TFS757HG

TFS757-764HG HiperTFS Family Combined Two-Switch Forward and Flyback Power Supply Controllers with Integrated High Voltage MOSFETs Key Benefits Applications Single chip solution for two-switch forward main and flyback PC standby Printer High integration allows smaller form factor and higher power LCD TV density designs Video game consoles Incorporates control, gate drivers, and three power High-power adapters MOSFETS Industrial and appliance high-power adapters Level shift technology eliminates need for pulse transformer Protection features include: UV, OV, OTP, OCP, and SCP Output Power Table Transformer reset control Two-Switched Forward Flyback Prevents transformer saturation under all conditions 380 V 100 V - 400 V Product Allows >50% duty cycle operation Continuous Continuous Peak 50 C Reduces primary side RMS currents and conduction losses (25 C) (50 C) (50 C) Standby supply provides built-in overload power compensation TFS757HG 193 W 163 W 228 W 20 W Up to 434 W total output power in a highly compact package TFS758HG 236 W 200 W 278 W 20 W Up to 550 W peak TFS759HG 280 W 235 W 309 W 20 W High efficiency solution easily enables design to meet TFS760HG 305 W 258 W 358 W 20 W stringent efficiency specifications TFS761HG 326 W 276 W 383 W 20 W >90% efficiency at full load TFS762HG 360 W 304 W 407 W 20 W No-load regulation and low losses at light-load TFS763HG 388 W 327 W 455 W 20 W Simple clip mounting to heat sink without need for insulation pad TFS764HG 414 W 344 W 530 W 20 W Halogen free and RoHS compliant Table 1. Output Power Table (See Notes on page 13). Main Output HiperTFS VDDH HD HS L D Two-Switch Forward Transformer Auxiliary/Standby Output RTN DC Input Control, R Gate Drivers, Level Shift FB DSB EN FB Flyback Transformer FB BP EN EN G S PI-6200-102910 Figure 1. Simplified Schematic of Two-Switch Forward and Flyback Converter. www.power.com April 2015TFS757-764HG Section List Description .................................................................................................................................................................. 3 Product Highlights ...................................................................................................................................................... 3 Pin Functional Description ......................................................................................................................................... 5 Pin Configuration ...................................................................................................................................................... 5 Functional Block Diagram .....................................................................................................................................6-7 Functional Description ............................................................................................................................................... 8 Output Power Table ............................................................................................................................................... 13 Design, Assembly, and Layout Considerations .................................................................................................... 14 Application Example ................................................................................................................................................. 20 Absolute Maximum Ratings ..................................................................................................................................... 23 Parameter Table ..................................................................................................................................................... 23 Typical Performance Characteristics .................................................................................................................29-33 Package Details ........................................................................................................................................................ 34 Part Ordering Information......................................................................................................................................... 35 Part Marking Information ......................................................................................................................................... 35 2 Rev. E 04/15 www.power.com