OZ9972 схема включения, описание

Микросхема OZ9972, Производитель- O2micro®

FEATURES
• OZ9972: System synchronization for dimming and operation frequency
• Full-bridge topology
• Integrated high side N-MOSFET driver
• High drive capability and soft start function
• Constant operating frequency
• Built-in intelligence to manage lamp ignition and normal operation of CCFLs
• Open-lamp, over-voltage, over-current, and under-voltage lockout protection
• User-defi ned striking and shutdown delay timers
• Soft start function

GENERAL DESCRIPTION
OZ9972/72A are high performance, Pulse Width Modulation (PWM) controllers
designed for large-size LCD TV applications requiring multiple lamps. They achieve
high effi ciency power conversion with minimal switching loss in a PWM, full-bridge,
N-Channel MOSFET topology.
OZ9972/72A provide high drive capability, support a wide input range, and provide a
constant, user-defi ned operating frequency.

Схема включения

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