1Pcs UC3578DP SOP-16 Switching Controllers Buck PWM Stepdown Vltg Reg

1Pcs UC2823N PDIP-16 Switching Controllers High Speed PWM Controller

1Pcs UC3863DW SOIC-16 Switching Controllers Resonant-Mode

1Pcs UC3525BDW SOIC-16 Switching Controllers Regulating Pulse Width Modulator

1Pcs TL1454ACN PDIP-16 Switching Controllers Dual ch PWM Ctlr

1Pcs UC3825BDW SOIC-16 Switching Controllers High Speed PWM Controller

1Pcs LT1241CS8#PBF SO-8 Switching Controllers Current Mode PWM Controller

1Pcs LT1242IN8#PBF PDIP-8 Switching Controllers Current Mode PWM Controller