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BM81810MUF-M 데이터시트(PDF) 57 Page - Rohm

부품명 BM81810MUF-M
부품 상세설명  Automotive Panel Power Management IC
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제조업체  ROHM [Rohm]
홈페이지  http://www.rohm.com
Logo ROHM - Rohm

BM81810MUF-M 데이터시트(HTML) 57 Page - Rohm

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TSZ02201-0A3A0AS00510-1-2
© 2020 ROHM Co., Ltd. All rights reserved.
15.May.2020 Rev.001
TSZ22111
• 15 • 001
www.rohm.com
VDD Block Function
– continued
Application Example for VDD (Buck DC/DC)
VDD
application can select Buck DC/DC or LDO by “VDD Mode Select” of EEPROM setting.
When VDD Mode is selected at
”0”, Buck DC/DC operates.
Below figure shows example of Buck DC/DC application circuit.
Application Example for VDD (LDO)
When VDD Mode is selected at
”1”, LDO operates.
Below figure shows example of LDO application circuit.
C_VDD in LDO mode, please use 1.0μF to 10μF.
In addition, when VDD function is not used, please set in VDD LDO mode, and, please connect
capacitor more than 1.0μF.
Figure 92. VDD Block Diagram(Buck DC/DC)
Figure 93. VDD Block Diagram(LDO)
VINB
ERRAMP
PWM
PGNDB
VDD
SWB
VDD
DRIVER
LDO
DAC
REGISTER
DISCHARGE
L_SWB
C_VINB
C_VDD
VINB
ERRAMP
PWM
PGNDB
VDD
SWB
VDD
DRIVER
LDO
DAC
REGISTER
DISCHARGE
C_VINB
C_VDD


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