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Numéro de référence | EMP8734 | ||
Description | 300mA CMOS Linear Regulator | ||
Fabricant | Elite Semiconductor | ||
Logo | |||
ESMT/EMP
EMP8734
Fast Ultra High-PSRR, Low-Noise, 300mA
CMOS Linear Regulator
General Description
The EMP8734 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 and its
less than 1μA shutdown mode of logical operation, the
EMP8734 is ideal for battery-powered applications. The
high power supply rejection ratio of the EMP8734 holds
well for low input voltages typically encountered in
battery-operated systems. The regulator is stable with
small ceramic capacitive loads (1µF typical). The
EMP8734 is Available in miniature SOT-23-5
SOT-353(SC-70-5 ), SOT-343 and TDFN-6 packages.
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
Less than 1μA typical shutdown mode
Fast line and load transient response
2.2V to 5.5V input range
Auto-discharge during chip disable
80µs typical turn-on time
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
Features
Typical Application
*Use 2.2μF for VOUT < 1.2V
Elite Semiconductor Memory Technology Inc./Elite MicroPower Inc.
Publication Date : Mar. 2011
Revision : 2.3
1/15
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Pages | Pages 15 | ||
Télécharger | [ EMP8734 ] |
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