Schematic for the LV58063MCGEVB Evaluation Board BOOT BOOT(SW+Vreg.) C2=10uF/35V Current Sense Rb=0 Amp Pre-Drive UVLO R10=4.3k FB SW Error Amp. PWM comparator Pre Drive COMP R3=10k D1=MBRA340 R1=27k C1= 0.01uF 1:N OSC 370kHz VIN=24V VOUT=3.3V L1=10uH GND C5=10uF/16V×2 R2=2.2K + C4=OPEN C3=4700p Current Limit Logic Internal Stable supply ＶＩＮ SS C6=0.01uF Vref 0.8V EN - TSD Internal Regulator Internal regulator (5V) L1 : CDRH105RNP-100NC [sumida] D1 : MBRA340 [ON SEMI] C2 : GRM32ER7YA106K [MURATA] C5 : GRM31CB31C106K [MURATA] C : Ceramic Capacitor H or open: ON L :OFF INPUT VOLTAGE OUTPUT VOLTAGE OUTPUT CURRENT Oscillation frequency 5/9/2014 24.0V 3.3V 3.0Amax 370kHz -1- www.onsemi.com