| Part Number | LM3431Q |
| Manufacturer | National Semiconductor |
| Title | 3-Channel Constant Current LED Driver |
| Description | The LM3431 is a 3-channel linear current controller combined with a boost switching controller ideal for driving LED backlight panels in space cri... |
| Features |
LED cathode feedback to minimize regulator headroom and optimize efficiency. A DIM input pin controls LED brightness from analog or digital control signals. Dimming frequencies up to 25 kHz are possible with a contrast ratio of 100:1. Contrast ratios...
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| Datasheet |
 LM3431Q Datasheet
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