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PDF EMD2095-00VC06NRR Data sheet ( Hoja de datos )
| Número de pieza | EMD2095-00VC06NRR | |
| Descripción | PWM Step-Up DC/DC Converter | |
| Fabricantes | Elite Semiconductor | |
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ESMT
EMD2095
PWM Step-Up DC/DC Converter for Panel Backlight
General Description
The EMD2095 is a highly efficient, step-up DC/DC
converter for driving white LEDs. The device can
drive up to 9 serially connected white LEDs from a
single Li-Ion battery, or to drive multiple serial and
parallel combinations with a DC power supply from
2.5V to 5.5V. The EMD2095 uses current mode and
pulse-width modulated (PWM) operation. Its high
switching operation frequency of 1.2MHz allows the
system to use small inductor, input and output
capacitors. An internal compensation circuit can
reduce the external component count.
To safeguard the system, the EMD2095 includes
various protection circuits such as under-voltage
lockout, current limit, over voltage and thermal
shutdown. EMD2095 are available in the tiny
packages of SOT-23-6L.
Applications
Mobile Phone
Digital Still Cameras
Portable applications
MP3 Players
GPS Receivers
Features
Up to 9 WLEDs supports
Low Quiescent Current: 120 μA
Over Voltage Protection: 31V
Inherently Matched LED Current
Shutdown Current < 1μA
Reference Voltage 0.245V
PWM Dimming Control (2KHz~200kHz)
Internal Soft Start and Compensation
1.4A Internal power MOSFET Switch
Low Profile SOT-23-6 Package
Typical Application (9S3P)
Fig. 1
Elite Semiconductor Memory Technology Inc.
Publication Date:Nov. 2013
Revision: 0.1 1/13
1 page  
ESMT
EMD2095
Electrical Characteristics
VIN = 3.7V, CIN=4.7uF, COUT=1uF, IOUT=20mA, L=22uH, TA = 25°C, unless otherwise specified.
PARAMETER
TEST CONDITION MIN TYP
Maximum Output Voltage
OVP
31
OVP Hysteresis
1
MAX
30
3
UNIT
V
V
V
Elite Semiconductor Memory Technology Inc.
Publication Date:Nov. 2013
Revision: 0.1 5/13
5 Page 
ESMT
Package Outline Drawing
SOT-23-6
EMD2095
Symbol
A
A1
b
c
D
E
E1
e
L
Dimension in mm
Min. Max.
0.90 1.45
0.00 0.15
0.30 0.50
0.08 0.25
2.70 3.10
1.40 1.80
2.60 3.00
0.95 BSC
0.30 0.60
Elite Semiconductor Memory Technology Inc.
Publication Date:Nov. 2013
Revision: 0.1 11/13
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet EMD2095-00VC06NRR.PDF ] | |
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