- AP1621AW
- Anachip Corporation
- PWM/PFM Dual Mode Step-down DC/DC Controller
- AP1621AWA
- Anachip Corporation
- 2.2 to 8 V, PWM/PFM dual mode step-down DC/DC converter
- AP1621AWL
- Anachip Corporation
- PWM/PFM Dual Mode Step-down DC/DC Controller
- AP1621AWLA
- Anachip Corporation
- 2.2 to 8 V, PWM/PFM dual mode step-down DC/DC converter