| Model | Name | Starting voltage | Duty cycle | Encapsulation | Characterization | Remarks | Specifications |
| 3842 | pwm controller | 16V | 97% | SOP8/DIP8 | Current controlled pulse width modulation with built-in reference. The output can drive power transistor or FET directly. | ||
| 3843 | pwm controller | 8.4V | 97% | SOP8/DIP8 | |||
| 3845 | pwm controller | 8.4V | 48% | SOP8/DIP8 |