Multi Power Supply DC/DC Converter

Step-up DC/DC Converters with VD and VR Lineup

The products highlighted in blue rows are major products that are shown in the "DC/DC Converters Lineup in order of Input Voltage and Function".
For technical terms on the list, please refer to "Application Note".
DC/DC Part Remarks Package
Control Input Voltage Range Output Voltage
CE  Frequency Output
Lx Current Limit*2 UVLO Soft Start
RP600K0xxA PWM,
Auto switching
0.8V to 5.5V 2.3V to 5.5V
CE 1.2MHz Internal 1.4A * Selectable PWM or PWM/VFM auto switching mode by MODE pin.
Thermal (Except C)
RP600K0xxB CE1
RP600K2xxC CE
RP600K1xxD Ext. adjustable between
2.3V and 5.5V
LDO Part VD Part
Output Current Input Voltage Range Output Voltage
CE ECO Function Input Operating Voltage Range Detector Threshold Range Output
Delay Time
Hysteresis Data Sheet
RP600K0xxA 500mA 2.0V to 5.5V 1.5V to 5.0V
(Accuracy: ±1%)
CE Fast response mode only DC/DC
0.8V to 5.5V 1.0V to 4.5V
(Accuracy: ±2%)
Monitor VSENSE
* 5% Download
RP600K0xxB 300mA CE2 In DC/DC enabled

Fast response mode

In DC/DC disabled

LDO mode selectable by MODE pin between Automatic mode shift and Fast response mode.

VIN * 5%
RP600K2xxC 150mA DC/DC
30% to 80%
(10% steps)
RP600K1xxD 500mA CE Fast response mode only * 5%
  • *1When the output voltage is adjusted by external resistors, the value means the feedback voltage accuracy.
  • *2Lx current limit is different from output current.
RP600K Block Diagrams
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Technical Info.

  • Application Note

    Technical Information on Ricoh Power Management ICs.

Product Catalog

  • Product Catalog

    Selection guide is available for download in PDF format.

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