DESCRIPTION

· High-voltage resonant controller designed for various power supply applications.

· Not recommended for new designs as of February 2009.

FEATURES

· 50% duty cycle with variable frequency control for resonant half-bridge.

· High-accuracy oscillator supporting up to 500 kHz operating frequency.

· Two-level OCP: frequency-shift and latched shutdown.

· Interface compatibility with PFC controller.

· Latched disable input and burst-mode operation at light load.

· Non-linear soft-start for monotonic output voltage rise.

· 600 V-rail compatible high-side gate driver with integrated bootstrap diode.

· -300/800 mA high-side and low-side gate drivers with UVLO pull-down.

· Available in DIP-16 and SO-16N packages.

APPLICATIONS

· LCD and PDP TV power supplies.

· Desktop PC and entry-level server power supplies.

· Telecom SMPS and AC-DC adapters.

· Open frame SMPS applications.