IHLP® Design Calculator Express
Vishay’s Design Calculator Express was designed to allow the user to quickly determine the best IHLx inductor for their Buck or Boost converter.
| Inputs: Enter data into yellow fields | |||
| DC/DC Converter Type | |||
| Max Footprint | mm^2 | ||
| Max Profile | mm | ||
| P/N Type | |||
| Vin | Volts | ||
| Vout | Volts | ||
| Switching Frequency | Hz | ||
| Output Current | Amps | ||
| Ambient Temp | °C | ||
| Pk-Pk Ripple Target % | Amps pk-pk | ||
| Calculated Imax | Amps pk-pk | ||
| Calculated Duty Cycle | |||
| Calculated min L for desired ripple | uH | ||
| Inductor Current for Boost Converter | Amps | ||
| Results | ||||||||||||
| Rank | IHLP P/N | Footprint mm^2 | Profile mm | Nominal L uH | Nom L Ripple A | Inductor Temp °C | Rated Operating Temp °C | Total Inductor Loss W | Inductor Efficiency | |||
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* Inductor efficiency is the watt loss in the inductor divided by the output power
Example: If the converter output is 5V @ 2A, the output power is 10 watts
If the inductors has 1 watt of losses, then the inductor efficiency is (1-1W/10W)X100% or 90%
