The waveforms of each phase current
during normal operation, load transient, and start-up are shown in following
images.

CH1: VOUT, CH2:
IOUT, CH3: IPhase1, CH4: IPhase2
Figure 3-31 VIN = –48 V,
VOUT = 48 V, IOUT = 7 A
CH1: VOUT, CH2:
IOUT, CH3: IPhase1, CH4: IPhase2
Figure 3-33 VIN = 48 V,
VOUT = 48 V,
IOUT = 0
A to 14 A to 0 A
CH1: VOUT, CH2:
IOUT, CH3: IPhase1, CH4: IPhase2
Figure 3-35 VIN = 48 V,
VOUT = 48 V, IOUT = 0 A, Start-up 
CH1: VOUT, CH2:
IOUT, CH3: IPhase1, CH4: IPhase2
Figure 3-32 VIN = 48 V,
VOUT = 48 V, IOUT = 14 A
CH1: VOUT, CH2:
IOUT, CH3: IPhase1, CH4: IPhase2
Figure 3-34 VIN = 48 V,
VOUT = 48 V,
IOUT = 0
A to 14 A to 0 A
CH1: VOUT, CH2:
IOUT, CH3: IPhase1, CH4: IPhase2
Figure 3-36 VIN = 48 V,
VOUT = 48 V, IOUT = 14 A, Start-up