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EUP7987-18VIR1 Datasheet(PDF) 1 Page - Eutech Microelectronics Inc |
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EUP7987-18VIR1 Datasheet(HTML) 1 Page - Eutech Microelectronics Inc |
1 / 11 page EUP7987 DS7987 Ver 1.5 May .2005 1 300mA Low-Noise Ultra Low-Dropout CMOS Regulator DESCRIPTION The EUP7987 low-noise, low-dropout, linear regulator operates from a 2.5V to 5.5V input and is guaranteed to deliver 300mA. The EUP7987 is stable with small 2.2µF ceramic capacitor. Its performance suits battery powered applications because of its shutdown mode (60 nA typ), low quiescent current (110µA typ), and LDO voltage (140mV typ). The low dropout voltage allows for more utilization of a battery’s available energy by operating closer to its end-of-life voltage. The EUP7987 is available in 1.8V, 2.5v, 2.8V, 3V, 3.3V, and adjustable versions. FEATURE 300mA Guaranteed Output Current (500mA for Pulsed Loads) 60dB PSRR at 1kHz 50µ VRMS Output Voltage Noise 140mV Dropout at 300mA Load Low 110µA No-Load Supply Current ≤ 1µA Shutdown Current Fast Start-up Time Stable With 2.2µF Ceramic Output Capacitors Thermal Shutdown and Short-Circuit Protection SOT23-5 and SOT23-6 Package RoHS Compliant and 100% Lead (Pb)-Free APPLICATIONS Wireless Handsets DSP Core Power Battery Powered Electronics Portable Information Appliances Block Diagram Figure1. |
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