EPC3205G-x
EPC3205G-x is Photoflash Flyback Transformer manufactured by PCA ELECTRONICS.
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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 ponents
- UL 1446 Class B Insulation System
- Isolation : 500 Vrms
Electrical Parameters @ 25° C
PCA Part Number Chipset Voltage (Vdc) V in EPC3205G-1(-LF) EPC3205G-2(-LF) EPC3205G-3(-LF) EPC3205G-4(-LF) EPC3205G-5(-LF) EPC3205G-6(-LF) EPC3205G-7(-LF) EPC3205G-8(-LF) LT3468-1 LT3468 LT3468-2 LT3468 LT3468-2 LT3468-1 LT3420 LT3420 LT3420-1 2.5-5.0 2.5-5.0 2.5-5.0 2.5-4.0 2.5-5.0 2.5-5.0 1.8-5.0 1.8-6.0 1.8-5.0 V out 320 320 320 320 320 320 320 320 320 0.7 1.4 1.0 1.4 1.0 0.7 1.4 1.4 1.0 Primary Peak Current (A Max.) Turns Ratio Pri:Sec 1:10.2 1:10.2 1:10.2 1:10.2 1:10.2 1:10.2 1:12 1:12 1:10.2 Primary OCL @ 0Adc (µH ± 15%) @ 100 KHz, 0.1 Vrms 20.0 12.3 12.3 10.0 10.0 15.0 25.0 24.0 15.0 Leakage Inductance (µH Typ.) @ 100 KHz, 0.1 Vrms .200 .130 .130 .200 .300 .300 .130 .080 .100 DCR (Ω Max.) Pri. .300 .230 .230 .250 .300 .300 .160 .160 .230 Sec. 25 21 21 25 33 33 18 18 18 A/1 B/1 B/1 F/2 F/2 F/2 C/1 E/3 D/1 Package/ Schematic
Schematic 1
1 Pri. 2 3
T1
LT3420 320V Photoflash Capacitor Charging Circuit
4 Sec.
VBAT 1.8V-10V C1 4.7µF T1 1:12 5.6 8 D1 320V
Schematic 2
1 Pri. 2 4
VCC 2.5V-10V C2 4.7µF T1
Flying Lead T2
6 Sec.
2 3 6 4 VBAT RFB SW SEC LT3420 7 C4 + 220µF 330V Photoflash Capacitor
Schematic 3
5,6 Pri. 3,4 1
T1
8 Sec.
Charge Done
9 8 CT 10 C3 0.1µF
RREF GND 5
Flash
Notes : 1. Assembly Process (Solder position) 2. Peak Solder Rating
(per IPC/JEDEC-J-STD-020C)
EPC3205G-X Sn Pb 225°C 1 (Unlimited, ≤30°C/60%RH) TBD grams (Tube) TBD pcs / tube
EPC3205G-X-LF Pb-Free 260°C 1 (Unlimited, ≤30°C/60%RH) TBD grams TBD pcs /...