Datasheet MP1542 (Monolithic Power Systems) - 4

MP1542 – 700KHz/1.3MHz BOOST CONVERTER WITH A 2A SWITCH TYPICAL PERFORMANCE CHARACTERISTICS Circuit on front page, VIN = 3.3V, VOUT = 8V, unless otherwise noted. Efficiency vs Efficiency vs Efficiency vs Load Current Load Current Load Current
100 95 95 95 90 90 90 85 85 85 (%) (%) 80 (%) 80 80 75 75 75 70 70 70 65 65 65 EFFICIENCY EFFICIENCY EFFICIENCY 60 60 60 V V V IN = 5V IN = 3.3V IN = 3.3V 55 55 55 V V V OUT = 12V OUT = 8V OUT = 12V 50 50 50 1 10 100 1000 1 10 100 1000 1 10 100 1000 LOAD CURRENT (mA) LOAD CURRENT (mA) LOAD CURRENT (mA)
Quiescent Current vs Feedback Voltage vs Frequency (700KHz) vs Temperature Temperature Temperature
690 1.259 690 1.258 680 680 1.257 670 670 1.256 TAGE (V) (KHz) 660 660 1.255 1.254 650 650 1.253 640 640 FREQUENCY 1.252 630 FEEDBACK VOL 630 1.251 620 1.250 620 -45 -25 0 25 45 65 85 105125145 -45 -25 0 25 45 65 85 105125145 -45 -25 0 25 45 65 85 105125145 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) MP1542 Rev. 1.5 www.MonolithicPower.com
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6/22/2011 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2011 MPS. All Rights Reserved.