2Pcs UC2573D SOIC-8 Switching Controllers Buck Pulse Width Mod Stepdown Vltg Reg

2Pcs UC2572DTR SOIC-8 Switching Controllers Neg-Out Flyback Pls Width Modulator

2Pcs UC2572D SOIC-8 Switching Controllers Neg-Out Flyback Pls Width Modulator

2Pcs UC3526DW SOIC-Wide-18 Switching Controllers Regulating PWM

3Pcs TPS40200D SOIC-8 Switching Controllers Wide Inp Non-Sync Buck DC/DC Cntrlr

2Pcs UCC25702DTR SOIC-14 Switching Controllers Adv Voltage Mode

2Pcs UC3526AN PDIP-18 Switching Controllers Regulating PWM

4Pcs IR11662STRPBF SOIC-8 Switching Controllers FLYBACK SYNCH REC IC +1,-3.5A