Troubleshooting Switching Power Converters: A Hands-on Guide

| Buck | Boost | Buck-Boost | |
|---|---|---|---|
| Duty Cycle | | | |
| V IN_50(V) | | | |
| Output Voltage, V O(V) | | | |
| Volt ?seconds (V ?s) | | | |
| L ( ?H) | | | |
| Inductor Current Ripple Ratio r | | | |
| ? I (A) | | | |
| RMS Current in Input Capacitor (A) | | | |
| I PP in Input Capacitor (A) | | | |
| RMS Current in Output Capacitor (A) | | | |
| I PP in Output Capacitor (A) | I O r | | |
| Energy Handling Capability ( ?Joules) | | | |
| RMS Current in Inductor (A) | | | |
| Average Current in Inductor (A) | I O | | |
| RMS Current in Switch (A) | | | |
| Peak Current Switch/Diode/ Inductor (A) | | | |
| Average Current in Switch (A) | I O D | | |
| Average Current in Diode (A) | I O (1-D) | I O | I O |
| Average input Current (A) | I O D | | |
| Output Voltage Ripple ( mV) [*] | | | |
| r = ?I/ I DC, L in ?H, f in Hz. All voltages and currents are magnitudes. | |||
| [*]ESL ignored. |