| Image | Manufacturer | Part Number | Description |
|---|
| | STMicroelectronics | SG3525AN | Voltage Mode PWM Controller 400mA 16-Pin PDIP Tube |
 | STMicroelectronics | SG3525AP | Voltage Mode PWM Controller 500mA 16-Pin SO N |
 | Microsemi | SG3526BN | Voltage Mode PWM Controller 100mA 16-Pin CDIP |
 | Microsemi | SG2526BN | Voltage Mode PWM Controller 100mA 18-Pin PDIP |
 | Microsemi | SG3524BDW | Voltage Mode PWM Controller 19V 100mA 16-Pin SOWB |
 | Microsemi | SG1526BJ | Voltage Mode PWM Controller 100mA 18-Pin CDIP |
 | ON Semiconductor | TL494BDR2G | Voltage Mode PWM Controller 500mA 16-Pin SOIC T/R |
