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FC8731 Datasheet(PDF) 1 Page - First Silicon Co., Ltd |
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FC8731 Datasheet(HTML) 1 Page - First Silicon Co., Ltd |
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1 / 11 page  High-PSRR, Low-Noise, 300mA CMOS Linear Regulator with 3 Types of Output Select General Description The FC8731 features ultra-high power supply rejection ratio, low output voltage noise, low dropout voltage, low quiescent current and fast transient response. It guarantees delivery of 300mA output current and supports 3 types of output voltages via ADJ pin. Based on its low quiescent current consumption and its less than 1µA shutdown mode of logical operation, the FC8731 is ideal for battery-powered applications. The high power supply rejection ratio of the FC8731 holds well for low input voltages typically encountered in battery-operated systems. The regulator is stable with small ceramic capacitive loads (2.2µF typical). The FC8731 is available in miniature SOT-25 packages. Applications Wireless handsets PCMCIA cards DSP core power Hand-held instruments Battery-powered systems Portable information appliances Features 300mA guaranteed output current 60dB typical PSRR at 1kHz 130µV (VOUT=3.0V) RMS output voltage noise (10Hz to 100kHz) 264mV (VOUT=2.8V) typical dropout at 300mA 60µA typical quiescent current Less than 1µA typical shutdown mode Fast line and load transient response 2.2V to 5.5V input range Auto-discharge during chip disable 60µs typical turn-on time Stable with small ceramic output capacitors Over temperature and over current protection ±2% output voltage tolerance Typical Application SEMICONDUCTOR TECHNICAL DATA FC8731 2018. 05. 03 1/11 Revision No : 1 |
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