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TFS757 Datasheet(PDF) 1 Page - Power Integrations, Inc.

Part # TFS757
Description  Combined Two-Switch Forward and Flyback Power Supply Controllers with Integrated High Voltage MOSFETs
PDF  36 Pages
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Manufacturer  POWERINT [Power Integrations, Inc.]
Direct Link  http://www.powerint.com
Logo POWERINT - Power Integrations, Inc.

TFS757 Datasheet(HTML) 1 Page - Power Integrations, Inc.

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TFS757-764HG
HiperTFS Family
www.power.com
April 2015
Combined Two-Switch Forward and Flyback Power Supply Controllers
with Integrated High Voltage MOSFETs
™
HD
DC
Input
Main Output
Auxiliary/Standby
Output
RTN
G
S
HiperTFS
VDDH
L
FB
FB
EN
EN
BP
DSB
EN
FB
Control,
Gate Drivers,
Level Shift
R
D
HS
PI-6200-102910
Two-Switch Forward
Transformer
Flyback
Transformer
Figure 1.
Simplified Schematic of Two-Switch Forward and Flyback Converter.
Key Benefits
•
Single chip solution for two-switch forward main and flyback
standby
•
High integration allows smaller form factor and higher power
density designs
•
Incorporates control, gate drivers, and three power
MOSFETS
•
Level shift technology eliminates need for pulse transformer
•
Protection 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 compensation
•
Up to 434 W total output power in a highly compact 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 RoHS compliant
Applications
•
PC
•
Printer
•
LCD TV
•
Video game consoles
•
High-power adapters
•
Industrial and appliance high-power adapters
Output Power Table
Product
Two-Switched Forward
380 V
Flyback
100 V - 400 V
Continuous
(25 °C)
Continuous
(50 °C)
Peak
(50 °C)
50 °C
TFS757HG
193 W
163 W
228 W
20 W
TFS758HG
236 W
200 W
278 W
20 W
TFS759HG
280 W
235 W
309 W
20 W
TFS760HG
305 W
258 W
358 W
20 W
TFS761HG
326 W
276 W
383 W
20 W
TFS762HG
360 W
304 W
407 W
20 W
TFS763HG
388 W
327 W
455 W
20 W
TFS764HG
414 W
344 W
530 W
20 W
Table 1. Output Power Table (See Notes on page 13).


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