Key facts
- Brand
- Ricoh
- Model
- R5220X
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-07-10
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Ricoh R5220x Series PWM Step-down DC/DC Converter Datasheet
The R5220x Series are CMOS-based PWM step-down DC/DC Converters featuring a synchronous rectifier, low supply current, and an integrated LDO. The device includes a built-in driver transistor and allows for independent setting of output voltages for both the DC/DC converter and the LDO mode via the MODE pin.
Read onlineRicoh R5220X specifications
| Input Voltage Range | 2.8V to 5.5V |
|---|---|
| Output Current (DC/DC) | Min. 400mA |
| Operating Temperature Range | -40 to 85 °C |
Source: Ricoh R5220x Series PWM Step-down DC/DC Converter Datasheet
All Ricoh R5220X documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
Can the output voltage be set independently for DC/DC and LDO modes?
Yes, the output voltage of the DC/DC converter and the LDO can be set independently.
From: Ricoh R5220x Series PWM Step-down DC/DC Converter Datasheet
What is the recommended inductor range for this series?
It is recommended to select an inductor with an inductance range from 4.7uH to 10uH.
From: Ricoh R5220x Series PWM Step-down DC/DC Converter Datasheet
Can the R5220x be used as an LDO regulator?
Yes, by switching with the MODE pin, the device can be used as an LDO regulator with an output current of 50mA.
From: Ricoh R5220x Series 400mA PWM Step-down DC/DC Converter Datasheet
What is the output current capability in DC/DC mode?
The device can be used as a DC/DC converter with an output current of 400mA under high load conditions.
From: Ricoh R5220x Series 400mA PWM Step-down DC/DC Converter Datasheet