OZ9988 назначение, описание, схема включения

Микросхема OZ9988, Производитель- O2micro®

FEATURES OZ9988
• High frequency DC/DC controller
• 1 or 2 cells of NiMH or Alkaline batteries
• Drives either 1 high power White or Blue or Green LED or 2 high power Red
LEDs
• 1.25MHz fi xed operating frequency
• Over-current, over-voltage and LED short circuit protection
• Thermal protection
• Soft start function

GENERAL DESCRIPTION OZ9988
OZ9988 is a high power LED driver controller suitable for applications requiring 1 or
2 cell NiMH or Alkaline batteries. It is used in a high effi ciency boost converter which
provides constant current drive for LED backlight applications.
This highly integrated controller reduces external circuit components in the boost
converter, and offers internal feedback compensation for the control loop

Схема включения OZ9988

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OZ99XX O2Micro
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