A5975AD
Up to 2.5A step-down switching regulator (STMicroelectronics)
A5970AD
Up to 1 A step down-switching regulator (STMicroelectronics)
A5970D
1.5A switch step down switching regulator (STMicroelectronics)
A5972D
Up to 1.5A step-down switching regulator (STMicroelectronics)
A5973D
2.5A switch step down switching regulator (STMicroelectronics)
A5976
Microstepping DMOS Driver (Allegro)
A5977
Microstepping DMOS Driver (Allegro)
A5979
Microstepping DMOS Driver (Allegro)
A59
Cascadable Amplifier (MA-COM)
A59-1
Cascadable Amplifier (MACOM)