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PDF SFDLB3902F Data sheet ( Hoja de datos )
| Número de pieza | SFDLB3902F | |
| Descripción | Smart Force LED Driver | |
| Fabricantes | ERG | |
| Logotipo |  |
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SFDLB3902F
Specifications and
Applications Information
06/24/09
Preliminary
Smart Force LED
Driver
The ERG Smart Force Series of LED Drivers are specifically
designed for applications which require wide dimming and LCD
brightness stability over a wide input voltage range. The
SFDLB3902F is designed to provide backlight power for the
Sharp LQ070Y3LG4A display.
Designed, manufactured and supported within the USA, the
SFDL features:
9 Less than 8 mm in height
9 Wide input voltage range
9 Constant LED current
9 External or internal dimming
9 High dimming ratio
9 Separate enable & dimming function
9 Soft start
9 One year warranty
Package Configuration
.830
[21,08]
.14
[3,6] Output
1
3.93
[99,8]
3.180
[80,77]
Input Connector
Molex
53261-0871
J1-1 Vin(+)
J1-2 Vin(+)
J1-3 GND
J1-4 GND
J1-5 Enable
J1-6 Vin(+)
J1-7 Control
J1-8 GND
Connectors
Output Connector *
Molex
53261-1271
J2-1 Cathode 1 J2-7 (do not use)
J2-2 Anode 1 J2-8 (do not use)
J2-3 (do not use) J2-9 Cathode 3
J2-4 (do not use) J2-10 Anode 3
J2-5 Cathode 2 J2-11 (do not use)
J2-6 Anode 2 J2-12 (do not use)
* Requires harness
ERG part number H11206XXX recommended
.125
[3,18]
dia. (3x)
1
1.10
[27,9]
Mass: 17 grams
2.105
[53,47]
Input .14
[3,6]
page 1 of 5.
1 page  
SFDLB3902F
EXTERNAL PWM DIMMING
Graph 2
+12V
1,2 Vin
3,4
GND
Anode 1
Cathode 1
6 Vin
On/Off Control
0V On, 5V Off
(or float pin to
always enable)
J1
7
Control
Duty Cycle
8
GND
0% - 100%
5V
0V
5
Enable
Anode 2
Cathode 2
Anode 3
Cathode 3
J2
Research Gr
U® L
O
9I0S0T1E RED
FI
A33
Figure 2
Endicott Research Group, Inc. (ERG) reserves the right to make changes in circuit design and/or
specifications at any time without notice. Accordingly, the reader is cautioned to verify that data sheets
are current before placing orders. Information furnished by ERG is believed to be accurate and
reliable. However, no responsibility is assumed by ERG for its use.
page 5 of 5.
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet SFDLB3902F.PDF ] | |
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