PFS757
PFS757 is Combined Two-Switch Forward and Flyback Power Supply Controllers manufactured by Power Integrations.
features include: UV, OV, OTP, OCP, and SCP
- Transformer reset control
- Prevents transformer saturation under all conditions
- Allows >50% duty cycle operation
- Reduces primary side RMS currents and conduction losses
- Standby supply provides built-in overload power pensation
- Up to 434 W total output power in a highly pact package
- Up to 550 W peak
- High efficiency solution easily enables design to meet stringent efficiency specifications
- >90% efficiency at full load
- No-load regulation and low losses at light-load
- Simple clip mounting to heat sink without need for insulation pad
- Halogen free and Ro HS pliant Applications
- PC
- Printer
- LCD TV
- Video game consoles
- High-power adapters
- Industrial and appliance high-power adapters Output Power Table
Product TFS757HG TFS758HG TFS759HG TFS760HG TFS761HG TFS762HG TFS763HG TFS764HG
Table 1.
Two-Switched Forward 380 V Continuous Continuous Peak (25 °C) (50 °C) (50 °C) 193 W 163 W 228 W 236 W 200 W 278 W 280 W 235 W 309 W 305 W 258 W 358 W 326 W 276 W 383 W 360 W 304 W 407 W 388 W 327 W 455 W 414 W 344 W 530 W
Flyback 100 V
- 400 V 50 °C 20 W 20 W 20 W 20 W 20 W 20 W 20 W 20 W
Output Power Table (See Notes on page 13).
Main Output Hiper TFS
VDDH
HS L
D Two-Switch Forward Transformer
Auxiliary/Standby Output
DC Input
RTN Control, Gate Drivers, Level Shift
DSB Flyback Transformer FB EN
EN G...