ISL8016
Typical Operating Performance Unless otherwise noted, operating conditions are: TA = +25°C, VIN = 5V,
EN = 3.3V, SYNCIN = VIN, L = 1.0µH, C1 = 2x22µF, C2 = 4x22µF, VOUT = 1.8V, IOUT = 0A to 6A. (Continued)
1.84
1.24
1.83
1.23
1.82
1.22
3.3VIN PWM MODE
1.81
3A LOAD
0A LOAD
1.21
3.3VIN PFM MODE
1.80
1.79
6A LOAD
1.782.5
3.0
3.5
4.0
4.5
5.0
5.5
VIN (V)
FIGURE 11. VOUT REGULATION vs VIN (PFM VOUT = 1.8V)
1.20
1.19 5VIN PWM MODE
5VIN PFM MODE
1.18
0.0
1.0
2.0
3.0
4.0
5.0
6.0
IOUT (A)
FIGURE 12. VOUT REGULATION vs LOAD (1MHz, VOUT = 1.2V)
1.54
1.53
3.3VIN PWM MODE
1.52
1.51
5VIN PWM MODE
3.3VIN PFM MODE
1.50
1.49
5VIN PFM MODE
1.48
0.0
1.0
2.0
3.0
4.0
5.0
6.0
IOUT (A)
FIGURE 13. VOUT REGULATION vs LOAD (1MHz, VOUT = 1.5V)
1.84
1.83
1.82
1.81
3.3VIN PWM MODE
5VIN PWM MODE
3.3VIN PFM MODE
1.80
1.79
5VIN PFM MODE
1.78
0.0
1.0
2.0
3.0
4.0
5.0
6.0
IOUT (A)
FIGURE 14. VOUT REGULATION vs LOAD (1MHz, VOUT = 1.8V)
2.54
2.53
3.3VIN PWM MODE
2.52
5VIN PWM MODE
2.51
2.50
3.3VIN PFM MODE
2.49
5VIN PFM MODE
2.48
0.0
1.0
2.0
3.0
4.0
5.0
6.0
IOUT (A)
FIGURE 15. VOUT REGULATION vs LOAD (1MHz, VOUT = 2.5V)
3.37
3.36
3.35
5VIN PWM MODE
3.34
3.33
3.32
5VIN PFM MODE
3.31
0.0
1.0
2.0
3.0
4.0
5.0
6.0
IOUT (A)
FIGURE 16. VOUT REGULATION vs LOAD (1MHz, VOUT = 3.3V)
FN7616 Rev 1.00
May 5, 2011
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