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QUASI-RESONANT FLYBACK

SWITCHING REGULATORS

TYPICAL QUASI-RESONANT FLYBACK CONVERTER

WARNING: lethal potentials are present. See below.

APPLICATIONS INFORMATION

Circuit designs that embody these components must conform with applicable safety requirements.

Precautions 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.

Recommended mounting hardware torque:

4.34 – 5.79 lbf•ft (6 – 8 kg•cm or 0.588 – 0.784 Nm).

Recommended metal-oxide-filled, alkyl-degenerated oil base, silicone grease:

Dow Corning 340, or equivalent

+

+ OUTPUT

– OUTPUT

+

Dwg. EK-005A

R

SQ

7

+

+

+

+

9

6

8

4

3

1

2

5

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