R1232D Datasheet, PDF (8/24 Pages) RICOH electronics devices division – PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER

R1232D
TYPICAL APPLICATION AND TECHNICAL NOTES
• Fixed Output Voltage Type
L
PGND LX
VOUT
CIN
VIN AGND
LOAD
VDD TEST
COUT
CE
VFB
• Adjustable Output Type
CIN
PGND LX
VIN AGND
VDD TEST
CE
VFB
L
VOUT
LOAD
COUT
Cb
R1
R2
CIN
COUT
L
10µF C2012JB0J106MT (TDK), 10µF CM21B106M06AB (Kyocera)
10µF C2012JB0J106MT (TDK), 10µF CM21B106M06AB (Kyocera)
4.7µH/2.7µH VLP5610-4R7MR90, VLP5610-2R7M1R0 (TDK)
*2.2µH is also suitable for B version.
In terms of setting R1, R2, Cb, refer to the technical notes.
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