str-s6703 Allegro MicroSystems, Inc., str-s6703 Datasheet - Page 5

• Manufacturer Part Number: str-s6703
• Description: Off-line Switching Regulators ? With Bipolar Switching Transisto
• Manufacturer: Allegro MicroSystems, Inc.

Recommended mounting hardware torque:
Recommended metal-oxide-filled, alkyl-degenerated oil base, silicone grease:
4.34 Ð 5.79 lbf¥ft (6 Ð 8 kg¥cm or 0.588 Ð 0.784 Nm).
Dow Corning 340, or equivalent
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WARNING Ñ
7
designs that embody these components must conform with applicable safety requirements. Precau-
tions must be taken to prevent accidental contact with power-line potentials. Do not connect
grounded test equipment.
The use of an isolation transformer is recommended during circuit development and breadboarding.
9
TYPICAL QUASI-RESONANT FLYBACK CONVERTER
These devices are designed to be operated at lethal voltages and energy levels. Circuit
WARNING: lethal potentials are present. See text.
R
S
Q
APPLICATIONS INFORMATION
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+
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8
5
4
1
3
2
6
QUASI-RESONANT FLYBACK
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SWITCHING REGULATORS
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STR-S6703
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AND
STR-S6704
OFF-LINE
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VOLTAGE
SENSE
Dwg. EK-004A
+ OUTPUT
Ð OUTPUT