Voltage limiter with ic source
![](https://www.malabdali.com/wp-content/uploads/2020/04/voltage-limit-2-1024x598.png)
![](https://www.malabdali.com/wp-content/uploads/2020/04/voltage-limit-1-1024x577.png)
inrush current protector to protect capacitor from fast charging and let mosfets work as soft start + polarity protection in the same schematic
![](https://www.malabdali.com/wp-content/uploads/2020/04/inrush-current-polarity-protection-1024x565.png)
![](https://www.malabdali.com/wp-content/uploads/2020/04/polarity-protection.png)
charge pump circuit or bootstrap (diodes + capacitors+ pwm signal)
![](https://www.malabdali.com/wp-content/uploads/2020/04/charge-pumb-circuit-1-1024x569.png)
![](https://www.malabdali.com/wp-content/uploads/2020/04/charge-pumb-circuit-2-1024x545.png)
![](https://www.malabdali.com/wp-content/uploads/2020/04/charge-pumb-circuit-3-1024x543.png)
![](https://www.malabdali.com/wp-content/uploads/2020/04/vgs-max-1024x418.png)
some ics need minimum output current or continious conduction mode
![](https://www.malabdali.com/wp-content/uploads/2020/04/minimum-output-current-discontious-conduction-mode-1024x550.png)
![](https://www.malabdali.com/wp-content/uploads/2020/04/continuous-mode.png)
![](https://www.malabdali.com/wp-content/uploads/2020/04/burst-mode-or-discontinuos-mode.png)
multi sources diodes
![](https://www.malabdali.com/wp-content/uploads/2020/04/multi-voltage-source-1024x572.png)
hystarisis comparator
![](https://www.malabdali.com/wp-content/uploads/2020/04/comperator-schmit-1024x541.png)
put capacitors with voltage divider
![](https://www.malabdali.com/wp-content/uploads/2020/04/capacitor-with-voltage-devider-1024x614.png)
voltage regulator ic vs voltage reference ic
![](https://www.malabdali.com/wp-content/uploads/2020/04/voltage-regulator-vs-voltage-reference-1024x489.png)
![](https://www.malabdali.com/wp-content/uploads/2020/04/voltage-reference-1024x362.png)
before any ic source we put capacitors for decobling and some times we need more than one parallel capacitor for lower esr and more smoothing
![](https://www.malabdali.com/wp-content/uploads/2020/04/ic-source-capacitors-1024x480.png)