Ricoh R5220x Series PWM Step-down DC/DC Converter Datasheet

R5220x SERIES PWM Step-down DC/DC Converter with switch function

Brand: Ricoh
Category: DC/DC Converter
Document type: Datasheet
Language: English
Pages: 21
File format: PDF
File size: 408 KB
Published: 10 July, 2012
Updated: 30 September, 2023
Model: R5220X
MD5 checksum: CC6B1BE3AB85AB2331AF3A7FE0B8D8A3
PDF: Ricoh R5220x Series PWM Step-down DC/DC Converter Datasheet PDF

About this manual

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.

What's inside

OUTLINE
FEATURES
APPLICATIONS
SELECTION GUIDE
PIN CONFIGURATIONS
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
TYPICAL APPLICATION

Specifications

Input Voltage Range	2.8V to 5.5V
Output Current (DC/DC)	Min. 400mA
Operating Temperature Range	-40 to 85 °C

Frequently asked questions

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.

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.

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