UM0727 Datasheet, PDF (12/18 Pages) STMicroelectronics – STEVAL-ISA018V1 demonstration board based on resonant half-bridge SMPS for industrial applications

Experimental waveforms
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Experimental waveforms
UM0727
In this section some experimental waveforms are given. The contents of the following
images show the output ripple, both at low frequency and high frequency, the short circuit
protection operations and the startup and shutdown waveforms.
Figure 6. Midpoint voltage and transformer current - Vin = 230 Vac, Vout=24.6 V,
Iout = 2 A (CH1: HB midpoint voltage; CH2: transformer current)
AM04391v1
Figure 7. Midpoint voltage and transformer current - Vin = 230 Vac, Vout=24.6 V,
Iout = 2 A (CH1: HB midpoint voltage; CH2: transformer current)
12/18
Doc ID 15906 Rev 1
AM04392v1