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MAX1984 - Ultra-High-Efficiency White LED Drivers

Key Features

  • o Synchronous Step-Up Regulator Achieves >95% Efficiency Internal Switch and Synchronous Rectifier Eliminates External MOSFETs and Diodes 1MHz Fixed Frequency Minimizes Component Sizes o o o o Up to 90% Total LED Efficiency Accurate LED Current Matching (8% max) Adjustable Maximum LED Current Multimode Dimming Control Digital Pulse-Width Modulation Control 2-Bit Parallel Control 3-Bit Parallel Control Analog Control o Selectively Enable LEDs o Open-LED Detection o Unique 0.5mA LED Test Mode o 2.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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19-2761; Rev 0; 1/03 KIT ATION EVALU E L B A AVAIL Ultra-High-Efficiency White LED Drivers General Description Features o Synchronous Step-Up Regulator Achieves >95% Efficiency Internal Switch and Synchronous Rectifier Eliminates External MOSFETs and Diodes 1MHz Fixed Frequency Minimizes Component Sizes o o o o Up to 90% Total LED Efficiency Accurate LED Current Matching (8% max) Adjustable Maximum LED Current Multimode Dimming Control Digital Pulse-Width Modulation Control 2-Bit Parallel Control 3-Bit Parallel Control Analog Control o Selectively Enable LEDs o Open-LED Detection o Unique 0.5mA LED Test Mode o 2.7V to 5.