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For Consumer Applications

DC/DC Converters (Switching Regulators)

DC/DC Converters (Switching Regulators) for Consumer Applications

Ricoh DC/DC converters (switching regulators) achieve low supply current, high efficiency and miniaturization by CMOS analog technology and by elaborate design skills. Our products can meet various needs of customers.

In order to correspond to the different customer’s requirements, we have a wide lineup of DC/DC converters featuring operating input voltages from 0.6 V to 34 V, output currents from 1 mA to 14 A, and supply currents from 0.3 µA.

Our converters include the following protections: three types of overcurrent protection (foldback, latch, or reset), overvoltage protection (OVP), undervoltage lockout (UVLO), and thermal shutdown (TSD). Therefore, our converters can operate in your applications with high reliability.

We offer suitable products to meet various applications of customers: a step-down DC/DC converter with ultra-low supply current for IoT applications; a step up/down DC/DC converter for battery-drive devices; a step-up DC/DC converter dedicated to a power supply circuit of LED, PMOLED, LCD and CCD.

Major products classified by input voltage and function

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

Category VINmax VOUTmax OVPmax Product Name Function
Step-down 34 V 31.6 V - R1270 3 A Output
Step-down 34 V 5.3 V - R1272 External
Step-down 34 V 5.3 V - R1273 14 A Output
Step-down 30 V 27.6 V - R1245 1.2 A Output
Step-down 30 V 5 V - R1275 2 A Output
Step-down 18.5 V 6 V - R1224 Reset Protection
Step-down 5.5 V 3.3 V - R1800 IQ 144 nA, 1 mA Output
Step-down 5.5 V 4 V - RP506 2 A Output
Step-down 5.5 V 5.5 V - RP509 1 A Output
Step-down 5.5 V 3.3 V - RP510 4 A Output
Step-down 5.5 V 4.0 V - RP511 IQ 0.3 µA, IOUT 100 mA
Step-down 5.5 V 4.0 V - RP512 IQ 0.3 µA, IOUT 300 mA
Step-down 5.5 V 4.0 V - RP514 ISS: 0.3 µA + 0.1 µA (Battery monitor), IOUT 100 mA
Step-down 5.5 V 4.0 V - RP515 ISS: 0.3 µA + 0.1 µA (Battery monitor), IOUT 300 mA
Step-down 5.5 V 1.2 V - RP516 IQ 0.3 µA, IOUT 100 mA, VOUTmin. 0.3 V
Step-down 5.5 V 1.2 V - RP517 IQ 0.3 µA, IOUT 300 mA, VOUTmin. 0.3 V
Step-down 5.5 V 5.5 V - RP519 1 A Output
Step-down 5.5 V 3.3 V - RP550 1 A Dual Output
Step-up 22 V - 43.5 V R1208 For White LED, External Diode, 4 Strings
Step-up 5.5 V - 23 V R1202 For PMOLED, General Use, White LED, Internal Diode
Step-up 5.5 V - 42 V R1204 For PMOLED, General Use, White LED, External Diode
Step-up 5.5 V 15 V - R1213 For General Use
Step-up 5.5 V - 35 V R1214 For White LED, External Diode, 2 Strings
Step-up 4.8 V 5.5 V 6 V RP402 For General Use, Synchronous Rectifier
Multi Power Supply 5.5 V 5.8 V - R1287 Step-up and Inverting (-6 V~)
Multi Power Supply 5.5 V 20 V - R1294 Step-up and Charge pump
Step-up/down 5.5 V 4.2 V - RP602 1.5 A Output
Step-up/down 5.5 V 5.2 V - RP604 IQ 0.3 µA, 300 mA Output

*: Major products are classified by input voltage and function. This chart does not include all products.

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