Coilcraft, Inc. 2005
Specifications subject to change without notice.
Please check our website for latest information.
CCFLTransformers
Document 293 -1
Document 293-1
Revised 05/16/05
1. Inductance is measured across both halves of the primary.
2. Vrms = continuous voltage.
3. Vinst = instantaneous voltage at startup.
4. Ambient operating temperature range
40°C to +85°C.
5. Electrical specifications at 25°C.
C
2
3
6
4
7
Primary
Secondary
2
1
A
3
5
8
4
9
Primary
Secondary
Feedback
Primary
Secondary
Feedback
B
2
1
3
5
3
4
9
D
1
2
3
4
6
5
7
Primary
Secondary
Feedback
Schematics
The FL Series of transformers is designed for use in cold
cathode fluorescent lamp (CCFL) power supplies at oper-
ating frequencies up to 100 kHz.
With output power from 3.5 to 6.0 Watts, these transform-
ers are ideal for LCD backlight applications. They are
available in four different gull wing or surface mount
packages, including one in-board configuration for height
restricted designs. Isolation is tested for one minute at
1500 Vrms between the primary and secondary windings
and from each winding to the core.
Free evaluation samples are available by contacting
Coilcraft or ordering them on-line at www.coilcraft.com.
Part
Turns ratio
Output Inductance2
Imax
Vrms3
Vinst max4
DCR max (Ohms)
number1
Schematic Package
pri : sec
pri : fb
(Watts)
nom (H)
sec (mA) pri
sec
pri
sec
pri
sec
fb
FL2015-1
B
1
1 : 67
1 : 0.19
6.0
43
5.0
22
1600
25.0
2000
0.220
285
0.10
FL2015-2
A
1
1 : 67
1 : 0.19
6.0
43
5.0
23
1600
29.0
2000
0.220
285
0.10
FL2015-3
A
1
1 : 100
1 : 0.25
6.0
19
5.0
16
1600
20.0
2000
0.190
285
0.10
FL2015-4
A
1
1 : 50
1 : 0.14
6.0
44
7.0
32
1600
40.0
2000
0.220
165
0.10
FL2015-5
A
1
1 : 125
1 : 0.38
6.0
20
7.0
12
1600
16.0
2000
0.160
330
0.10
FL2015-6
B
1
1 : 67
1 : 0.19
6.0
48
11.0
23
1600
29.0
2000
0.160
176
0.10
FL2015-7
A
1
1 : 67
1 : 0.19
6.0
50
11.0
23
1600
29.0
2000
0.160
176
0.10
FL2015-8
A
1
1 : 86
1 : 0.21
6.0
31
11.0
18
1600
23.0
2000
0.132
176
0.10
FL2015-9
A
1
1 : 100
1 : 0.25
6.0
22
11.0
16
1600
20.0
2000
0.132
176
0.10
FL2015-10
A
1
1 : 93
1 : 0.25
4.5
40
11.0
17
1600
21.0
2000
0.175
675
0.50
FL3209-1
C
2
1 : 100
—
3.5
48
5.0
16
1600
20.0
2000
0.350
400
—
FL3209-2
D
2
1 : 93
1 : 0.17
3.5
40
5.0
17
1600
21.0
2000
0.350
800
0.08
FL3209-3
C
3
1 : 100
—
3.5
48
5.0
16
1600
20.0
2000
0.350
400
—
FL3209-4
D
3
1 : 93
1 : 0.17
3.5
40
5.0
17
1600
21.0
2000
0.400
800
0.08
FL2810-1
C
4
1 : 100
—
4.5
35
7.0
15
1500
16.5
1650
0.220
5 0 0
—