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ACT8342QKP2D-T Datasheet(PDF) 10 Page - Active-Semi, Inc |
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ACT8342QKP2D-T Datasheet(HTML) 10 Page - Active-Semi, Inc |
10 / 17 page ACT8342 Rev 3, 11-Sep-09 STEP-DOWN DC/DC CONVERTER Innovative PowerTM - 10 - www.active-semi.com Copyright © 2008 Active-Semi, Inc. ActivePMUTM is a trademark of Active-Semi. TYPICAL PERFORMANCE CHARACTERISTICS (ACT8342QKCQI, VVP1 = 3.6V, L = 3.3µH, CVP1 = 2.2μF, COUT1 = 10μF, TA = 25°C, unless otherwise specified.) REG1 Transient Peak Inductor Current 650 VP1 Voltage (V) 5.5 3.5 4.0 4.5 5.0 630 610 590 570 3.0 550 REG1 MOSFET Resistance VP1 Voltage (V) 600 0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 500 400 300 200 100 REG1 Load Regulation 0.2 0 400 Output Current (mA) 50 100 150 200 250 300 350 0.0 -0.2 -0.4 -0.6 -0.8 PMOS NMOS 3.6V 4.2V -1.0 REG1 Efficiency vs. Load Current 50 1000 Output Current (mA) 95 80 70 60 1 10 100 VOUT1 = 1.2V VIN = 4.2V 85 75 65 55 90 VIN = 3.6V OUT1 Regulation Voltage 0.67 -0.67 Temperature (°C) -20 -40 0 20 40 60 0.44 0.22 0.00 -0.22 -0.44 IOUT1 = 35mA 85 -0.11 -0.33 -0.56 0.11 0.33 0.56 |
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