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For Consumer Applications

Step-down DCDC Converters (Switching Regulators)

Ricoh’s step-down DC/DC converters with PWM/VFM automatic switching control can help you to make high-efficiency power supply design. Ricoh’s extensive portfolio includes low-power and high-frequency DC/DC converters as well as DC/DC controllers capable of setting output current.

* You can use the filter operators. ( < ,<=, >, >= )

Product Name VIN
min.[V]
VIN
max.[V]
VOUT
min.[V]
VOUT
max.[V]
Frequency
[kHz]
IOUT
[mA]*1
Features Package Datasheet
R1800 2.0 5.5 2.0 4.5 -*2 1 Low quiescent current DFN(PLP)2730-12 Consumer
NEW
RP512
2.0 5.5 1.0 4.0 -*2 300 Low quiescent current WLCSP-8-P1
DFN(PLP)2527-10
SOT-89-5
Consumer
NEW
RP511
2.0 5.5 1.0 4.0 -*2 100 Low quiescent current WLCSP-8-P1
DFN(PLP)2527-10
SOT-89-5
Consumer
R1272 4.0 34.0 0.7 5.3 250 to 1000 Ext. Controller
Ext. adjustable VOUT
Ext. adjustable frequency
Ext. sync. frequency
HSOP-18 Consumer
R1273 4.0 34.0 0.7 5.3 250 to 1000 14000 Ext. adjustable VOUT
Ext. adjustable frequency
Ext. sync. frequency
QFN0505-32B Consumer
R1270 3.6 34.0 0.8 31.6 300 to 2400 3000 Ext. adjustable VOUT
Ext. adjustable frequency
Ext. sync. frequency
HSOP-18 Consumer
R1242 5.0 30.0 0.8 15.0 330,
500,
1000,
330 to 1000
3000 Ext. adjustable VOUT
Ext. adjustable frequency (option)
HSOP-8E Consumer
R1243 4.5 30.0 0.8 18.0 330,
1000
2000 Ext. adjustable VOUT DFN(PLP)2527-10
HSOP-8E
Consumer
R1275 3.6 30.0 3.3 5.0 2000 2000 Ext. adjustable VOUT
Ext. adjustable frequency
Ext. sync. frequency
HSOP-18 Consumer
R1245 4.5 30.0 0.8 27.6 330,
500,
1000,
2400
1200 Ext. adjustable VOUT DFN(PLP)2020-8
SOT-23-6W
HSOP-8E
Consumer
R1240 4.5 30.0 0.8 15.0 1250 1200 Ext. adjustable VOUT SOT-23-6W
DFN(PLP)2527-10
Consumer
R1244 4.5 30.0 0.8 15.0 1250 1200 Ext. adjustable VOUT SOT-23-6W -
R1225 2.3 18.5 1.2 6.0 180,
300,
500
-*3 Controller SOT-23-6W Consumer
R1224 2.3 18.5 1.0 VIN 180,
300,
500
-*3 Controller
Ext. adjustable VOUT (option)
SOT-23-5 Consumer
R1223 2.3 13.2 1.5 5.0 300,
500
-*3 Controller SOT-23-5 Consumer
RP510 2.5 5.5 0.8 3.3 2300 4000 Ext. adjustable VOUT (option) DFN3030-12 Consumer
RP506 2.5 5.5 0.6 4.0 1200,
2250
2000 Ext. adjustable VOUT (option) DFN(PLP)2527-10 Consumer
RP509 2.3 5.5 0.6 5.5 6000 1000, 500 Ext. adjustable VOUT (option) WLCSP-6-P6
SOT-23-6
Consumer
RP519 2.3 5.5 0.6 5.5 6000 1000, 500 Ext. adjustable VOUT (option) WLCSP-6-P8 Consumer
RP904 2.5 5.5 1.0 3.3 2000 1000 Alternative dual-voltage WLCSP-11-P2 Consumer
RP550 2.3 5.5 0.6 3.3 2250 1000 (Dual) Dual channel
Ext. adjustable VOUT
DFN(PLP)2730-12 Consumer
RP505 2.3 5.5 0.6 3.3 2250 1000 Ext. adjustable VOUT (option) DFN(PLP)2020-8 Consumer
RP501 2.5 5.5 1.0 3.3 2250 1000   DFN(PLP)2527-10 Consumer
R1232 2.6 5.5 0.8 VIN 1000,
2250
1000 Ext. adjustable VOUT (option) SON-8 Consumer
RP507 2.3 5.5 0.7 5.5 2000 600 Ext. adjustable VOUT DFN(PLP)1616-6D Consumer
RP508 2.3 5.5 0.8 3.3 6000 600   DFN(PLP)1212-6F Consumer
RP504 2.3 5.5 0.8 3.3 2250 600   DFN(PLP)1216-6F
DFN1616-6B
SOT-23-5
Consumer
RP502 2.5 5.5 0.8 3.3 3300 600   WLCSP-6-P2
DFN1616-6
Consumer
RP500 2.55 5.5 1.1 3.3 1200 600   DFN1616-6
DFN(PLP)1820-6
SOT-23-6W
Consumer
RP503 2.5 5.5 0.8 2.5 2000 600   DFN1616-6
SOT-23-5
Consumer
  • *1Output Current (IOUT) can be affected by environmental conditions or external components. This is an approximate value.
  • *2Switching frequency is depending on the conditions of input, output voltage, and output current.
  • *3Depends on external MOSFET

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