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MP26075 Datasheet(PDF) 5 Page - Monolithic Power Systems |
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MP26075 Datasheet(HTML) 5 Page - Monolithic Power Systems |
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5 / 12 page  MP26075 – HIGH EFFICIENCY CRADLE CHARGER MP26075 Rev. 1.01 www.MonolithicPower.com 5 5/23/2011 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2011 MPS. All Rights Reserved. TYPICAL PERFORMANCE CHARACTERISTICS Test with AC_IN=220V flyback, CIN = 4.7μF, COUT = 10μF, ICHG = 1000mA, unless otherwise noted. 0 1 2 3 4 5 6 0 102030405060 TIME(Min) 0 0.2 0.4 0.6 0.8 1 1.2 Battery Current Input Voltage Battery Voltage Real Battery Charge Curve Charge Current vs Battery Voltage 0 200 400 600 800 1000 1200 1.5 2 2.5 3 3.5 4 4.5 VBATT(V) VBATT(V) VBATT(V) ICHG=1000mA ICHG=600mA ICHG=300mA Charge Input Voltage vs Battery Voltage 1.5 2 2.5 3 3.5 4 4.5 Battery Reverse Current IBATT vs VBATT Curve VIN=GND, Power Source on BATT 0 0.02 0.04 0.06 0.08 0.1 0.12 01 23 45 RCHG vs. ICHG Curve Constant Current charge, VBATT=3.8V 0 200 400 600 800 1000 1200 024 6 8 10 IBATT (mA) 0.5 0.51 0.52 0.53 0.54 0.55 0.56 0.57 0.58 0.59 0.6 0.61 CC Charge Current vs. Temp Constant Current charge , VBATT=3.8V IBATT (mA) CC Charge Current vs. Temp Zoom In The junction temperature is too high. Part enters thermal foldback mode 0 20 40 60 80 100 120 02468 10 RCHG vs. ICHG Curve Trickle charge, VBATT=2.4V 3 3.5 4 4.5 5 5.5 20 40 60 80 100 120 140 -40 -10 20 50 80 110 140 700 800 900 1000 1100 1200 60 80 100 120 140 700 800 900 1000 1100 1200 TJ TA TJ TA |
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Similar Description - MP26075 |
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