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ISL65426_07 Datasheet, PDF (10/22 Pages) Intersil Corporation – 6A Dual Synchronous Buck Regulator with Integrated MOSFETs
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ISL65426
Typical Performance Curves
1.235
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. (Continued)
1.235
1.225
1.215
1.205
5.5VIN
1.225
1.215
1.205
NO LOAD
2A LOAD
1.195
1.195
1.185
1.175
2.5VIN
3.3VIN
1.185
1.175
4A LOAD
1.165
0.1
1.0
2.0
3.0
4.0
OUTPUT LOAD (A)
FIGURE 10. VOUT1 = 1.2V REGULATION vs LOAD
1.165
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
INPUT VOLTAGE (V)
FIGURE 11. VOUT1 = 1.2V REGULATION vs VIN
1.545
1.535
1.525
1.515
5.5VIN
1.505
1.495
1.485
1.475
2.5VIN
1.465
3.3VIN
1.455
0.1
1.0
2.0
3.0
4.0
OUTPUT LOAD (A)
FIGURE 12. VOUT1 = 1.5V REGULATION vs LOAD
1.545
1.535
1.525
2A LOAD
1.515
1.505
NO LOAD
1.495
1.485
1.475
1.465
4A LOAD
1.455
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
INPUT VOLTAGE (V)
FIGURE 13. VOUT1 = 1.5V REGULATION vs VIN
1.845
1.825
1.805
5.5VIN
1.785
1.765
2.5VIN
3.3VIN
1.745
0.1
1.0
2.0
3.0
4.0
OUTPUT LOAD (A)
FIGURE 14. VOUT1 = 1.8V REGULATION vs LOAD
1.845
1.825
1.805
NO LOAD
2A LOAD
1.785
1.765
4A LOAD
1.745
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
INPUT VOLTAGE (V)
FIGURE 15. VOUT1 = 1.8V REGULATION vs VIN
10
FN6340.2
February 21, 2007
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