UTC > Power Management > Step Down Switching Regulators High Voltage Step-Down Switching Regulators Part No. Features Vin(range)(V) Io(A) VFB(V) Iq(uA) Istby(uA) Package Datasheet P1596L 1.5A 150kHz, PWM Stepdown Switching Regulator 4.5~ 28.0 1.5 -0.3~18 5 70 TO-220B TO-220-5 TO-263-5 P1696L 2A 150kHz PWM Stepdown Switching Regulator 4.5~ 28.0 2 1.23 5 80 SOP-8 P2576L 3A 52kHz, PWM Stepdown Switching Regulator 4.5~ 40.0 3 -0.3~20 5 50 TO-220B TO-263-5 P3596L 3A 150kHz, PWM Stepdown Switching Regulator 4.5~ 40.0 3 -0.3~20 5 80 TO-220-5 TO-220B TO-263-5 P1785L 2A 360kHz, PWM Stepdown Switching Regulator 3.6 ~ 23.0 2 0.8 - 10 SOP-8 P1786L 3A 360kHz, PWM Stepdown Switching Regulator 3.6 ~ 23.0 3 0.8 - 10 SOP-8 P1885L 2A 300kHz , PWM Stepdown Switching Regulator 3.6 ~ 23.0 2 0.8 - 10 SOP-8 P1886L 3A 300kHz , PWM Stepdown Switching Regulator 3.6 ~ 23.0 3 -0.3~6 - 10 SOP-8 *P1586L 1.5A 1200kHz , PWM Stepdown Switching Regulator 3.0~ 25.0 1.5 1.22 1.0 6 HSOP-8 MSOP-8 Synchronous Step-Down DC-DC Converter (Buck) Part No. Features Vin(range)(V) Io(A) VFB(V) Iq(uA) Istby(uA) Package Datasheet UC3655L-XX 600kHz /1MHz 0.5A Synchronous Buck  Converter 2.0 ~ 6.0 0.5 92 70 1.0 SOT-25 UC3656L-XX 1MHz , 0.8A Synchronous Buck  Converter 2.5 ~ 5.5 0.8 95 300 0.5 SOT-25 Green Mode PWM Controller Part No. Features Vcc(max) Istart Fosc(norm) Fosc(green) Package Datasheet UC3848L PWM Controllers with energy saving for light load by entering variable duty mode 26V 45uAmax 65kHz 20kHz DIP-8 SOP-8 UC3842GL UC3843GL Current Mode PWM Controllers Enhanced energy saving for inductrila 384X to meet green power 30V 100uAmax 52kHz 20kHz DIP-8 SOP-8 *UC3852L Green Mode Current Mode PWM Controllers WithFrequency Modulation for EMI suppression 30V 20uAmax 65kHz 20kHz DIP-8 SOP-8 *UC3856L Green Mode Current Mode PWM Controllers With HV Start-Up and Frequency Modulation for EMI suppression 30V 100uAmax 65kHz 20kHz SOT-26 Step-Down DC-DC PWM or PFM Controller (Buck) Part No. Features Vin(range)(V) Io(A) Iq(uA) Istby(uA) Package Datasheet *UC3750L-XX 600kHz PWM /PFM Buck  Controller 2.45~5.5 2 50 0.3 SOT-25 *M7085L 1MHz PFM Buck Controller 4.5~ 35.0 0.4 - 250 MSOP-8