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Multi Power Supply DC/DC Converter

Step-down DC/DC Converters with VD and VR

Product
Name
Control Input Voltage Range Output Voltage Range Voltage
Accuracy
Switching
Frequency
Output
Tr.
Output Current*1 Protection
Circuit
Type
Other Features? Package Data
Sheet
(PDF)
R5220K PWM 2.8V to 5.5V 1.0V to 3.3V ±2% 1.2MHz Internal 400mA: DC/DC,
50mA: VR
Latch Synchro
Soft-Start UVLO
Built-in DC/DC and VR Alternative Circuit
DFN(PLP)
2514-6
Download
RP901K PWM,
PWM/VFM
Auto Switching
4.5V to 5.5V 1.2V to 1.8V:
DC/DC
±2% 1.2MHz Internal 800mA: xxxA/B/C,
900mA: xxxD
Reset Synchro
Soft-Start UVLO
Thermal Sequencing
Built-in VD and VR,
For DVD drive
DFN(PLP)
2527-10
Download
1.06MB
2.5V to 3.3V:
VR
±1% 600mA
2.0V to 3.0V:
VD, xxxA
3.0V to 5.0V:
VD, xxxB/C/D
±2% -
  • *1Output Current (IOUT) can be affected by environmental conditions or external components. This is an approximate value.

*

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Distributors

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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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