OZ9986SLASH datasheet(48/56 Pages) ETC1

48 / 56 page

U.S. Patent #8,044,608; and more patents pending.

OZ8023/8025

GENERAL DESCRIPTION

The

OZ8023 is a voltage-mode, quasi-resonant converter controller suitable for

offline AC/DC flyback converter applications. It can be used as a single-stage

power factor correction controller for an isolated power supply or LED driver

applications.

The

OZ8025 is a controller for an isolated LED driver application. It provides a

proprietary three-step Free Dimming technology to control LEDs using an ON/

OFF wall switch.

APPLICATIONS

APPLICATION DIAGRAM

• Isolated LED Driver

FEATURES – OZ8023

• Quasi-resonant converter

controller

• Built-in high voltage start-up

circuit

• Voltage-mode control simplifies

circuit design

• Under-voltage lockout with

hysteresis

• Minimum off-time control for

light-load operation, maximizing

efficiency

• Excellent line-voltage regulation

• Provides complete protection

functions:

- Clamped gate drive output

- Over-voltage for IC bias voltage

- Cycle-by-cycle current limit

- Output short circuit; over load;

output over-voltage; and

internal thermal

FEATURES – OZ8025

• Secondary side LED controller

• Three-step analog dimming

control using wall switch

• Low operating current

• Provides complete protection

functions:

- VDD over-voltage

- Output over-voltage

- Internal thermal

OZ9986/ Datasheet(PDF) 48 Page - List of Unclassifed Manufacturers

OZ9986/ Datasheet(HTML) 48 Page - List of Unclassifed Manufacturers

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