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R1151N Series


Boost type Voltage Regulator with Reset




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



Outline
The R1151N Series are CMOS-based boost type voltage regulator ICs with high output voltage accuracy, low supply current, and high ripple rejection. Each of these voltage regulator controllers consists of a voltage reference unit, an error amplifier, comparators, resistors for output and reset voltage setting, a current limit protection circuit, and a chip enable circuit.

In addition to low consumption current by CMOS process, the chip enable function prolongs the battery life. Dynamic response and ripple rejection of the R1151N Series are excellent, further these are low noise type, plus maximum operating input voltage tolerance is up to 18.5V, thus these ICs are very suitable for the power supply for hand-held equipment and other power management applications using AC adapter input voltageThe output voltage of these ICs is internally fixed with high accuracy.

Since the package for these ICs is SOT-23-6 (Mini-mold) package, high density mounting of the ICs on boards is possible.
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Features
*Ultra-Low Supply Current TYP. 70µA (IOUT=0mA)
*Standby Mode TYP. 0.1µA
*Low Dropout Voltage TYP. 0.1V(IOUT =100mA
*Depends on External Transistor)
*High Ripple Rejection TYP. 60dB(f=1kHz)
*Low Temperature-Drift Coefficient of Output Voltage TYP. ±100ppm/°C
*High Output Voltage Accuracy ±2.0%
*Excellent Dynamic Response
*Small Package SOT-23-6 (Mini-mold)
*Output Voltage Stepwise setting with a step of 0.1V
in the range of 2.5V to 9.0V
*Built-in chip enable circuit (2 types; A: active low , B: active high)
*Output Capacitor Tantalum type recommendation
(or Ceramic + Series Resistor)
*Built-in output voltage detector with delay (C version)
*Detector Threshold Tolerance 2.5%
*Detector Threshold Voltage
Stepwise setting with a step of 0.1V
in the range of 1.7V to 8.0V
*Operating Input Voltage Max. 18.5V
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Applications
Power source for handheld equipment such as
cameras and videos.
Power source for home appliances.
* Power source for battery-powered equipment.
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Documents Download
Data Sheet
(PDF)		 Package Info.
(PDF)		 Mark Info.
(PDF)		 Quality Assurance Data
(PDF)
*R1151N Series
NO. EA-092-0307 (265KB)		 SOT-23-6 R1151N *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.



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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