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PDF EMP8733-33VB03GRR Data sheet ( Hoja de datos )
| Número de pieza | EMP8733-33VB03GRR | |
| Descripción | Low-Noise 300mA CMOS LDO | |
| Fabricantes | Elite Semiconductor | |
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ESMT/EMP
EMP8733
Fast Ultra High-PSRR, Low-Noise 300mA CMOS
LDO in SOT-23 Package
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
Typical Application
*Use 2.2μF for VOUT < 1.2V
Elite Semiconductor Memory Technology Inc./Elite MicroPower Inc.
Publication Date : Sep. 2010
Revision : 2.2
1/11
1 page  
ESMT/EMP
Typical Performance Characteristics
Unless otherwise specified, VIN = VOUT (NOM) + 1V, CIN = COUT = 1.0µF, TA = 25°C.
PSRR vs. Frequency
EMP8733
PSRR vs. Frequency
Frequency (Hz)
PSRR vs. Frequency
Frequency (Hz)
PSRR vs. Frequency
Frequency (Hz)
PSRR vs. Frequency
Frequency (Hz)
PSRR vs. Frequency
Frequency (Hz)
Elite Semiconductor Memory Technology Inc./Elite MicroPower Inc.
Frequency (Hz)
Publication Date : Sep. 2010
Revision : 2.2
5/11
5 Page 
ESMT/EMP
EMP8733
All rights reserved.
Important Notice
No part of this document may be reproduced or duplicated in any form or
by any means without the prior permission of ESMT.
The contents contained in this document are believed to be accurate at
the time of publication. ESMT assumes no responsibility for any error in this
document, and reserves the right to change the products or specification
in this document without notice.
The information contained herein is presented only as a guide or examples
for the application of our products. No responsibility is assumed by ESMT for
any infringement of patents, copyrights, or other intellectual property rights
of third parties which may result from its use. No license, either express ,
implied or otherwise, is granted under any patents, copyrights or other
intellectual property rights of ESMT or others.
Any semiconductor devices may have inherently a certain rate of failure.
To minimize risks associated with customer's application, adequate design
and operating safeguards against injury, damage, or loss from such failure,
should be provided by the customer when making application designs.
ESMT's products are not authorized for use in critical applications such as,
but not limited to, life support devices or system, where failure or abnormal
operation may directly affect human lives or cause physical injury or
property damage. If products described here are to be used for such kinds
of application, purchaser must do its own quality assurance testing
appropriate to such applications.
Elite Semiconductor Memory Technology Inc./Elite MicroPower Inc.
11/11
Publication Date : Sep. 2010
Revision : 2.2
11 Page | ||
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