ISL8025IRTAJZ-T Просмотр технического описания (PDF) - Intersil
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ISL8025IRTAJZ-T Datasheet PDF : 21 Pages
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ISL8025, ISL8025A
Typical Operating Performance Unless otherwise noted, operating conditions are: TA = +25°C, VVIN = 5V,
EN = VIN, SYNC = VIN, L = 1.0µH, C1 = 22µF, C2 = 2 x 22µF, IOUT = 0A to 5A.
100
100
90
90
80
80
70
2.5VOUT
60
1.8VOUT
1.5VOUT
1.2VOUT
50
0.9VOUT
0.8VOUT
40
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
OUTPUT LOAD (A)
FIGURE 4. EFFICIENCY vs LOAD (1MHz 3.3 VIN PWM)
70
2.5VOUT
60
1.8VOUT
1.5VOUT
1.2VOUT
50
0.8VOUT
0.9VOUT
40
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
OUTPUT LOAD (A)
FIGURE 5. EFFICIENCY vs LOAD (1MHz 3.3 VIN PFM)
100
90
80
70
60
3.3VOUT
2.5VOUT
50
1.8VOUT
1.5VOUT
1.2VOUT
40
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
OUTPUT LOAD (A)
FIGURE 6. EFFICIENCY vs LOAD (1MHz 5VIN PWM)
100
90
80
70
60
3.3VOUT
2.5VOUT
50
1.8VOUT
1.5VOUT
1.2VOUT
40
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
OUTPUT LOAD (A)
FIGURE 7. EFFICIENCY vs LOAD (1MHz 5VIN PFM)
100
90
80
70
2.5VOUT
60
1.8VOUT
1.5VOUT
50
1.2VOUT
0.9VOUT
0.8VOUT
40
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
OUTPUT LOAD (A)
FIGURE 8. EFFICIENCY vs LOAD (2MHz 3.3VIN PWM)
8
100
90
80
70
2.5VOUT
60
1.8VOUT
1.5VOUT
1.2VOUT
50
0.9VOUT
0.8VOUT
40
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
OUTPUT LOAD (A)
FIGURE 9. EFFICIENCY vs LOAD (2MHz 3.3VIN PFM)
FN8357.0
February 20, 2013
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