ISL8002 Просмотр технического описания (PDF) - Renesas Electronics
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ISL8002 Datasheet PDF : 23 Pages
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ISL8002, ISL8002A, ISL80019, ISL80019A
Typical Performance Curves
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 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
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 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
40
0.9VOUT
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
FN7888 Rev 4.00
July 31, 2014
Page 9 of 23
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