| 制造商 | 部件名 | 数据表 | 功能描述 |
 National Semiconductor ... | LM2524 |  1Mb/ 22P | Regulating Pulse Width Modulator |
| LM2524D |  1Mb/ 22P | Regulating Pulse Width Modulator |
 National Semiconductor ... | LM2524DN |  1Mb/ 22P | Regulating Pulse Width Modulator |
 National Semiconductor ... | LM25005 |  760Kb/ 21P | 42V, 2.5A STEP-DOWN SWITCHING REGULATOR |
| LM25005 |  414Kb/ 22P | 42V, 2.5A Step-Down Switching Regulator |
 National Semiconductor ... | LM25005MH |  760Kb/ 21P | 42V, 2.5A STEP-DOWN SWITCHING REGULATOR |
| LM25005MH |  414Kb/ 22P | 42V, 2.5A Step-Down Switching Regulator |
 National Semiconductor ... | LM25005MHX |  760Kb/ 21P | 42V, 2.5A STEP-DOWN SWITCHING REGULATOR |
| LM25005MHX |  414Kb/ 22P | 42V, 2.5A Step-Down Switching Regulator |