| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | LM3405 |  181Kb/6P | Powering and Dimming High-Brightness LEDs with the LM3405 Constant-Current Buck Regulator |
 National Semiconductor ... | LM3405 |  483Kb/ 20P | 1.6MHz, 1A Constant Current Buck Regulator for Powering LEDs |
 National Semiconductor ... | LM3405A |  492Kb/ 20P | 1.6MHz, 1A Constant Current Buck LED Driver with Internal Compensation in Tiny SOT23 Package |
| LM3405A |  511Kb/ 20P | 1.6MHz, 1A Constant Current Buck LED Driver with Internal Compensation in Tiny SOT23 and eMSOP Package |
 National Semiconductor ... | LM3405AXMK |  492Kb/ 20P | 1.6MHz, 1A Constant Current Buck LED Driver with Internal Compensation in Tiny SOT23 Package |
| LM3405AXMK |  511Kb/ 20P | 1.6MHz, 1A Constant Current Buck LED Driver with Internal Compensation in Tiny SOT23 and eMSOP Package |
 National Semiconductor ... | LM3405AXMKE |  492Kb/ 20P | 1.6MHz, 1A Constant Current Buck LED Driver with Internal Compensation in Tiny SOT23 Package |
 National Semiconductor ... | LM3405AXMKX |  511Kb/ 20P | 1.6MHz, 1A Constant Current Buck LED Driver with Internal Compensation in Tiny SOT23 and eMSOP Package |