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RS5RJ Fiches technique(PDF) 2 Page - RICOH electronics devices division

No de pièce RS5RJ
Description  VFM STEP-UP DC/DC CONVERTER WITH VOLTAGE REGULATOR AND DETECTOR
Download  30 Pages
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Fabricant  RICOH [RICOH electronics devices division]
Site Internet  http://www.ricoh.com
Logo RICOH - RICOH electronics devices division

RS5RJ Fiches technique(HTML) 2 Page - RICOH electronics devices division

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VFM STEP-UP DC/DC CONVERTER WITH
VOLTAGE REGULATOR AND DETECTOR
1
RS5RJ SERIES
OUTLINE
The RS5RJ series are step-up DC/DC converter ICs equipped with a voltage regulator (VR) and a voltage
detector (VD) by CMOS process. Each of these step-up DC/DC converter ICs consists of a VFM DC/DC convert-
er, a linear regulator and a voltage detector. These ICs are output-voltage-fixed type regulators which function
as a linear regulator when input voltage is high, and as step-up DC/DC converter + linear regulator when input
voltage is low, by using an inductor, a diode and a capacitor as external parts for the ICs.
Since a voltage detector is built in these ICs, the potentials such as the output voltage of DC/DC converters can
be monitored.
In addition, these step-up DC/DC converter ICs are suitable for battery-powered and hand-held instruments
because internal circuits can be turned off by the chip enable function so that the standby current can be mini-
mized.
Low Supply Current...........................................TYP. 15µA (RS5RJ3624A : VIN=3.0V,at no load)
Standby Mode .....................................................Istandby=MAX. 1.0µA (RS5RJ
××××A)
Istandby=MAX. 10.0µA (RS5RJ
××××B)
Low Voltage Operation Possible .......................Operating Voltage VIN=1.2V to 10V
High Output Voltage Accuracy .........................Fixed Output Voltage Accuracy±2.5%
High Detector Threshold Accuracy...................±2.5%
Output Voltage can be set at User's request (refer to Selection Guide).
Voltage close to battery's voltage can be output because these ICs are of a step-up / step-down type
(Ex. a fixed voltage of 3V can be output by a 3V battery).
Built-in Protection Circuits for Lx Driver
Pin for External Driver is equipped, and a large current output can be obtained.
Small Package ....................................................8pin SOP
FEATURES
APPLICATIONS
Power source for cameras, camcorders, and hand-held audio equipment.
Power source for small OA apparatus such as note type personal computers,and word processors.
Power source for hand-held communication appliances such as pagers,cordless telephones, and cellular phones.


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Fiches technique Télécharger

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Numéro de composants électroniques

No de pièceDescriptionHtml ViewFabricant
RS5RM PWM STEP-UP DC/DC CONVERTER WITH VOLTAGE REGULATOR AND DETECTOR  1  2  3  4  5  More RICOH electronics devices division
MB3883 6-ch DC/DC Converter IC With Synchronous Rectification for voltage step-up and step-down 1  2  3  4  5  More Fujitsu Component Limited.
XC9510 Synchronous Step-Down DC/DC Converter with Built-In LDO Regulator In Series plus Voltage Detector 1  2  3  4  5  More Torex Semiconductor
XC9509 Synchronous Step-Down DC/DC Converter with Built-In LDO Regulator in Parallel plus Voltage Detector 1  2  3  4  5  More Torex Semiconductor
MDT763022 Step-up DC/DC Converter with Voltage Detector 1  2  3  4  Micon Design Technology Corporation
NCP1411 Sync-Rect PFM Step-Up DC-DC Converter with Low-Battery Detector and Ring-Killer 1  2  3  4  5  More ON Semiconductor
MB3827 6-ch DC/DC Converter IC With Synchronous Rectification for voltage step-up and step-down 1  2  3  4  5  More Fujitsu Component Limited.
MB3881 8-ch DC/DC Converter IC with Synchronous Rectifier for Voltage Step-up and Step-down 1  2  3  4  5  More Fujitsu Component Limited.
2SC4754 NPN TRIPLE DIFFUSED TYPE HIGH VOLTAGE SWITCHING HIGH SPEED DC-DC CONVERTER AND SWITCHING REGULATOR APPLICATIONS 1  2  3  Toshiba Semiconductor
2SK2267 N CHANNEL MOS TYPE HIGH SPEED HIGH VOLTAGE SWITCHING CHOPPER REGULATOR DC-DC CONVERTER AND MOTOR DRIVE APPLICATIONS 1  2  3  4  5  Toshiba Semiconductor

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