ISL8022
Typical Operating Performance (Unless otherwise noted) operating conditions are:
TA = +25°C, VVIN = 2.8V to 5.5V, EN = VIN, L1 = L2 = 1.2µH, C1 = 10µF, C2 = C4 = 22µF, IOUT1 = 0A to 2A, IOUT2 = 0A to 1.7A. (Continued)
1.54
2.53
1.53
1.52
1.51
1.50
5VIN PFM
5VIN PWM
3.3V VIN PFM
2.52
5VIN PFM
2.51
2.50
5VIN PWM
3.3V VIN PFM
2.49
1.49
3.3V VIN PWM
1.480.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
OUTPUT LOAD (A)
FIGURE 9. VOUT REGULATION vs LOAD, 2.25MHz, 1.5V CHANNEL2
2.48
3.3V VIN PWM
2.470.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
OUTPUT LOAD (A)
FIGURE 10. VOUT REGULATION vs LOAD, 2.25MHz, 2.5V CHANNEL1
1.83
1.82
3.3V VIN PFM
1.81
1.80
5 VIN PFM
1.79
1.78 3.3V VIN PWM
5VIN PWM
1.770.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
OUTPUT LOAD (A)
FIGURE 11. VOUT REGULATION vs LOAD, 2.25MHz, 1.8V, CHANNEL 2
2.54
2.53
2.52
2.51
0A LOAD PFM
2A LOAD
2.50
2.49
0A LOAD PWM
1A LOAD
2.48
2.5 2.8 3.1 3.4 3.7 4.0 4.3 4.6 4.9 5.2 5.5
INPUT VOLTAGE (V)
FIGURE 12. OUTPUT VOLTAGE REGULATION vs VIN 2.5V CHANNEL 1
1.83
1.82
1.81
1.80
0A LOAD PWM
0A LOAD PFM
1.79
0.8A LOAD
1.78
1.7A LOAD
1.772.5 2.8 3.1 3.4 3.7 4.0 4.3 4.6 4.9 5.2 5.5
INPUT VOLTAGE (V)
FIGURE 13. OUTPUT VOLTAGE REGULATION vs VIN 1.8V CHANNEL 2
FN7650 Rev 3.00
March 14, 2013
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