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R1114x Datasheet Preview

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LOW NOISE 150mA LDO REGULATOR

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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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R1114x Datasheet Preview

R1114x Datasheet

LOW NOISE 150mA LDO REGULATOR

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R1114x pdf
R1114x
BLOCK DIAGRAMS
R1114xxx1A
1
VDD
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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




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RICOH

R1114x Datasheet Preview

R1114x Datasheet

LOW NOISE 150mA LDO REGULATOR

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R1114x pdf
R1114x
SELECTION GUIDE
The output voltage, version, and the taping type for the ICs can be selected at the user’s request.
The selection can be made with designating the part number as shown below;
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R1114xxx1x-xx Part Number
↑↑ ↑ ↑
ab c d
Code
a
b
c
d
Contents
Designation of Package Type:
N: SOT-23-5 D: SON1612-6 Q: SC-82AB
Setting Output Voltage (VOUT):
Stepwise setting with a step of 0.1V in the range of 1.5V to 4.0V is possible.
Designation of Active Type:
A: active low type
B: active high type
D: active high, with auto discharge
Designation of Taping Type:
Ex. TR (refer to Taping Specifications; TR type is the standard direction.)
3




Part Number R1114x
Description LOW NOISE 150mA LDO REGULATOR
Maker RICOH
Total Page 30 Pages
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