PFS757 Datasheet (Power Integrations) - (PFS757 - PFS764) Combined Two-Switch Forward and Flyback Power Supply Controllers

PFS757, (PFS757 - PFS764) Combined Two-Switch Forward and Flyback Power Supply Controllers

3 Product Highlights 3 Pin Functional Description 5 Pin Configuration 5.

Functional Block Diagram6-7.

Functional Description 8 Output Power Table 13 Design, Assembly, and Layout Considerations 14 Application Example 20 Absolute Maximum Ratings 23 Parameter Table 23 Typical Performance Cha

PFS757 Features

* include: UV, OV, OTP, OCP, and SCP

* Transformer reset control

* Prevents transformer saturation under all conditions

* Allows >50% duty cycle operation

* Reduces primary side RMS currents and conduction losses

* Standby supply provides built-in overload