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Elite Semiconductor - 600mA CMOS Linear Regulator

Numéro de référence EMP8021
Description 600mA CMOS Linear Regulator
Fabricant Elite Semiconductor 
Logo Elite Semiconductor 





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EMP8021 fiche technique
ESMT/EMP
Preliminary
EMP8021
600mA CMOS Linear Regulator
General Description
The EMP8021 low-dropout (LDO) CMOS linear regulators
feature low output voltage noise (63µV), low quiescent
current (50µA), and fast transient response. It
guarantees delivery of 600mA output current, and
supports preset output voltages ranging from 0.8V to
4.75V with 0.05V increment.
Applications
g Wireless handsets
g PCMCIA cards
g DSP core power
g Hand-held instruments
g Battery-powered systems
g Portable information appliances
The EMP8021 is ideal for battery-powered applications
by virtue of its low quiescent current consumption and
its 1nA shutdown mode of logical operation. The
regulator provides fast turn-on and start-up time by
using dedicated circuitry to pre-charge an optional
external bypass capacitor. This bypass capacitor is used
to reduce the output voltage noise without adversely
affecting the load transient response. The regulator is
stable with small ceramic capacitive loads (2.2µF
typical).
Additional features include bandgap voltage
reference, constant current limiting and thermal
overload protection. The EMP8021 is available in
miniature 5-pin SOT-23-5 package.
Features
g Miniature SOT-23-5 packages
g 600mA guaranteed output current
g 63µV RMS output voltage noise (10Hz to 100kHz)
(Vout=3.3V, Cbypass=10nF)
g 580mV typical dropout at 600mA(Vout=3.3V)
g 270mV typical dropout at 300mA(Vout=3.3V)
g 50µA typical quiescent current
g 1nA typical shutdown mode
g Fast line and load transient response
g 140µs typical fast turn-on time (Vout=3.3V,
Cbypass=10nF)
g 2.2V to 5.5V input range
g Stable with small ceramic output capacitors
g Over temperature and over current protection
g ±2% output voltage tolerance
Typical Application
Elite Semiconductor Memory Technology Inc./Elite MicroPower Inc.
Publication Date: Apr. 2011
Revision: 0.3
1/13

PagesPages 13
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