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R1114N381A Datasheet(PDF) 1 Page - RICOH electronics devices division |
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R1114N381A Datasheet(HTML) 1 Page - RICOH electronics devices division |
1 / 31 page R1114x SERIES LOW NOISE 150mA LDO REGULATOR NO.EA-094-0512 1 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 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. |
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