Flyback Transformer - 4, 7 & 13 Watts
Induct-
DCR
DCR
Leakage
Primary Turn Ratios
Dimen-
Part
ance
Primary Secondary Inductance Current Schm 1: Pins pri(1-3):fb(5-6):v1(12-7): v2(11-8): v3(10-9) Sche- sion
Number
Watts (μH)
Output
(Ω)
(Ω)
e (μH) typ. Pk (Adc) Schm 2: Pins pri(1-3):fb(5-6): v1(12-10):v2(11-9)
matic Size
PoE4W3x3.3-R
PoE4W3x5.0-R
PoE4W2x12-R
PoE7W3x3.3-R
PoE7W3x5.0-R
PoE7W2x12-R
PoE13W3x3.3-R 13
PoE13W3x5.0-R 13
PoE13W2x12-R
4
4
4
7
7
7
200
200
(3)x3.3V@0.45A
(3)x5.0V@0.30A
0.5
0.5
0.5
0.275
0.275
0.07
0.27
0.74
0.03
0.095
0.25
0.032
0.075
0.28
2.75
2.5
1.4
1
1
1
1.5
1.2
1
0.65
0.65
0.65
1
1
1
1.6
1.6
1.7
1 : 0.52 : 0.16 : 0.16 : 0.16 +/-1%
1 : 0.52 : 0.26 : 0.26 : 0.26 +/-1%
1 : 0.52 : 0.60 : 0.60 +/-1%
1 : 0.529 : 0.176 : 0.176 : 0.176 +/-1%
1 : 0.529 : 0.265 : 0.265 : 0.265 +/-1%
1 : 0.529 : 0.588 : 0.588 +/-1%
1 : 0.529 : 0.176 : 0.176 : 0.176 +/-3%
1 : 0.529 : 0.265 : 0.265 : 0.265 +/-3%
1 : 0.529 : 0.647 : 0.647 +/-3%
1
1
2
1
1
2
1
1
2
1
1
1
1
1
1
2
2
2
200 (2)x12.0V@0.20A
100
100
100 (2)x12.0V@0.30A 0.275
100
100
(3)x3.3V@0.75A
(3)x5.0V@0.50A
(3)x3.3V@1.35A
(3)x5.0V@0.90A
0.25
0.25
0.25
13
100 (2)x12.0V@0.60A
Induct-
ance
DCR
DCR
Leakage
Primary Turn Ratios
Dimen-
Sche- sion
Part
Primary Secondary Inductance Current Schm 2: Pins pri(1-3):fb(5-6):v1(12-10):v2(11-9)
Number
Watts (μH)
Output
(Ω) V1/V2/V3 e (μH) typ. Pk (Adc) Schm 3: Pins pri(1-3):fb(5-6):v1(12-11):v2(10-9):v3(8-7) matic Size
PoE13W3VERS-R 13
100
100
V1:7.0V@1.1A,
V2:(1)x3.3V@1.1A,
V3:1.8V@1.1A
V1:5.0V@1.6A,
V2:3.3V@1.6A
0.25 0.025/0.0
42:0/085
1
1.7
1.7
1 : 0.529 : 0.350 : 0.176 : 0.088 +/-3%
1 : 0.529 : 0.265 : 0.176 +/-3%
3
2
2
2
PoE13W2VERS-R 13
0.25 0.023/0.0
38/na
1.2
For full product information and a listing of all available inductor values, see http://www.cooperbussmann.com/datasheets/elx, Data sheet number 4316.
Dimensions - mm
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
max.
ref.
max.
ref.
max.
ref.
ref.
ref.
ref.
ref.
max.
Size 1 17.1
Size 2 18.0
16.0
18.0
22.3
24.6
0.7
0.7
8.4
10.0
3.0
3.3
0.1
0.1
0.4
0.4
14.49
14.25
1.79
1.75
3.43
3.43
16.88 23.74
2.54
2.5
0.75
0.75
19.14
26.0
Recommended Pad Layout
M
Front View
Top View
White Dot Pin #1
12
7
1
6
D
E
L
(12 plcs)
O
PoE
(10plcs)
A
1
12
G
F
H
J
(12 plcs)
(2 plcs)
(12 plcs)
(12plcs)
Component Side
I
N
(10plcs)
6
B
C
7
K
(12plcs)
1) Tolerances A - H are ± 0.25mm unless specified otherwise. 2) Tolerances I - O are ± 0.10mm unless specified otherwise. 3) All soldering surfaces are co-planer to within ± 0.102mm.
Schematics
Schematic 1
Schematic 2
Schematic 3
Output
Output
Primary
Primary
Primary
Output
Output
Output
Output
Output
Feedback
Output
Feedback
Feedback
COOPER [ COOPER BUSSMANN, INC. ]
