ISL80019(2013_01) 데이터 시트보기 (PDF) - Intersil
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ISL80019 Datasheet PDF : 22 Pages
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ISL8002, ISL8002A, ISL80019, ISL80019A
Typical Performance Curves
100
90
80
70
2.5VOUT
60
1.8VOUT
1.5VOUT
1.2VOUT
50
0.9VOUT
0.8VOUT
40
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
OUTPUT LOAD (A)
FIGURE 4. EFFICIENCY vs LOAD
FSW = 2MHz, VIN = 3.3V, MODE = PFM, TA = +25°C
100
90
80
70
2.5VOUT
60
1.8VOUT
1.5VOUT
50
1.2VOUT
0.9VOUT
0.8VOUT
40
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
OUTPUT LOAD (A)
FIGURE 5. EFFICIENCY vs LOAD
FSW = 2MHz, VIN = 3.3V, MODE = PWM, TA = +25°C
100
90
80
70
2.5VOUT
60
1.8VOUT
1.5VOUT
1.2VOUT
50
0.9VOUT
0.8VOUT
40
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
OUTPUT LOAD (A)
FIGURE 6. EFFICIENCY vs LOAD
FSW = 1MHz, VIN = 3.3V, MODE = PFM, TA = +25°C
100
90
80
70
2.5VOUT
60
1.8VOUT
1.5VOUT
50
1.2VOUT
0.9VOUT
0.8VOUT
40
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
OUTPUT LOAD (A)
FIGURE 7. EFFICIENCY vs LOAD
FSW = 1MHz, VIN = 3.3V, MODE = PWM, TA = +25°C
100
90
80
70
3.3VOUT
60
2.5VOUT
1.8VOUT
50
1.5VOUT
1.2VOUT
0.9VOUT
40
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
OUTPUT LOAD (A)
FIGURE 8. EFFICIENCY vs LOAD
FSW = 2MHz, VIN = 5V, MODE = PFM, TA = +25°C
100
90
80
70
3.3VOUT
60
2.5VOUT
1.8VOUT
50
1.5VOUT
1.2VOUT
0.9VOUT
40
0.0 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. EFFICIENCY vs LOAD
FSW = 2MHz, VIN = 5V, MODE = PWM, TA = +25°C
9
FN7888.1
January 7, 2013
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