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

4Pcs TL1451CNSR SO-16 Switching Controllers Dual PWM Control Circuit

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

4Pcs TL1453CPWR TSSOP-16 Switching Controllers Dual Ch Controller

4Pcs SC220STRT SOIC-8 Switching Voltage Regulators 20MHZ BUCK REG/ NON-PORTABLE

4Pcs L6984ATR Switching Voltage Regulators POWER MANAGEMENT

3Pcs TL1451CNS SO-16 Switching Controllers Dual PWM Control Circuit

3Pcs L5991D SO-16 Switching Controllers Prog Current Mode