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发布者:微桥 发布时间:2011-8-8 阅读:3989次    关键字: EMP8733
EMP8733-Fast Ultra High-PSRR,Low-Noise 300mA LDO


EMP8733-Fast Ultra High-PSRR,Low-Noise 300mA CMOS LDO in SOT-23 Package DataSheet

General Description
    The EMP8733 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 preset output voltages ranging from 0.8V to 4.5V with 0.05V increment.
    Based on its low quiescent current consumption, the EMP8733 is ideal for battery-powered applications. The high power supply rejection ratio of the EMP8733 holds well for low input voltages typically encountered in battery operated systems. The regulator is stable with small ceramic capacitive loads (1μF typical).
The EMP8733 is Available in miniature 3-pin SOT-23-3 package.
    EMP products are Halogen free and RoHS compliant.

Features
􀂄 300mA guaranteed output current
􀂄 62dB typical PSRR at 1kHz
􀂄 110μV RMS output voltage noise (10Hz to 100kHz)
􀂄 290mV typical dropout at 300mA
􀂄 57μA typical quiescent current
􀂄 Fast line and load transient response
􀂄 2.2V to 5.5V input range
􀂄 Stable with small ceramic output capacitors
􀂄 Over temperature and over current protection
􀂄 ±2% output voltage tolerance

Applications
􀂄 Wireless handsets
􀂄 PCMCIA cards
􀂄 DSP core power
􀂄 Hand-held instruments
􀂄 Battery-powered systems
􀂄 Portable information appliances

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