R1114N351D Regulator Datasheet

R1114N351D Datasheet, PDF, Equivalent


Part Number

R1114N351D

Description

Low Noise 150 mA LDO Regulator

Manufacture

RICOH

Total Page 26 Pages
Datasheet
Download R1114N351D Datasheet


R1114N351D
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
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R1114N351D
R1114N
NO.EC-094-131219
BLOCK DIAGRAMS
R1114xxx1A
1
VDD
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
Free Datasheet http://www.datasheetlist.com/


Features R1114N Series Low Noise 150 mA LDO Regul ator for Automotive Applications NO.EC- 094-131219 OUTLINE The R1114x Series ar e CMOS-based voltage regulator ICs with high output voltage accuracy, low supp ly current, low ON-resistance, and high ripple rejection. Each of these ICs co nsists of a voltage reference unit, an error amplifier, resistor-net for volta ge setting, a current limit circuit, an d a chip enable circuit. These ICs perf orm with low dropout voltage and a chip enable function. The line transient re sponse and load transient response of t he R1114x Series are excellent, thus th ese ICs are very suitable for the power supply for hand-held communication equ ipment. 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 bo ards is possible. FEATURES • Input Vo ltage Range (Maximum Rating) .......... .................. 2.0V to 6V (6.5V) Supply Current ...............................................
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