Application Note
54 of 63
V 1.2
2018-12-12
5 Output PMIC Controller/ IRPS5401
User guide with DB295 and DB296 demo boards
SW-A; 1.0 V @ 0 A
2 V/div, Vpeak = 13.8 V
Jitter = 17 nsec
Output Filter
1
µ
H + 7* 22
µ
F
P=35, I=42, Kpwm=3, Kpole=6
SW-B; 1.2 V @ 0 A
2 V/div, Vpeak = 14.0 V
Jitter = 18 nsec
Output Filter
1
µ
H + 7* 22
µ
F
P=36, I=43, Kpwm=3, Kpole=6
SW-C; 1.8 V @ 0 A
2 V/div, Vpeak = 13.1 V
Jitter = 48 nsec
Output Filter
3.3
µ
H + 3* 22
µ
F
P=42, I=44, Kpwm=3, Kpole=6
SW-D; 3.3 V @ 0 A
2 V/div, Vpeak = 13.1 V
Jitter = 17 nsec
Output Filter
3.3
µ
H + 3* 22
µ
F
P=42, I=50, Kpwm=3, Kpole=6
YELLOW
SW-NODE
Figure 65
Switch node peak and jitter (0 A load)
