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OZ960D

O2Micro
Part Number OZ960D
Manufacturer O2Micro
Description Intelligrnt CCFL Inverter Controller
Published Jan 14, 2022
Detailed Description OZ960 Intelligent CCFL Inverter Controller FEATURES • Supports wide-range voltage input applications (8v to 20v) • Buil...
Datasheet PDF File OZ960D PDF File

OZ960D
OZ960D

Overview
OZ960 Intelligent CCFL Inverter Controller FEATURES • Supports wide-range voltage input applications (8v to 20v) • Built-in intelligence to manage ignition and normal operation of CCFLs • Reduces the number of components and board size by 30% compared with conventional designs • 85% efficiency vs.
typical 70% efficiency of conventional designs • Zero-voltage-switching full bridge topology • Built-in internal open-lamp and over-voltage protections • Integrated burst mode control, and wide dimming range (10% to 100%) with integrated burst mode control • Supports multiple CCFL lamps • Simple and reliable 2-winding transformer design • Constant-frequency design eliminates interference with LCDs • Low stand-by power ORDERING INFORMATION OZ960S - 20-pin plastic SSOP 150mil OZ960IS - 20-pin plastic SSOP 150mil OZ960G - 20-pin plastic SOP 300mil OZ960IG - 20-pin plastic SOP 300mil OZ960D - 20-pin plastic DIP 300mil OZ960ID - 20-pin plastic DIP 300mil GENERAL DESCRIPTION The OZ960 is a unique, high-efficiency, Cold Cathode Fluorescent Lamp (CCFL) backlight inverter controller that is designed for wide input voltage inverter applications.
Additionally, the OZ960 performs the lamp dimming function with an analog voltage or low frequency Pulse Width Modulation (PWM) control.
Operating Principle: Operating in a zero-voltage switching, full-bridge configuration, the inverter circuit achieves a very high efficiency power conversion.
In addition, the transformer in the OZ960 does not require any specific gap-less arrangement.
The simple, low cost transformer provides designers a high degree of design flexibility in specifying transformers.
Setting the switching frequency higher than the resonant frequency of a highquality-factor resonant tank circuit yields a good- quality waveform received, at the CCFL voltage and current.
The OZ960 operates at a single, constant frequency in a phase-shift PWM mode.
Intelligent open-lamp and over-voltage protections provide design flexibility so...


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