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SC250 Datasheet(PDF) 12 Page - Semtech Corporation |
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SC250 Datasheet(HTML) 12 Page - Semtech Corporation |
12 / 18 page 12 © 2006 Semtech Corp. www.semtech.com SC250 PRELIMINARY POWER MANAGEMENT Typical Characteristics (Cont.) 0.0 1.0 2.0 3.0 4.0 5.0 6.0 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 ` VDAC (V) VIN=5.5V VIN=4.2V VIN=3.6V VIN=3.0V VIN=2.7V Control Transfer Function I OUT = 0.3A 2.5 2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 2.5 2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1 5.3 5.5 VIN(V) VIN Up VIN Down Auto Bypass Function, V OUT = 3.25V 0 0.001 0.002 0.003 0.004 0.005 0.006 2.5 3 3.5 4 4.5 5 5.5 6 VOUT=2.1V VIN (V) VOUT=1.5V VOUT=0.3V Dynamic Supply Current vs. V IN TJ (°C) 0 2 4 6 8 10 12 14 16 -40 -20 0 20 40 60 80 100 120 Shutdown Current vs. Temperature, V IN = 3.6V 2 2.05 2.1 2.15 2.2 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 IOUT (A) Load Regulation, V OUT = 2.1V 1.49 1.495 1.5 1.505 1.51 1.515 1.52 2.53 3.54 4.55 5.56 50mA 150mA 300mA 600mA TA (°C) Line Regulation, V OUT = 1.5V |
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