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BD9757MWV-E2 Datasheet(PDF) 7 Page - Rohm |
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BD9757MWV-E2 Datasheet(HTML) 7 Page - Rohm |
7 / 24 page Technical Note 7/20 BD9757MWV www.rohm.com 2010.11 - Rev.A © 2010 ROHM Co., Ltd. All rights reserved. ●Pin Assignment Fig.22 BD9757MWV Top VIEW ●Pin Description PIN No. PIN name I/O Function Notes 21 VBAT I Battery voltage input Starting up at higher than 1.5V 28 VCCOUT I Power supply input terminal Connecting the CH1 output 26 GND - Earth terminal 15,16,7,2,39 PGND13,24,5, 678 - Earth terminal with built-in FET 27 VREGA O VREGA output 2.5V output 30 VREF6 O reference voltage output for CH6 inversion 1.0V output 41 OUT6 O CH6 PMOS gate connection terminal 19,20,5,13,9,4 Hx1,2,3,4,5 O Synchronous rectification high side switch input terminal, Pch Driver power supply output 17,18,6,14,8,3,40,38 Lx1,,2,3,4,5,7,8 O Inductor connection terminal 36 HS78H I Built-in load switch power supply input terminal 35,37 HS7L,HS8L O Built-in load switch output terminal 22,25,23,24,29,32,34 INV1,2,3,4,5,7,8 I Error amplifier inversion input terminal 31 NON6 I Error amplifier non-inversion input terminal 33 INV8I I Error amplifier inversion input terminal 12,10,11,1,44,43 STB13,2,4,5,6,7 I CH1 ~ CH7 ON / OFF switch Operating :higher than 1.5V At the time of All Low Standby state 42 UPIC8 I CH8 start-up signal, LED light control-purpose signal input 34 35 36 37 38 39 40 41 42 43 44 22 21 20 19 18 17 16 15 14 13 12 1 2 3 4567 8 9 10 11 33 32 31 30 29 28 27 26 25 24 23 INV8 HS7L HS78H HS8L LX8 PGND678 LX7 OUT6 UPIC8 STB7 STB6 VBAT HX1 LX1 LX1 HX1 PGND13 PGND13 LX3 HX3 STB13 INV1 BD9757MWV |
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