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L7292 Datasheet(PDF) 47 Page - STMicroelectronics |
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L7292 Datasheet(HTML) 47 Page - STMicroelectronics |
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47 / 60 page  DocID028601 Rev 1 47/60 L7292 Buck regulator description 60 11.14 Fault summary Figure 17. Operative mode Table 25. Protections Protection A (POR low) start-up B ( POR high) steady state C (POR low) power-down Overcurrent Enabled for regulators with VOUT in target. When an overcurrent event occurs the regulator is forced in tristate for 1 s, then it continues regulating. The regulator is forced in tristate for 1 s, then it continues regulating. The regulator is forced in tristate for 1 s, then it continues regulating. Undervoltage Enabled with UVth = 85% of VOUT. When a fault occurs a soft-start is performed again. Disabled Disabled Short-circuit Disabled Switch-off of failed reg. for overcurrent + Vout < 0.5 V. Switch-off of failed reg. for overcurrent + Vout < 0.5 V. |
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