7Pcs TL1451AQDR SOP-16 Switching Controllers Dual Ch Wide Input Voltage Range

4Pcs TL1453CPWRG4 TSSOP-16 Switching Controllers Dual Ch Controller

4Pcs TL1451ACDBR SSOP-16 Switching Controllers Dual ch PWM Ctlr

4Pcs SG3525AN PDIP-16 Switching Controllers Voltage Mode w/Sync

4Pcs UC2524ADWTR SOIC-16 Switching Controllers Advanced Regulating

4Pcs TL5001CD SOIC-8 Switching Controllers PWM w/wide range

4Pcs UC2524ADWTR SOIC-16 Switching Controllers Advanced Regulating

12Pcs TL494CDRG4 SOP-16 Switching Controllers PWM Control Circuit