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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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FS6407 датащи(PDF) 41 Page - NXP Semiconductors |
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FS6407 датащи(HTML) 41 Page - NXP Semiconductors |
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41 / 111 page  NXP Semiconductors 41 FS6407/FS6408 6.6 Input voltage range Due to the flexibility of the pre-regulator, the device can cover a wide battery input voltage range. However, a more standard voltage range can still be covered using only the Buck configuration. Figure 22. Input voltage range • Thermal dissipation must be checked based on application use case to maintain junction temperature (TJ) <150 °C • Buck only, VSUP < VSUP_UV_7: CAN communication is guaranteed for VSUP > 6.0 V. For VCCA and VAUX 5.0 V configuration, undervoltage triggers at low VSUP (refer to VCCA_UV_5 and VAUX_UV_5). 6.7 Power management operation A thermal sensor is implemented as close as possible to the pass transistor of each regulator (VPRE, VCORE, VCCA, VCAN) and an associated individual thermal shutdown (TSD) protect these regulators independently. When the TSD threshold of a specific regulator is reached, this regulator only is switched OFF and the information is reported in the main state machine. The regulator restarts automatically when the junction temperature of the pass transistor decrease below the TSD threshold. VSUP No operation Extended voltage range VPRE output current limitation 2.7 V VSUP_UV_7 36 V 40 V Normal voltage range Extended voltage range Potential VPRE thermal limitation No operation Risk of damage No operation Normal voltage range Extended voltage range VPRE output current limitation Extended voltage range Potential VPRE thermal limitation No operation Risk of damage Buck-Boost Buck only 4.6 V 6.0 V |
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