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BD9862MUV-E2 Datasheet(PDF) 4 Page - Rohm |
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BD9862MUV-E2 Datasheet(HTML) 4 Page - Rohm |
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4 / 17 page  Technical Note 4/16 BD9862MUV www.rohm.com 2010.03 - Rev.A © 2010 ROHM Co., Ltd. All rights reserved. ● Reference Data(Unless specified Ta=25℃,VCC=2.5V,RRT=120kΩ) 40 45 50 55 60 65 70 75 80 85 90 1 10 100 Load current[mA] L=15uH L=4.7uH 65 70 75 80 85 90 0.1 1 10 Load current[mA] PWM MODE PWM/PFM MODE 36 38 40 42 44 46 48 50 0.1 1 10 Load current[mA] PWM MODE PWM/PFM MODE Fig.1 CH1Current Load to Efficiency (Vo1=10V) Fig.2 CH2 Current Load to Efficiency (VIN2A=3.5V,VIN2B=10V,Vo2=12V) Fig.3 CH3 Current Load to Efficiency (VIN3=10V,Vo3=-5V) 3.55 3.56 3.57 3.58 3.59 3.6 0 5 10 15 Load current[mA] 3.500 3.505 3.510 3.515 3.520 3.6 4.0 4.4 4.8 5.2 CPOUT voltage[V] 3.504 3.506 3.508 3.510 3.512 3.514 3.516 3.518 -40 -15 10 35 60 85 Ta[℃] Fig.4 REGOUT Output Load Regulation Fig.5 REGOUT Output Line Regulation Fig.6 REGOUT Output Voltage Temperature Feature 1.002 1.003 1.004 1.005 1.006 -40 -15 10 35 60 85 Ta[℃] 1.002 1.003 1.004 1.005 1.006 -40 -15 10 35 60 85 Ta[℃] 1.008 1.009 1.010 1.011 1.012 -40 -15 10 35 60 85 Ta[℃] Fig.7 INV1 Threshold Voltage Temperature Feature Fig.8 INV2 Threshold Voltage Temperature Feature Fig.8 NON3 Threshold Voltage Temperature Feature 0 10 20 30 40 50 60 70 80 90 100 0.6 0.811.2 1.4 1.6 1.82 FB1 voltage[V] 985 990 995 1000 1005 1010 1015 -40 -15 10 35 60 85 Ta[℃] 950 960 970 980 990 1000 1010 1020 1030 1040 1050 23 4 5 VBAT[V] Fig.10 CH1 FB1Voltage- On Duty Feature Fig.11 CH1 Switching Frequency Temperature Feature Fig.12 CH1 Switching Frequency to VBAT Voltage Feature |
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