SNVU621D May 2019 – July 2021 LM61440 , LM61440-Q1 , LM61460 , LM61460-Q1
6.2 Board Efficiency
This section provides efficiency plots for the board with LMQ61460AAS populated for Auto mode efficiency and LMQ61460AFS populated for FPWM mode efficiency. For 2.1-MHz data, the output stage has to be changed from the default BOM. The inductor (L1) selected was XEL5030-102MEB.
Figure 6-8 FSW = 400 kHz,
5 VOUT, Auto Mode
Figure 6-10 FSW = 400 kHz,
3.3 VOUT, Auto Mode
Figure 6-12 FSW = 2.2 MHz,
5 VOUT, Auto Mode
Figure 6-14 FSW = 2.2 MHz,
3.3 VOUT, Auto Mode
Figure 6-9 FSW = 400 kHz,
5 VOUT, FPWM Mode
Figure 6-11 FSW = 400 kHz,
3.3 VOUT, FPWM ModeFigure 6-13 FSW = 2.2 MHz,
5 VOUT, FPWM Mode
Figure 6-15 FSW = 2.2 MHz,
3.3 VOUT, FPWM Mode