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RICOH ELECTRONIC DEVICES CO., LTD.

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Multi Power Supply DCDC Converter

Step-down DCDC 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
Other Features Package Datasheet
R5220 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 Consumer
RP901 PWM,
PWM/VFM Auto Switching
4.5V to 5.5V 1.2V to 1.8V:
DC/DC
±2% 1.2MHz Internal 800mA,
900mA
Reset Synchro
Soft-Start UVLO
Thermal Sequencing
Built-in VD and VR,
For DVD drive
DFN(PLP)2527-10 Consumer
2.5V to 3.3V:
VR
±1% 600mA
2.0V to 5.0V:
VD
±2% -
  • *1Output Current (IOUT) can be affected by environmental conditions or external components. This is an approximate value.

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