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Allegro MicroSystems - STR-F6654

Numéro de référence F6654
Description STR-F6654
Fabricant Allegro MicroSystems 
Logo Allegro MicroSystems 





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F6654 fiche technique
Series STR-F6600
INTERIM DATA SHEET
OFF-LINE QUASI-RESONANT
www.dat(aSshuebejte4uc.ct otmo change without notice)
FLYBACK SWITCHING REGULATORSFebruary 22, 2000
The Series STR-F6600 is specifically designed to satisfy the require-
ments for increased integration and reliability in off-line quasi-resonant
flyback converters. The series incorporates a primary control and drive
circuit with discrete avalanche-rated power MOSFETs.
FDBK
OSC.
LATCH
Covering the power range from below 25 watts up to 300 watts for
100/115/230 VAC inputs, and up to 150 watts for 85 to 265 VAC
universal input, these devices can be used in a range of applications,
from battery chargers and set top boxes, to televisions, monitors, and
UVLO industrial power supply units.
OVP
TSD
Cycle-by-cycle current limiting, under-voltage lockout with hyster-
esis, over-voltage protection, and thermal shutdown protects the power
supply during the normal overload and fault conditions. Over-voltage
protection and thermal shutdown are latched after a short delay. The
latch may be reset by cycling the input supply. Low-current startup and
a low-power standby mode selected from the secondary circuit completes
a comprehensive suite of features. The series is provided in a five-pin
Dwg. PK-011-1
overmolded TO-3P style package, affording dielectric isolation without
compromising thermal characteristics.
ABSOLUTE MAXIMUM RATINGS
at TA = +25°C
Control Supply Voltage, VIN . . . . . . . . 35 V
Drain-Source Voltage, VDS
Series STR-F6620 . . . . . . . . . . . . 450 V
Series STR-F6630 . . . . . . . . . . . . 500 V
Series STR-F6650 . . . . . . . . . . . . 650 V
Series STR-F6670 . . . . . . . . . . . . 900 V
Drain Switching Current, ID . . .
Peak Drain Current, IDM . . . . . .
Avalanche Energy, EAS . . . . . . .
OCP/FB Voltage Range,
See Table
See Table
See Table
VOCP . . . . . . . . . . . . . . . -0.3 V to +6 V
Package Power Dissipation, PD
control (VIN x IIN(ON)) . . . . . . . . . 0.8 W
total . . . . . . . . . . . . . . . . . . . See Graph
FET Channel Temperature, TJ . . . +150°C
Internal Frame Temperature, TF . . +125°C
Operating Temperature Range,
TA . . . . . . . . . . . . . . . -20°C to +125°C
Storage Temperature Range,
TS . . . . . . . . . . . . . . . . -40°C to +125°C
FEATURES
s Flyback Operation with Quasi-Resonant Soft Switching
for Low Power Dissipation and EMI
s Rugged Avalanche-Rated MOSFET
s Choice of MOSFET Voltage and rDS(on)
s Full Over-Current Protection (no blanking)
s Under-Voltage Lockout with Hysteresis
s Over-Voltage Protection
s Direct Voltage Feedback
s Low Start-up Current (<400 µA)
s Low-Frequency, Low-Power Standby Operation
s Overmolded 5-Pin Package
Always order by complete part number, e.g., STR-F6652 .
TM

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