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

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

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

3Pcs TPS40051PWPRG4 Switching Controllers Wide Input Vltg Synch Buck Cntrlr

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

4Pcs L6599AD SO-16 Switching Controllers Hi-Volt Resonant Controller

3Pcs UCC25706DGK VSSOP-8 Switching Controllers High Speed Vltg Mode

3Pcs TPS61170DRVT WSON-6 Switching Voltage Regulators 1.2A Sw Hi Vltg Boost Conv