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SC1112STRT Datasheet(PDF) 5 Page - Semtech Corporation |
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SC1112STRT Datasheet(HTML) 5 Page - Semtech Corporation |
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5 / 23 page  5 2006 Semtech Corp. www.semtech.com POWER MANAGEMENT SC1112 PWRGD DELAY=1.5V DELAY VTT SHORT-CIRCUIT DURING NORMAL OPERATION Once VTT drops out of regulation, VTTGATE turns on harder to try and raise VTT. When VTT drops below 1.08V, the delay capacitor is discharged and PWRGD goes low. When VTT drops below 0.7V, the delay capacitor begins charging. If VTT is still below 0.7V when DELAY reaches 1.5V, VTTGATE is latched off. VTTIN VTT=0.7V VTT=1.08V VTTGATE VTT=0.7V PWRGD VTT=1.08V DELAY SHORT-CIRCUIT AND RECOVERY DURING NORMAL OPERATION VTT Once VTT drops out of regulation, VTTGATE turns on harder to try and raise VTT. When VTT drops below 1.08V, the delay capacitor is discharged and PWRGD goes low. When VTT drops below 0.7V, the delay capacitor begins charging. If VTT recovers above 0.7V before DELAY reaches 1.5V, DELAY is again discharged. If VTT reaches 1.08V the delay capacitor begins charging and normal operation continues. VTTIN VTT=1.08V VTTGATE DELAY=1.5V Timing Diagrams (Cont.) |
Similar Part No. - SC1112STRT |
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Similar Description - SC1112STRT |
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