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RP131x Series


1A LOW VOLTAGE REGULATOR




| * Outline | * Features | * Applications | * Documenets Download |



Outline


The RP131x Series are voltage-regulators with a built-in low ON-resistance transistor and output current is 1A capability. These ICs are capable of the low input voltage (Min.1.6V) and also the minimum output voltage can be set from 0.8V. (The output voltage is fixed in the IC.)

Each of these ICs consists of a voltage reference unit, an error amplifier, resister net for setting output voltage, a current limit circuits for over-current and thermal-shutdown circuits.

A standby mode with ultra low supply current can be realized with the chip enable function.

Since the packages for these ICs are DFN(PLP)1820-6, SOT-89-5 and HSOP-6J with high power dissipation,high density mounting of the ICs on boards is possible.

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Features


*Output Current Min.1A
*Supply Current Typ. 65µA
*Standby Current Typ. 0.15μA
*Input Voltage Range 1.6V to 6.5V
*Output Voltage Stepwise setting with a step of 0.1V in the range of
0.8V to 5.0V
*High Output Voltage Accuracy ±1.0%
*Dropout Voltage Typ. 0.5V (VOUT=2.8V, IOUT=1A)
*Ripple Rejection Typ.70dB (f = 1kHz, VOUT = 2.8V)
*Output Voltage Accuracy ±1.0%
*Temperature-Drift Coefficient of Output Voltage Typ. ±100ppm/°C
*Line Regulation Typ. 0.05%/V
*Load Regulation Typ. 20mV at IOUT=300mA, Typ. 80mV at IOUT=1A
*Packages HSOP-6J, SOT-89-5, DFN(PLP)1820-6
*Built-in Inrush current limit circuit Typ. 500 mA
*Built-in Fold-Back Protection Circuit Typ. 250mA (Current at short mode)
*Built-in Thermal Shutdown Circuit Thermal Shutdown Temperature ; Typ. 165°C
Released Temperature ; Typ. 135°C
*Built-in Auto Discharge Function D version
*Ceramic capacitors are recommended to be used with this IC 2.2μF or more (VOUT <= 3.6V)
4.7μF or more (VOUT > 3.6V)
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Applications

Power source for battery-powered equipment
Power source for electrical applications such as cameras VCRs and camcorders.
Power source for portable communication equipment such as Lap top computers
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Documents Download


Data Sheet
(PDF)
Package Info.
(PDF)
Mark Info.
(PDF)
Quality Assurance Data
(PDF)
*RP131x Series
EA-174-080405(730KB)
HSOP-6J *RP131S *Reliability
SOT-89-5 *RP131H *Reliability
DFN(PLP)1820-6 *RP131K *Reliability

* All PDF files are less than 1MB unless otherwise stated.
* If you don't have Adobe Reader, you can download free.
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Technical Info.

* Application Note

Application Note

Technical Information on Ricoh Power Management ICs.
*

Quick Links

* Quality Assurance System
(PDF:175KB)
* Inductor Information
(PDF:70KB)


Product Catalog

Selection Guide
Selection guide is available for download in PDF format.



Non-promotion / Discontinued Products

* Power Management ICs
* Real-time clock ICs


Lead (Pb) Free Information

All of the Lead-free products comply with RoHS Directive. RoHS Compliant


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