Datasheet

LTM4619
12
4619fb
For more information www.linear.com/LTM4619
applicaTions inForMaTion
DUTY CYCLE (V
OUT
/V
IN
)
0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5 0.55 0.6 0.65 0.7 0.75 0.8
0.85 0.9
0.60
0.55
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
4619 F05
RMS INPUT RIPPLE CURRENT
DC LOAD CURRENT
6-PHASE
4-PHASE
3-PHASE
2-PHASE
1-PHASE
DUTY CYCLE (V
OUT
/V
IN
)
0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5 0.55 0.6 0.65 0.7 0.75 0.8
0.85 0.9
1.00
0.95
0.90
0.85
0.80
0.75
0.70
0.65
0.60
0.55
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
4619 F06
PEAK-TO-PEAK OUTPUT RIPPLE CURRENT
DIr
RATIO =
6-PHASE
4-PHASE
3-PHASE
2-PHASE
1-PHASE
Figure 5. Normalized Input RMS Ripple Current vs Duty Cycle for One to Six Phases
Figure 6. Normalized Output Ripple Current vs Duty Cycle, Dlr = V
OUT
T/L