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> 2007
> Philips STRF6656 smps controller, voltage-mode mosfet
Philips STRF6656 smps controller, voltage-mode mosfet
The Series STR-F6600 is specifically designed to satisfy the requirements
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.
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
industrial power supply units.
Cycle-by-cycle current limiting, under-voltage lockout with hysteresis,
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
overmolded TO-3P style package, affording dielectric isolation without
compromising thermal characteristics.
Flyback Operation with Quasi-Resonant Soft Switching
for Low Power Dissipation and EMI
Choice of MOSFET Voltage and rDS(on)
Full Over-Current Protection (no blanking)
Under-Voltage Lockout with Hysteresis
Low Start-up Current (<400 μA)
Low-Frequency, Low-Power Standby Operation
Series STR-F6620 . . . . . . . . . . . .
Series STR-F6630 . . . . . . . . . . . .
Series STR-F6650 . . . . . . . . . . . .
Series STR-F6670 . . . . . . . . . . . .
OCP . . . . . . . . . . . . . . . -0.3 V to +6 V
IN x IIN(ON)) . . . . . . . . . 0.8 W
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