OUTLINE The RP100x 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 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 RP100x 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 and PLP1612-4, therefore high density mounting of the ICs on boards is possible. FEATURES • Supply Current ........................................Typ. 18µA • Standby Current ......................................Typ. 0.1µA • Dropout Voltage ......................................Typ. 0.13V (IOUT=150mA, VOUT=2.8V) • Ripple Rejection.......................................Typ. 75dB (f=1kHz) • Temperature-Drift Coefficient of Output Voltage ...Typ. ±30ppm/°C • Line Regulation ........................................Typ. 0.02%/V • Output Voltage Accuracy...........................±0.8% • Packages ..................................................PLP1612-4, SOT-23-5 • Input Voltage Range .................................1.7V to 5.25V • Output Voltage ..........................................1.2V, 1.3V, 1.5V, 1.8V, 1.85V, 1.9V, 2.0V, 2.1V, 2.5V, 2.6V, 2.7V, 2.8V, 2.85V, 2.9V, 3.0V, 3.1V, 3.3V • Built-in Fold Back Protection Circuit .....................Typ. 40mA (Current at short mode) • Ceramic capacitors are recommended to be used with this IC .....1.0µF or more 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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