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Flyback Transformers (Telecom extended input, 10 – 72 Vdc)

Input range:  Telecom (36 – 72 Vdc)  |  Telecom (36 – 57 Vdc)  |  3.3 – 36 Vdc  |  400 Vdc  |  AC line

If no transformer meets your design criteria, review the application note Using Standard Transformers in Multiple Applications, consult the Coilcraft Structured Design Guide for Switching Transformers for a step-by-step guide to transformer design, or contact Coilcraft for assistance.

Can these transformers be used in different applications or topologies?

Power
(W)
Output L at 0 A
(µH)
Pri : sec
tutrns ratio
Nom
freq. (kHz)
Part number
Click for details
Designed for
Telecom extended input (10 – 57 Vdc)
13 3.3 V, 3.9 A 40 1 : 0.29 300 HA3585-BL Akros AS1113
13 5.0 V, 2.6 A 40 1 : 0.36 300 HA3586-BL Akros AS1113
30 3.3 V, 9.1 A 30 1 : 0.176 300 HA3809-AL Akros AS1135
Telecom extended input (14 – 60 Vdc)
11.6 3.3 V, 2 A
5 V, 1 A
35 1 : 0.167
1 : 0.28
1000 DA2257-AL TI LM5071
Telecom extended input (16 – 32 Vdc)
5.0 5 V, 1 A 160 1 : 0.25 250 FA2636-AL TI LM5001
Telecom extended input (18 – 57 Vdc)
25 3.3 V, 7.5 A  50 1 : 0.12 250 FA2677-AL TI LM5072
25 5 V, 5 A  50 1 : 0.18 250 FA2898-AL TI LM5072
25 9 V, 2.8 A  50 1 : 0.35 250 FA2899-AL TI LM5072
25 12 V, 2.1 A  50 1 : 0.47 250 FA2900-AL TI LM5072
25 15 V, 1.7 A  50 1 : 0.59 250 FA2901-AL TI LM5072
30 15 V, 2 A 10 1 : 0.667 100 A9967-AL Linear LT1725 
Telecom extended input (18 – 72 Vdc)
2.2 3.3 V, 0.2 A
2.5 V, 0.6 A
255 1 : 0.10
1 : 0.075
275 C1154-BL Maxim MAX5941A
8.3 3.3 V, 2.5 A 133 1 : 0.13 275 C1099-AL Maxim MAX5941A 
10 3.3 V, 3 A  166.5 1 :0.15 500 C1173-AL TI TSP23750
10 5 V, 2 A 150 1 : 0.20 500 C1174-AL TI TSP23750
10 12 V, 0.83 A 166.5 1 : 0.05 500 GA3562-AL TI TSP23750
Telecom extended input (24 – 60 Vdc)
20 3.3 V, 4 A  127 1 : 0.16 250 DA2383-AL TI LM5071
             

1:0.36
1:0.36
1:0.10
1:0.075
1:0.19
1:0.19
1:0.28
1:0.28
1:0.70
1:0.70
1:0.07
1:0.063
1:0.063
1:0.08
1:0.083
1:0.083
1:0.11
1:0.10
1:0.10
1:0.15
1:0.143
1:0.143
1:0.35
1:0.333
1:0.333
1:0.333
1:0.19
1:0.19
1:0.262
1:0.262
1:0.667
1:0.667
1:0.13
1:0.15
1:0.104
1:0.042
1:0.042
1:0.33
1:0.12
1:0.40
1:0.20
1:0.167
1:050
1:1
1:0.20
1:0.167
1:0.28
1:0.07
1:0.08
1:0.11
1:0.166
1:0.25
1:0.15
1:0.25
1:0.25
1:0.35
1:0.50
1:0.57
1:0.567
1:0.67
1:0.667
1:0.31
1:0.23
1:0.19
1:0.40
1:1
1:0.09
1:0.14
1:0.33
1:0.24
1:0.56
1:0.67

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Updated: March 14, 2017