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BD9532EKN_08 Datasheet, PDF (14/21 Pages) Rohm – Switching Regulators for DDR-SDRAM Cores
8. Setting output voltage
This IC is operated that output voltage is REF≒VOUT.
And it is operated that output voltage is feed back to FB pin in case the output voltage is 0.7V to 2.0V.
VIN
VIN
REF
VOUT
H3RegTM
CONTROLLA
RQ
S
SLLM
SLLM
Driver
Circuit
Output
voltage
In case the output voltage range is 0.7V to 2.0V.
It is operated that the resistance division value of the output voltage is feed back to VOUT pin in case the output voltage is
more than 2.0V.
output voltage≒ R1+R2 ×REF [V]・・・(17)
R2
VIN
VIN
REF
VOUT
H3RegTM
CONTROLLA
RQ
S
SLLM
SLLM
Driver
Circuit
Output
voltage
R1
R2
In case the output voltage is more than 2.0V.
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