4Pcs SG3525AP SO-16 Switching Controllers Voltage Mode w/Sync

4Pcs TL1451ACNSR SO-16 Switching Controllers Dual ch PWM Ctlr

4Pcs SG2525AP013TR SO-16 Switching Controllers Voltage Mode w/Sync

TPS5450 / TPS5430 Single to Dual Power Switching Regulated Power Supply Module

3Pcs L5991D SO-16 Switching Controllers Prog Current Mode

4Pcs MCP1631-E/SS SSOP-20 Switching Controllers Integrated HS PWM I Mode

1Pcs SG3524N PDIP-16 Switching Voltage Regulators Voltage Mode PWMs

4Pcs TPS59611RHBR Switching Controllers Sgl Phase,D-CAP+ TM Mode Step-Down