EPC3205G-X_12 Datasheet, PDF (1/2 Pages) PCA ELECTRONICS INC. – Photoflash Flyback Transformer

Photoflash Flyback Transformer
ELECTRONICS INC.
EPC3205G-X & EPC3205G-X-LF
• Used as Flyback Transformer in High Voltage Photoflash Capacitor Charger
• Designed for use with Linear Technology Chip
• Add “-LF” after part number for Lead Free
• Operating Temperature : -40°C to +85°C
• UL 94V-0 Recognized Components
• UL 1446 Class B Insulation System
• Isolation : 500 Vrms
PCA
Part
Number
Chipset
EPC3205G-1A(-LF)
EPC3205G-2(-LF) _{
EPC3205G-3(-LF)
EPC3205G-4(-LF)
EPC3205G-5(-LF)
EPC3205G-6(-LF)
EPC3205G-7(-LF)
EPC3205G-8(-LF)
LT3468
LT3468
LT3468-2
LT3468
LT3468-2
LT3468-1
LT3420
LT3420
LT3420-1
Electrical Parameters @ 25° C
Voltage
(Vdc)
Primary Peak
Current
(A Max.)
Turns
Ratio
Primary OCL
@ 0Adc
(µH ± 15%)
V in
V out
Pri:Sec @ 100 KHz,
0.1 Vrms
2.5-5.0 320
2.5-5.0 320
2.5-5.0 320
2.5-4.0 320
2.5-5.0 320
2.5-5.0 320
1.8-5.0 320
1.8-6.0 320
1.8-5.0 320
1.4
1:10.2
20.0
1.4
1:10.2
12.3
1.0
1:10.2
12.3
1.4
1:10.2
10.0
1.0
1:10.2
10.0
0.7
1:10.2
15.0
1.4
1:12
25.0
1.4
1:12
24.0
1.0
1:10.2
15.0
Leakage
Inductance
(µH Typ.)
@ 100 KHz,
0.1 Vrms
0.200
0.130
0.130
0.200
0.300
0.300
0.130
0.080
0.100
DCR
(Ω Max.)
Pri. Sec.
0.300 ²⁵
0.230 ²¹
0.230 ²¹
0.250 ²⁵
0.300 ³⁷
0.300 ³⁷
0.160 ¹⁸
0.160 ¹⁸
0.230 ¹⁸
Package/
Schematic
B/1
A/1
A/1
E/2
E/2
E/2
B/1
D/3
C/1
Schematic 1
T1
1
4
Pri.
Sec.
2
3
Schematic 2
T1
1
6
Pri.
Sec.
2
4
Schematic 3
T1
5,6
8
Pri.
Sec.
3,4
1
LT3420 320V Photoflash Capacitor Charging Circuit
VBAT
1.8V-10V
C1
4.7µF
Flyback
Transformer
T1
D1
Pri.
Sec.
320V
Trigger
Transformer
T2
VCC
2.5V-10V
C2
4.7µF
Charge
Done
R2
51.1k
2
36
4 _{VBAT RFB SW}
7
SEC
LT3420
9
8
CT
10
C3
0.1µF
RREF ¹
GND
5
C4 +
220µF
330V
Photoflash
Capacitor
Pri.
Sec.
Flash
Notes :
1. Assembly Process (Solder Composition)
EPC3205G-X
SnPb
EPC3205G-X-LF
Pb-Free
2. Peak Solder Rating
(per IPC/JEDEC-J-STD-020C)
3. Moisture Sensitive Levels (MSL)
(per IPC/JEDEC-J-STD-020C)
4. Weight
225°C
260°C
1
1
(Unlimited, ≤30°C/60%RH) (Unlimited, ≤30°C/60%RH)
TBD grams
TBD grams
5. Packaging Information
(Tube)
TBD pcs / tube
TBD pcs / tube
Bold Lines Indicate
High Current Paths
Package Drawings Next Page
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.
CSC3205G-X & -LF Rev. 8 06/13/12 FT
TEL: [phone]
FAX: [phone]
http://www.pca.com