| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | LM2633 |  1Mb/40P | Advanced Two-Phase Synchronous Triple Regulator Controller for Notebook CPUs |
| LM2633MTD |  1Mb/40P | Advanced Two-Phase Synchronous Triple Regulator Controller for Notebook CPUs |
 National Semiconductor ... | LM2630 |  265Kb/14P | Synchronous Step-Down Power Supply Controller |
| LM2630MTC-ADJ |  265Kb/14P | Synchronous Step-Down Power Supply Controller |
| LM2631 |  265Kb/12P | Synchronous Step-Down Power Supply Controller |
| LM2631MTC-ADJ |  265Kb/12P | Synchronous Step-Down Power Supply Controller |
| LM2633MTD |  1Mb/40P | Advanced Two-Phase Synchronous Triple Regulator Controller for Notebook CPUs |
 National Semiconductor ... | LM2635 |  288Kb/13P | 5-Bit Programmable Synchronous Buck Regulator Controller |
| LM2635M |  288Kb/13P | 5-Bit Programmable Synchronous Buck Regulator Controller |
| LM2636 |  325Kb/14P | 5-Bit Programmable Synchronous Buck Regulator Controller |
| LM2636M |  325Kb/14P | 5-Bit Programmable Synchronous Buck Regulator Controller |
| LM2636MTC |  325Kb/14P | 5-Bit Programmable Synchronous Buck Regulator Controller |
| LM2637 |  360Kb/17P | Motherboard Power Supply Solution with a 5-Bit Programmable Switching Controller and Two Linear Regulator Controllers |
| LM2637M |  360Kb/17P | Motherboard Power Supply Solution with a 5-Bit Programmable Switching Controller and Two Linear Regulator Controllers |
| LM2638 |  165Kb/8P | Motherboard Power Supply Solution with a 5-Bit Programmable Switching Controller and Two Linear Regulator Controllers |
 National Semiconductor ... | LM2638M |  165Kb/8P | Motherboard Power Supply Solution with a 5-Bit Programmable Switching Controller and Two Linear Regulator Controllers |