DocID023918 Rev 1

3/20

AN4200

List of figures

20

List of figures

Figure 1.

STEVAL-CCA053V1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Figure 2.

Demonstration board (four-layer) - connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Figure 3.

Schematic diagram - part 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Figure 4.

Schematic diagram - part 2 (connectors) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Figure 5.

STA333IS demonstration board - four-layer PCB. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Figure 6.

APWorkbench - device selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Figure 7.

APWorkbench - control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Figure 8.

THD+N vs. power - VCC = 12.5 V, load = 8 W, 1 kHz. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Figure 9.

THD+N vs. frequency - VCC = 12.5 V, load = 8 W, Pout = 1 W at 1 kHz . . . . . . . . . . . . . . 10

Figure 10.

Frequency response - VCC = 12.5 V, load = 8 W, Pout = 1 W at 1 kHz . . . . . . . . . . . . . . . 11

Figure 11.

Crosstalk - VCC = 12.5 V, load = 8 W, Pout = 1 W at 1 kHz . . . . . . . . . . . . . . . . . . . . . . . . 11

Figure 12.

FFT - VCC = 12.5 V, load = 8 W, Pout = 1 W at 1 kHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 13.

Output power vs. supply voltage - load = 8 W, 1 kHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 14.

Figure 15.

Thermal analysis - VCC = 12.5 V - 2 x 10 W at 1 kHz. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 16.

Snubber network. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Figure 17.

PCB layout recommendations - star routing VCC traces. . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Figure 18.

PCB layout recommendation - large ground plane on the top side . . . . . . . . . . . . . . . . . . 17

Figure 19.

PCB layout recommendation - large ground plane on the inner layer 2 . . . . . . . . . . . . . . . 17

Figure 20.

PCB layout recommendation - large ground plane on the inner layer 3 . . . . . . . . . . . . . . . 17

Figure 21.

PCB layout recommendation - large ground plane on the bottom side . . . . . . . . . . . . . . . 17

Figure 22.

Output filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Figure 23.

VCC filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18