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AIC1633CS Datasheet(PDF) 8 Page - Analog Intergrations Corporation |
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AIC1633CS Datasheet(HTML) 8 Page - Analog Intergrations Corporation |
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8 / 10 page ![]() AIC1633 8 APPLICATION EXAMPLES (CONTINUED) 470 Ω R1 22 µF C2 10 µF C1 100 µH L1 +VIN +VOUT + + LOAD (+3V) 1N5819 D1 AIC1633-3 CGND SGND SW ILIM/SD VOUT LBO VIN LBI 0 5 10 15 20 25 30 35 60 65 70 75 80 85 Load Current (mA) VIN=1.6V VIN=1.4V VIN=1.2V VIN=0.8V VIN=1.0V Start-Up V IN Voltage = 1.4V Fig. 3 1-Cell Input 3V Output Step-Up Converter 15K 2SB1424 Q1 10K RILIM 20K R4 3.3K R2 (+5V) +VOUT 1N5819 D1 +VIN LOAD 470 Ω 150 µH L1 C2 10 µF R3 62K 10 µF C4 + C1 22 µF + + R5 AIC1633-5 CGND SGND SW ILIM/SD VOUT LBO VIN LBI R1 Load Current (mA) 0 20 40 60 80 100 120 140 70 75 80 85 90 160 180 200 220 240 VIN=5V VIN=4.5V VIN=3.5V VIN=4V VIN=6V VIN=7V VIN=3V Fig. 4 4-Cell Input Step-Up/ Step-Down Converter 2SB1424 Q1 24K R5 (+3V) +VOUT 1N5819 D1 +VIN LOAD 1K R1 10 µF C1 1K R2 82 µH L1 33K R4 22 µF C3 + 10 µF C2 + AIC1633-3 CGND SGND SW ILIM/SD VOUT LBO VIN LBI 1K R3 + + VOUT Ripple May Be Large at VIN=3V Condition 0 20 40 60 80 100 120 140 160 180 200 220 75 80 85 90 95 100 Load Current (mA) VIN=5V VIN=4V VIN=6V VIN=7V VIN=3V Fig. 5 3-Cell Input 3V Output Step-Down Converter |
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