R5220x PWM Step-down DC/DC Converter

RICOH electronics devices division

Description

www.DataSheet4U.com R5220x SERIES PWM Step-down DC/DC Converter with switch function NO.EA-121-070824 OUTLINE The R5220x Series are CMOS-based PWM s.
Pin No 1 2 3 4 5 6 Symbol Lx GND MODE CE VOUT VIN Description LX Pin Voltage Supply Pin Ground Pin Mode changer Pin (Refer to the selection guide abo.

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Datasheet Specifications

Part number: R5220x
Manufacturer: RICOH electronics devices division
File Size: 540.36 KB
Datasheet: R5220x_RICOHelectronicsdevicesdivision.pdf
Description: PWM Step-down DC/DC Converter

Features

* Supply Current Typ. 350µA (DC/DC), Typ. 5µA (VR) Standby Current Typ. 0.1µA Built-in Driver ON Resistance P-channel 0.5Ω, N-channel 0.5Ω (at VIN=3.6V) Output Current

Applications

* Power source for portable equipment such as DSC, DVC, and communication equipment. 1 www. DataSheet4U. com R5220x BLOCK DIAGRAM VIN OSC OUTPUT CONTROL Vref Current Limit Soft Start LX MODE∗1 CE VOUT Vref Current Limit GND
* 1 R5220xxxxA: DC/DC mode: Mode pin= "H", VR mode: Mode

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