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ISL65426 Datasheet, PDF (9/22 Pages) Intersil Corporation – 6A Dual Synchronous Buck Regulator with Integrated MOSFETs
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ISL65426
Typical Performance Curves
Circuit of Figure 2. VIN = 5V, IOUT1 = 4A, IOUT2 = 2A, TA = -10°C to +100°C unless otherwise
noted. Typical values are at TA = +25°C.
100
90
80
70
60
50
40
30
20
10
0
0.1
3.3VIN 5.5VIN
1.0
2.0
OUTPUT LOAD (A)
2.5VIN
3.0
4.0
FIGURE 4. VOUT1 = 1.2V EFFICIENCY vs LOAD
100
90
80
70
60
50
40
30
20
10
0
0.1
3.3VIN
5.5VIN
2.5VIN
1.0
2.0
3.0
4.0
OUTPUT LOAD (A)
FIGURE 5. VOUT1 = 1.5V EFFICIENCY vs LOAD
100
90
80
70
60
50
40
30
20
10
0
0.1
3.3VIN
5.5VIN
2.5VIN
1.0
2.0
3.0
4.0
OUTPUT LOAD (A)
FIGURE 6. VOUT1 = 1.8V EFFICIENCY vs LOAD
100
90
80
70
2.5VIN
60
50
40
3.3VIN
5.5VIN
30
20
10
0
0.1
0.5
1.0
1.5
2.0
OUTPUT LOAD (A)
FIGURE 7. VOUT2 = 1.8V EFFICIENCY vs LOAD
100
90
80
70
4VIN
60
50
3VIN
5.5VIN
40
30
20
10
0
0.1
0.5
1.0
1.5
2.0
OUTPUT LOAD (A)
FIGURE 8. VOUT2 = 2.5V EFFICIENCY VS LOAD
100
90
80
70
60
50
40
30
20
10
0
0.1
5VIN
4.5VIN
5.5VIN
0.5
1.0
1.5
2.0
OUTPUT LOAD (A)
FIGURE 9. VOUT2 = 3.3V EFFICIENCY vs LOAD
9
FN6340.1
November 14, 2006
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