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MP28248GD Datasheet(PDF) 7 Page - Monolithic Power Systems |
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MP28248GD Datasheet(HTML) 7 Page - Monolithic Power Systems |
7 / 19 page MP28248 – 3A, 4.2V-20V INPUT, FAST-TRANSIENT SYNCHRONOUS STEP-DOWN CONVERTER IN QFN12 (2X3mm) MP28248 Rev 1.0 www.MonolithicPower.com 7 1/5/2012 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2012 MPS. All Rights Reserved. TYPICAL PERFORMANCE CHARACTERISTICS VIN = 12V, VOUT = 1.2V, L = 2µH, TA = 25°C, unless otherwise noted. 40 50 60 70 80 90 100 0.01 0.1 1 10 OUTPUT CURRENT(A) Efficiency vs. Load Current Vo=1.2V Vin=20V Vin=12V Vin=5V 0 200 400 600 800 1000 1200 0 0.5 1 1.5 2 2.5 3 OUTPUT CURRENT(A) Power Loss vs. Load Current Vo=1.2V Vin=20V Vin=12V Vin=5V 70 75 80 85 90 95 100 0.01 0.1 1 10 OUTPUT CURRENT(A) Vin=8V Vin=20V Vin=12V Efficiency vs. Load Current 0 200 400 600 800 1000 1200 1400 1600 0 0.5 1 1.5 2 2.5 3 OUTPUT CURRENT(A) Vin=20V Vin=12V Vin=8V Power Loss vs. Load Current OUTPUT CURRENT(A) -1.2 -1 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 4 8 12 16 20 INPUT VOLTAGE(V) No Load Half Load Full Load Line Regulation Vo=1.2V 1.164 1.166 1.168 1.17 1.172 1.174 1.176 1.178 1.18 1.182 1.184 1.186 510 15 INPUT VOLTAGE(V) Half Load Full Load No Load Vo vs. Vin Vo=1.2V -1.5 -1 -0.5 0 0.5 1 1.5 0 0.5 1 1.5 2 2.5 3 Vin=20V Vin=12V Vin=5V Load Regulation Vo=1.2V Case Temperature Rise vs. Output Current 0 5 10 15 20 25 0 0.5 1 1.5 2 2.5 3 OUTPUT CURRENT(A) Vin=20V Vin=12V Vo=1.2V Vo vs. Io 1.16 1.165 1.17 1.175 1.18 1.185 1.19 1.195 0 0.5 1 1.5 2 2.5 3 OUTPUT CURRENT(A) Vo=1.2V Vin=20V Vin=12V Vin=5V |
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