Below is a schematic diagram of a DC to DC Converter 12 Volt to 21 Volt by using IC TDA2003.
This 12 V to 21 V DC to DC Converter can perform nicely at 500mA maximum current. In case the current exceeds 500 milli-amperes, the voltage will drop below 21 Volt.
- R1 : 2M2
- R2 : 300K
- C1 : 0,47uF
- C2 : 47nF
- C3 : 1000uF electrolityc capacitor
- C4 : 1000uF electrolityc capacitor
- D1 & D2 :
- SB 550
- IC : TDA2003