EPC3117S-X_07 Datasheet, PDF (1/1 Pages) PCA ELECTRONICS INC. – Push-Pull Low Power Transformer

Push-Pull Low Power Transformer
ELECTRONICS INC.
EPC3117S-X & EPC3117S-X-LF
• Designed for use with Maxim MAX 845
• Used in SMPS Push-Pull Topology
• UL 94V-0 Recognized Components
• UL 1446 Class B Insulation System
• Add “-LF” after part number for Lead-Free
• Switching Frequency : 250 KHz-1 Mhz
• 8 Pin SOIC PCMCIA Package
• 700 Vdc Minimum Isolation
• Very Low Core Loss
Electrical Parameters @ 25° C
PCA
Part
Number
Voltage
(V)
Primary
OCL
(µH Typ.)
Turns
Ratio
(Pri. to Sec.)
ET
(V-µSec.)
Duty Cycle
(%)
Rectification
(Half or Full Wave)
V in
V out @ 100 KHz, 0.1 Vrms
Pri. :Sec.
@ 350 KHz
Connections
EPC3117S-1(-LF)
3.3
5
{ ^{EPC3117S-2(-LF)}
5
5
5
10
*EPC3117S-3(-LF)
5
10
{ ^{*EPC3117S-4(-LF)}
5
5
12
24
EPC3117S-5(-LF)
3.3
5
EPC3117S-6(-LF)
5
5
EPC3117S-7(-LF)
5
12
EPC3117S-8(-LF)
5
15
150
1:1:2:2
7.1
75
† Output Center Tap
375
1:1:1.3:1.3
11
75
† Output Center Tap
375
1:1:1.3:1.3
11
75
Voltage Doubler
375
1:1:2.67:2.67
11
75
† Output Center Tap
375
1:1:3:3
11
80
† Output Center Tap
375
1:1:3:3
11
80
Voltage Doubler
150
1:1:1:1
7.1
75
Voltage Doubler
375
1:1:.67:.67
11
75
Voltage Doubler
375
1:1:1.5:1.5
11
80
Voltage Doubler
375
1:1:2:2
11
75
Voltage Doubler
• † Connections : Output Center Tap as Common/Return • Operating Temperature : -40°C to +85°C •
Package
Application
.070
(1.78)
.290
(7.37)
.050
(1.27)
.090
(2.29)
Pin 1
I.D.
PCA
EPC3117S(-LF)
Date Code
.270
(6.86)
.420 Pad
(10.67) Layout
.150
(3.81)
*.098 Max. (2.49) for EPC3117S-3/-4
.088 Max. (2.24)
.003/.010
(.076/.254)
0°-8°
.030
(.762)
.008/.012
(.203/.304)
.018/.022
(.457/.559)
.050
(1.27)
.025
(.635)
.365
(9.27)
V in 5V
46
SD Vcc
1
D1
MAXIM
MAX845
3
8
FS
D2
Frequency
Select
Gnd1 Gnd2
2
7
C1
CR1
T1
CR2
Schematic
Pri.
Sec.
1
8
2
7
Output
5V
@ 150 mA
C2
C3
Notes :
1. Assembly Process (Solder Composition)
2. Peak Temperature Rating
3. Weight
4. Packaging Information
(Tube)
EPC3117S
SnPb
225°C
(10 +2/-0) Seconds
0.3 grams
65 pcs / tube
EPC3117S-LF
Hot Tin Dip (Sn)
260°C
(10 +2/-0) Seconds
0.3 grams
65 pcs / tube
3
6
4
5
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
Unless Otherwise Specified Dimensions are in Inches /mm ± .010 /.25
Product performance is limited to specified parameters. Data is subject to change without prior notice.
CSC3117S & -LF Rev. 4 6/5/07 JDG
TEL: [phone]
FAX: [phone]
http://www.pca.com