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