MAX6972 데이터 시트보기 (PDF) - Maxim Integrated

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MAX6972

16-Output PWM LED Drivers for Message Boards

Maxim Integrated 

16-Output PWM LED Drivers

for Message Boards

Multiplexed vs. Nonmultiplexed Operation

The MAX6972/MAX6973 can double the number of

LEDs driven from 16 to 32 through multiplexing. When

multiplexing, the two outputs, MUX0 and MUX1, drive

two external pnp transistors, such as FMMTL717, used

as common-anode power switches (see Figure 5).

Figure 5. MAX6973 Multiplexing Two Sets of Eight RG Pixels with a Single LED Supply and Subframe Timing

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