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BD95242MUV Datasheet, PDF (13/21 Pages) Rohm – 2ch Switching Regurators for Desktop PC | |||
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6. Setting standard voltage (REF)
VIN
REF
Outside
voltage
FB
R0
R0
H3RegTM
CONTROLLA
RQ
S
Technical Note
It is available to set the reference voltage (REF)
with outside supply voltage Ã2 [V] by using outside
power supply voltage.
REG2(3.3V)
R1
REF
R2
FB
R0
R0
VIN
H3RegTM
CONTROLLA
RQ
S
It is available to set the reference voltage (REF) by
the resistance division value from REG2 in case
REF is not set from an external power supply.
R2
REF=
ÃREG2 [V]ã»ã»ã»(15)
R1+R2
7. Setting output voltage
This IC is operated that output voltage is REFÃ2âFB.
And it is operated that output voltage is feed back to FB pin.
VIN
REF
FB
R0
R0
H3RegTM
CONTROLLA
RQ
S
SLLM
SLLM
VIN
Driver
Circuit
Output
voltage
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© 2009 ROHM Co., Ltd. All rights reserved.
13/20
2009.04 - Rev.B
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