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R1114

LOW NOISE 150mA LDO REGULATOR



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R1114 pdf
R1114x SERIES
LOW NOISE 150mA LDO REGULATOR
NO.EA-094-0512
OUTLINE
The R1114x Series are CMOS-based voltage regulator ICs with high output voltage accuracy, low supply
current, low ON-resistance, and high ripple rejection. Each of these ICs consists of a voltage reference unit, an
www.DataSheete4rUr.ocromamplifier, resistor-net for voltage setting, a current limit circuit, and a chip enable circuit.
These ICs perform with low dropout voltage and a chip enable function. The line transient response and load
transient response of the R1114x Series are excellent, thus these ICs are very suitable for the power supply for
hand-held communication equipment.
The output voltage of these ICs is fixed with high accuracy. Since the packages for these ICs are SOT-23-5,
SC-82AB, and SON1612-6 therefore high density mounting of the ICs on boards is possible.
FEATURES
Low Supply Current ............................................................. Typ. 75µA
Standby Mode ...................................................................... Typ. 0.1µA
Low Dropout Voltage............................................................ Typ. 0.22V (IOUT=150mA 3.0V Output type)
High Ripple Rejection .......................................................... Typ. 70dB (f=1kHz 3.0V Output type)
............................................................................................. Typ. 60dB (f=10kHz)
Low Temperature-Drift Coefficient of Output Voltage........... Typ. ±100ppm/°C
Excellent Line Regulation .................................................... Typ. 0.02%/V
High Output Voltage Accuracy ............................................. ±2.0%
Small Packages ................................................................. SOT-23-5/SC-82AB/SON1612-6
Output Voltage ..................................................................... Stepwise setting with a step of 0.1V in
the range of 1.5V to 4.0V is possible
Built-in Fold Back Protection Circuit .................................... Typ. 40mA (Current at short mode)
Ceramic capacitors are recommended to be used with this IC ... CIN=COUT=1µF (VOUT<2.5V)
CIN=1µF, COUT=0.47µF (VOUT >= 2.5V)
APPLICATIONS
Power source for portable communication equipment.
Power source for electrical appliances such as cameras, VCRs and camcorders.
Power source for battery-powered equipment.
1



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R1114 pdf
R1114x
BLOCK DIAGRAMS
R1114xxx1A
1
VDD
www.DataSheet4U.com
CE
3
Vref
Current Limit
R1114xxx1D
VDD
-
+
Vref
Current Limit
CE
5
VOUT
VDD
GND
2
CE
VOUT
GND
R1114xxx1B
-
+
Vref
Current Limit
VOUT
GND
2



Part Number R1114
Description LOW NOISE 150mA LDO REGULATOR
Maker RICOH - RICOH
Total Page 30 Pages
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