PFS757HG POWERINT [Power Integrations, Inc.], PFS757HG Datasheet
PFS757HG
Manufacturer Part Number
PFS757HG
Description
Combined Two-Switch Forward and Flyback Power Supply Controllers with Integrated High Voltage MOSFETs
Manufacturer
POWERINT [Power Integrations, Inc.]
Datasheet
1.PFS757HG.pdf
(36 pages)
TFS757-764HG
HiperTFS Family
Combined Two-Switch Forward and Flyback Power Supply Controllers
with Integrated High Voltage MOSFETs
Key Benefits
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•
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Figure 1.
www.powerint.com
•
Input
Single chip solution for two-switch forward main and flyback
standby
High integration allows smaller form factor and higher power
density designs
Transformer reset control
•
Allows >50% duty cycle operation
Standby supply provides built-in overload power compensation
Up to 434 W total output power in a highly compact package
•
Simple clip mounting to heat sink without need for insulation pad
Halogen free and RoHS compliant
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DC
Reduces primary side RMS currents and conduction losses
Prevents transformer saturation under all conditions
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
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
FB
Simplified Schematic of Two-Switch Forward and Flyback Converter.
EN
EN
FB
L
HiperTFS
™
Gate Drivers,
Level Shift
Control,
VDDH
G
S
HD
HS
D
R
DSB
BP
Applications
•
•
•
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•
Output Power Table
Table 1.
TFS757HG
TFS758HG
TFS759HG
TFS760HG
TFS761HG
TFS762HG
TFS763HG
TFS764HG
PC
Printer
LCD TV
Video game consoles
High-power adapters
Industrial and appliance high-power adapters
Product
Output Power Table (See Notes on page 13).
Two-Switch Forward
Transformer
Transformer
Flyback
Continuous
193 W
236 W
280 W
305 W
326 W
360 W
388 W
414 W
(25 °C)
Two-Switched Forward
Continuous
163 W
200 W
235 W
258 W
276 W
304 W
327 W
344 W
(50 °C)
380 V
EN
228 W
278 W
309 W
358 W
383 W
407 W
455 W
530 W
(50 °C)
Peak
PI-6200-102910
FB
Auxiliary/Standby
February 2011
100 V - 400 V
Main Output
Output
Flyback
RTN
50 °C
20 W
20 W
20 W
20 W
20 W
20 W
20 W
20 W
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