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Part Name
Description
R1230D001B View Datasheet(PDF) - RICOH Co.,Ltd.
Part Name
Description
Manufacturer
R1230D001B
PWM/VFM step-down DC/DC converter with Synchronous Rectifier
RICOH Co.,Ltd.
R1230D001B Datasheet PDF : 20 Pages
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BLOCK DIAGRAM
l
R1230DXX1A/B
V
DD
V
IN
MODE
“L”= PWM “H”= VFM
OSC
Lx
PWM/VFM
CONTROL
Phase Compensation
OUTPUT
CONTROL
Vref
V
OUT
Current Protection
UVLO
Soft Start
CE
Chip Enable
“H” Active
CE
PGND
l
R1230D001C/D
V
IN
AGND
V
DD
MODE
“L”= PWM “H”= VFM
OSC
V
FB
PWM/VFM
Lx
CONTROL
Phase Compensation
OUTPUT
CONTROL
Current Protection
UVLO
Vref
Chip Enable
“H” Active
CE
Soft Start
PGND
Rev. 1.17
AGND
- 2-
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