XR79106 Datasheet, PDF (8/19 Pages) Exar Corporation – 22V, 6A Synchronous Step-Down

XR79106
Typical Performance Characteristics (Continued)
T_A = 25°C, V_IN = 12V, V_OUT = 1.2V, I_OUT = 6A, f = 600kHz, unless otherwise specified. Schematic shown in Figure 27.
SW
VOUT
11mVp-p
AC coupled 20MHz
SW
VOUT
20mVp-p
AC coupled 20MHz
IOUT
Figure 14. Steady State CCM, I_OUT = 6A
IOUT
Figure 15. Steady State DCM, I_OUT = 0A
VIN
EN
VOUT
IOUT
4ms/div
Figure 16. Power Up, I_OUT = 6A
VIN
EN
VOUT
IOUT
4ms/div
Figure 17. Power Up, I_OUT = 0A
SW
VOUT
AC coupled 20MHz
-60mV
64mV
IOUT
Di/Dt = 2.5A/us
20 us/div
Figure 18. Load Step, CCM, 0A-3A-0A
SW
VOUT
AC coupled 20MHz
66mV
-74mV
IOUT
Di/Dt = 2.5A/us
40 us/div
Figure 19. Load Step, DCM/CCM, 0.05A-3A-0.05A
REV1B
8/19