ISL6264 데이터 시트보기 (PDF) - Intersil
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ISL6264 Datasheet PDF : 24 Pages
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ISL6264
Typical Performance Curves (0.36µH filter inductor, 4 x 330µF output SP caps and 32 x 22µF ceramic caps)
100
90
80
70
VIN = 12.6V
VIN = 8.0V
60
VIN = 19.0V
50
40
30
20
10
0
0
5
10 15 20 25 30 35 40
IOUT (A)
FIGURE 4. ACTIVE MODE EFFICIENCY, 2 PHASE, CCM,
PSI_l = HIGH, VID = 1.15V
1.16
1.15
1.14
VIN = 8.0V
1.13
1.12 VIN = 12.6V
1.11
1.1
1.09
VIN = 19.0V
1.08
1.07
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40
IOUT (A)
FIGURE 5. ACTIVE MODE LOAD LINE, 2 PHASE, CCM,
PSI_L = HIGH, VID = 1.15V
100
90
80
70
VIN = 8.0V
VIN = 12.6V
VIN = 19.0V
60
50
40
30
20
10
0
0
5
10
15
20
IOUT (A)
FIGURE 6. ACTIVE MODE EFFCIENCY, 1 PHASE, DE,
PSI_L = LOW, VID = 1.15V
100
90
80
70
60
50
40
30
20
10
0
0.1
VIN = 19.0V
VIN = 12.6V
VIN = 8.0V
1
10
IOUT (A)
FIGURE 8. EFFICIENCY OF 1-PHASE DE MODE,
PSI_l = LOW. DCM MODE, VID = 0.9V,
OFFSET = 33mV
1.155
1.15
1.145
1.14
1.135 VIN = 8.0V
VIN = 12.6V
1.13
1.125
1.12
1.115
VIN = 19.0V
1.11
0 2 4 6 8 10 12 14 16 18 20
IOUT (A)
FIGURE 7. ACTIVE MODE LOAD LINE, 1 PHASE, DE,
PSI_L = LOW, VID = 1.15V
0.964
0.954
0.944
0.934
VIN = 19.0V
VIN = 8.0V
0.924
0.914
VIN = 12.6V
0.904
0
2
3
4
5
6
IOUT (A)
FIGURE 9. 1-PHASE DE MODE LOAD LINE, PSI_l = LOW,
VID = 0.9V, OFFSET = 33mV
11
FN6359.1
October 16, 2006
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