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| 图1 背光电流驱动电路说明: |
| 序号 | 电流 | 电压 | 电流 | 电压 | 电流 | 电压 |
| 1 | 4mA | 13.5V | 4mA | 13.5V | 15mA | 13.5V |
| 2 | 4mA | 13.5V | 4mA | 13.5V | 16mA | 13.5V |
| 3 | 4mA | 13.5V | 15mA | 13.5V | 19mA | 13.5V |
| 4 | 5mA | 13.5V | 17mA | 13.5V | 21mA | 13.5V |
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| 图2 背光恒流源驱动电路MAXIM公司 |
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