PCA has developed a family of Surface Mount Low Power Push-Pull Transformers specially designed for use with Maxim 253/845. Among the many features in this family, PCA utilizes triple insulated PFA Teflon wire in the robust design of these transformers.
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Chipset
Controller
PCA Part No.
PDF
Topology
Geometry
Turns Ratio
Po
Lp
Vin
Aux
S1
Fsw
ET
MFG
Part No.
Pri : Aux : S1 : S2 : S3
Watts
uH
Min-Max
KHz
Watts
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MAX253
Maxim
EPA4452G-LF
Flyback-PoE
Toroidal
1CT:1CT
0.0
1020
N/A
N/A
N/A
0
22
MAX253,MAX3535E
Maxim
EPC3115S-1-LF
Push-Pull
Toroidal
1.000 : 1.000 : 2.000 : 2.000
0.0
394
3.3V
N/A
5V
350
MAX253,MAX3535E
Maxim
EPC3115S-2-LF
Push-Pull
Toroidal
1.000 : 1.000 : 1.300 : 1.300
0.0
988
5V
N/A
5V
350
MAX253,MAX3535E
Maxim
EPC3115S-3-LF
Push-Pull
Toroidal
1.000 : 1.000 : 2.67 : 2.67
0.0
988
5V
N/A
10V
350
MAX253,MAX3535E
Maxim
EPC3115S-4-LF
Push-Pull
Toroidal
1.000 : 1.000 : 3.000 : 3.000
0.0
988
5V
N/A
12V
350
MAX253,MAX3535E
Maxim
EPC3115S-5-LF
Push-Pull
Toroidal
1.000 : 1.000 : 1.000 : 1.000
0.0
394
3.3V
N/A
5V
350
MAX253,MAX3535E
Maxim
EPC3115S-6-LF
Push-Pull
Toroidal
1.000 : 1.000 : 0.67 : 0.67
0.0
988
5V
N/A
5V
350
MAX253,MAX3535E
Maxim
EPC3115S-7-LF
Push-Pull
Toroidal
1.000 : 1.000 : 1.500 : 1.500
0.0
988
5V
N/A
12V
350
MAX253,MAX3535E
Maxim
EPC3115S-8-LF
Push-Pull
Toroidal
1.000 : 1.000 : 2.000 : 2.000
0.0
988
5V
N/A
15V
350
MAX845
Maxim
EPC3117S-1-LF
Push-Pull
Toroidal
1.000 : 1.000 : 2.000 : 2.000
0.0
150
3.3V
N/A
5V
0
MAX845
Maxim
EPC3117S-2-LF
Push-Pull
Toroidal
1.000 : 1.000 : 1.300 : 1.300
0.0
375
5V
N/A
5V
0
MAX845
Maxim
EPC3117S-3-LF
Push-Pull
Toroidal
1.000 : 1.000 : 2.67 : 2.67
0.0
375
5V
N/A
10V
0
MAX845
Maxim
EPC3117S-4-LF
Push-Pull
Toroidal
1.000 : 1.000 : 3.000 : 3.000
0.0
375
5V
N/A
12V
0
MAX845
Maxim
EPC3117S-5-LF
Push-Pull
Toroidal
1.000 : 1.000 : 1.000 : 1.000
0.0
150
3.3V
N/A
5V
0
MAX845
Maxim
EPC3117S-6-LF
Push-Pull
Toroidal
1.000 : 1.000 : 0.67 : 0.67
0.0
375
5V
N/A
5V
0
MAX845
Maxim
EPC3117S-7-LF
Push-Pull
Toroidal
1.000 : 1.000 : 1.500 : 1.500
0.0
375
5V
N/A
12V
0
MAX845
Maxim
EPC3117S-8-LF
Push-Pull
Toroidal
1.000 : 1.000 : 2.000 : 2.000
0.0
375
5
N/A
15V
0
MAX253,MAX845
Maxim
EPC3126-1-LF
Push-Pull
Toroidal
1.000CT : 2.000CT
0.0
500
3.3V
N/A
15V
250
11
MAX253,MAX845
Maxim
EPC3126-2-LF
Push-Pull
Toroidal
1.000CT : 1.300CT
0.0
500
5V
N/A
5V
250
11
MAX253,MAX845
Maxim
EPC3126-3-LF
Push-Pull
Toroidal
1.000CT : 2.600CT
0.0
500
5V
N/A
10V
250
11
MAX253,MAX845
Maxim
EPC3126-4-LF
Push-Pull
Toroidal
1.000CT : 3.000CT
0.0
500
5V
N/A
12V
250
11
MAX253,MAX845
Maxim
EPC3126-5-LF
Push-Pull
Toroidal
1.000CT : 1.000CT
0.0
500
3.3V
N/A
5V
250
11
MAX253,MAX845
Maxim
EPC3126-6-LF
Push-Pull
Toroidal
1.000CT : 0.600CT
0.0
500
5V
N/A
5V
250
11
MAX253,MAX845
Maxim
EPC3126-7-LF
Push-Pull
Toroidal
1.000CT : 1.500CT
0.0
500
5V
N/A
12V
250
11
MAX253,MAX845
Maxim
EPC3126G-1-LF
Push-Pull
Toroidal
1.000CT : 2.000CT
0.0
500
3.3V
N/A
15V
250
11
MAX253,MAX845
Maxim
EPC3126G-2-LF
Push-Pull
Toroidal
1.000CT : 1.300CT
0.0
500
5V
N/A
5V
250
11
MAX253,MAX845
Maxim
EPC3126G-3-LF
Push-Pull
Toroidal
1.000CT : 2.600CT
0.0
500
5V
N/A
10V
250
11
MAX253,MAX845
Maxim
EPC3126G-4-LF
Push-Pull
Toroidal
1.000CT : 3.000CT
0.0
500
5V
N/A
12V
250
11
MAX253,MAX845
Maxim
EPC3126G-5-LF
Push-Pull
Toroidal
1.000CT : 1.000CT
0.0
500
3.3V
N/A
5V
250
11
MAX253,MAX845
Maxim
EPC3126G-6-LF
Push-Pull
Toroidal
1.000CT : 0.600CT
0.0
500
5V
N/A
5V
250
11
MAX253,MAX845
Maxim
EPC3126G-7-LF
Push-Pull
Toroidal
1.000CT : 1.500CT
0.0
500
5V
N/A
12V
250
11
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