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ISL91110IIAZ-T7A Datasheet(PDF) 6 Page - Intersil Corporation |
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ISL91110IIAZ-T7A Datasheet(HTML) 6 Page - Intersil Corporation |
6 / 12 page ISL91110 6 FN8434.4 February 5, 2016 Submit Document Feedback Typical Performance Curves Unless otherwise noted, operating conditions are: T A = +25°C, VIN = EN = 3.6V, L = 1µH, C1 = 2x10µF, C2 = 2x22µF, VOUT = 3.3V, IOUT = 0A to 3A FIGURE 4. EFFICIENCY vs INPUT VOLTAGE FIGURE 5. OUTPUT VOLTAGE vs LOAD CURRENT FIGURE 6. QUIESCENT CURRENT vs INPUT VOLTAGE (VOUT = 3.3V, MODE = HIGH) FIGURE 7. SWITCHING FREQUENCY vs INPUT VOLTAGE FIGURE 8. STEADY-STATE OPERATION IN PFM (VIN = 4V, VOUT =3.3V, NO LOAD) FIGURE 9. STEADY-STATE OPERATION IN PWM (VIN = 3.3V, VOUT =3.3V, NO LOAD) 80 82 84 86 88 90 92 94 96 98 100 2 345 VIN (V) LOAD = 10mA LOAD = 1000mA LOAD = 500mA LOAD = 100mA 3.26 3.27 3.28 3.29 3.30 3.31 3.32 1 10 100 1000 LOAD CURRENT (mA) VIN = 3.0V VIN = 3.6V VIN = 2.5V VIN = 4.0V VIN = 4.5V TA = -40°C TA = +25°C TA = +85°C 0 10 20 30 40 50 60 70 80 1.5 2.5 3.5 4.5 5.5 VIN (V) 2.25 2.30 2.35 2.40 2.45 2.50 2.55 1.5 2.5 3.5 4.5 5.5 VIN (V) LX1 (2V/DIV) LX2 (2V/DIV) VOUT (AC, 50mV/DIV) IL (500mA/DIV) 400ns/DIV 400ns/DIV LX1 (2V/DIV) LX2 (2V/DIV) VOUT (AC, 10mV/DIV) IL (200mA/DIV) |
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