| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | LM5033 |  295Kb/16P | 100V Push-Pull Voltage Mode PWM Controller |
| LM5033 |  712Kb/17P | 100V Push-Pull Voltage Mode PWM Controller |
| LM5033MM |  712Kb/17P | 100V Push-Pull Voltage Mode PWM Controller |
 National Semiconductor ... | LM5033MMX |  712Kb/17P | 100V Push-Pull Voltage Mode PWM Controller |
 National Semiconductor ... | LM5033SD |  295Kb/16P | 100V Push-Pull Voltage Mode PWM Controller |
| LM5033SD |  712Kb/17P | 100V Push-Pull Voltage Mode PWM Controller |
 National Semiconductor ... | LM5033SDX |  295Kb/16P | 100V Push-Pull Voltage Mode PWM Controller |
| LM5033SDX |  712Kb/17P | 100V Push-Pull Voltage Mode PWM Controller |
 National Semiconductor ... | LM5033 |  712Kb/17P | 100V Push-Pull Voltage Mode PWM Controller |