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R1121N35A1-TR-FE Datasheet(PDF) 1 Page - RICOH electronics devices division |
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R1121N35A1-TR-FE Datasheet(HTML) 1 Page - RICOH electronics devices division |
1 / 18 page R1121N SERIES LOW NOISE 150mA LDO REGULATOR NO.EA-058-111026 1 OUTLINE The R1121N Series are CMOS-based voltage regulator ICs with high output voltage accuracy, extremely low supply current, low ON-resistance, and high Ripple Rejection. Each of these voltage regulator ICs consists of a voltage reference unit, an error amplifier, resistors, 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 R1121N 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 (Mini-mold) package , high density mounting of the ICs on boards is possible. FEATURES • Supply Current ................................................................Typ. 35μA • Standby Mode .................................................................Typ. 0.1μA • Dropout Voltage ..............................................................Typ. 0.2V (IOUT=100mA) • Ripple Rejection..............................................................Typ. 70dB(f=1kHz) • Temperature-Drift Coefficient of Output Voltage .............Typ. ±100ppm/°C • Line Regulation ...............................................................Typ. 0.05%/V • Output Voltage Accuracy.................................................±2.0% • Output Voltage Range.....................................................1.5V to 5.0V (0.1V steps) (For other voltages, please refer to MARK INFORMATIONS.) • Package ........................................................................SOT-23-5 (Mini-mold) • Built-in chip enable circuit ( 2 types; A: active “L”, B: active “H”) • Pin-out.............................................................................Similar to the TK112,TK111 APPLICATIONS • Power source for cellular phones such as GSM, CDMA and various kinds of PCSs. • Power source for domestic appliances such as cameras, VCRs and camcorders. • Power source for battery-powered equipment. |
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