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R1114N Datasheet

Low Noise 150 mA LDO Regulator

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R1114N Series
Low Noise 150 mA LDO Regulator for Automotive Applications
NO.EC-094-131219
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
error amplifier, 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 package for these ICs is SOT-23-5, the
high density mounting of the ICs on boards is possible.
FEATURES
Input Voltage Range (Maximum Rating) ............................ 2.0V to 6V (6.5V)
Supply Current ..................................................................... Typ. 75μA
Standby Mode ...................................................................... Typ. 0.1μA
Dropout Voltage ................................................................... Typ. 0.22V (IOUT=150mA 3.0V Output type)
Ripple Rejection................................................................... Typ. 70dB (f=1kHz 3.0V Output type)
Typ. 60dB (f=10kHz)
Output Voltage Range.......................................................... 1.5V to 4.0V (0.1V steps)
(For other voltages, please refer to MARK SPECIFICATION TABLE)
Output Voltage Accuracy...................................................... ±2.0%
Temperature-Drift Coefficient of Output Voltage .................. Typ. ±100ppm/°C
Line Regulation .................................................................... Typ. 0.02%/V
Output Noise ........................................................................ TYP. 30μVrms (BW=10Hz~100kHz)
Packages ............................................................................ SOT-23-5
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 accessories such as car audios, car navigation systems, and ETC systems
1
Free Datasheet http://www.datasheetlist.com/
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