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BD8966FVM Datasheet(PDF) 5 Page - Rohm |
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BD8966FVM Datasheet(HTML) 5 Page - Rohm |
5 / 15 page BD8966FVM Technical Note 5/14 www.rohm.com 2010.04 - Rev.B © 2010 ROHM Co., Ltd. All rights reserved. ● Information on advantages Advantage 1:Offers fast transient response with current mode control system. Voltage drop due to sudden change in load was reduced . Fig.17 Comparison of transient response Advantage 2: Offers high efficiency with synchronous rectifier ・ For heavier load: Utilizes the synchronous rectifying mode and the low on-resistance MOS FETs incorporated as power transistor. ON resistance of P-channel MOS FET : 350mΩ(Typ.) ON resistance of N-channel MOS FET : 250mΩ(Typ.) Fig.18 Advantage 3:・Supplied in smaller package due to small-sized power MOS FET incorporated. Reduces a mounting area required. Fig.19 Example application RITH L Co VOUT CITH VCC Cin 10mm 15mm RITH CITH CIN CO L Conventional product (Load response IO=0.1A→0.6A) BD8966FVM (Load response IO=0.1A→0.6A) ・ Output capacitor Co required for current mode control:10μF ceramic capacitor ・ Inductance L required for the operating frequency of 1 MHz: 4.7μH inductor DC/DC Convertor Controller 110mV VOUT IOUT 0 10 20 30 40 50 60 70 80 90 100 1 10 100 1000 10000 OUTPUT CURRENT:IOUT[mA] 【 VOUT=1.5V】 VCC=5V Ta=25℃ VOUT IOUT 90mV |
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Similar Description - BD8966FVM_10 |
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