ZHCSSM8 july 2023 UCC27444
PRODUCTION DATA
8.2.3 Application Curves
The figures below show the typical
switching characteristics of the UCC27444 device
used in high-voltage boost converter application. In this application, the UCC27444 is driving the IGBT switch that has a gate
charge of
110nC.
Figure 8-3 UCC27444 Used to Drive IGBT in the Boost
Converter
| Vin = 210 V, Vout= 235 V, Iout=1.1 A, Fsw=125 kHz, driver supply voltage=12 V, gate resistor= 0 ? |
| Vin = 210 V, Vout= 235 V, Iout=1.1A, Fsw=125 kHz, driver supply voltage=12 V, gate resistor= 0 ? |