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PDF EMD2080 Data sheet ( Hoja de datos )
| Número de pieza | EMD2080 | |
| Descripción | Constant Current LED Lighting Driver | |
| Fabricantes | Elite Semiconductor | |
| Logotipo |  |
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ESMT/EMP
Preliminary
EMD2080
Constant Current LED Lighting Driver
With PWM Dimming Control
General Description
The EMD2080 was designed with high efficiency step
up DC/DC converter with constant current source
for driving lighting LEDs. Wide input voltage range
makes the application more flexible. LED dimming
can be achieved with pulse width modulation
dimming on DIM pin. The EMD2080 switches at
1.2MHz and allows using small inductor and both of
input/output capacitors. An internal compensation
can reduce external component.
Features
g Supply Voltage: 6V ~ 30V
g Driving Current:
n Up to 500mA @VIN=12V, VOUT=22.4V
g Over Voltage Protection: 36V
g Shutdown Current < 1μA
g Reference Voltage 0.245V
g Internal Soft Start and Compensation
g 1.4A Internal power MOSFET Switch
g Thermal Shutdown Protection
The EMD2080 include current limit, over voltage and
thermal shutdown protection. The EMD2080 is
available in MSOP-10 package.
Applications
g Mood and Accent Lighting
g Automotive Lighting
g Ambient Lighting
g RGB LED Driver
Typical Application
Fig. 1
Elite Semiconductor Memory Technology Inc. /Elite MicroPower Inc. Publication Date: Feb. 2012
Revision: 0.3
1/11
1 page  
ESMT/EMP
Preliminary
Typical Performance Characteristics
VIN = 12V, unless otherwise specified
EMD2080
Load vs. Efficiency (VIN=12V, VOUT=22.4V)
Efficiency vs. ILOAD (VIN=12V, VOUT=22.4V)
100
90
80
70
60
50
0 50 100 150 200 250 300 350 400 450 500
ILOAD (mA)
Load vs. Efficiency (VIN=15V, VOUT=22.4V)
Efficiency vs. ILOAD (VIN=15V, VOUT=22.4V)
100
90
80
70
60
50
0 50 100 150 200 250 300 350 400 450 500
ILOAD (mA)
Load vs. Efficiency (VIN=19V, VOUT=22.4V)
Efficiency vs. ILOAD (VIN=19V, VOUT=22.4V)
100
90
80
70
60
50
0 50 100 150 200 250 300 350 400 450 500
ILOAD (mA)
Load vs. Efficiency (VIN=12V, VOUT=28.8V)
Efficiency vs. ILOAD (VIN=12V, VOUT=28.8V)
100
90
80
70
60
50
0 50 100 150 200 250 300 350
ILOAD (mA)
Load vs. Efficiency (VIN=15V, VOUT=28.8V)
Efficiency vs. ILOAD (VIN=15V, VOUT=28.8V)
100
90
80
70
60
50
0 50 100 150 200 250 300 350 400 450
ILOAD (mA)
Load vs. Efficiency (VIN=19V, VOUT=28.8V)
Efficiency vs. ILOAD (VIN=19V, VOUT=28.8V)
100
90
80
70
60
50
0 50 100 150 200 250 300 350 400 450 500
ILOAD (mA)
Elite Semiconductor Memory Technology Inc. /Elite MicroPower Inc. Publication Date: Feb. 2012
Revision: 0.3
5/11
5 Page 
ESMT/EMP
Preliminary
EMD2080
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. Publication Date: Feb. 2012
Revision: 0.3
11/11
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet EMD2080.PDF ] | |
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