ISL80019 Просмотр технического описания (PDF) - Intersil
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ISL80019 Datasheet PDF : 24 Pages
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ISL8002, ISL8002A, ISL80019, ISL80019A
Typical Performance Curves (Continued)
100
100
90
90
80
80
70
3.3VOUT
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 10. EFFICIENCY vs LOAD
FSW = 1MHz, VIN = 5V, MODE = PFM, TA = +25°C
70
3.3VOUT
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 11. EFFICIENCY vs LOAD
FSW = 1MHz, VIN = 5V, MODE = PWM, TA = +25°C
0.1
0.0
-0.1
-0.2
-0.3
AVERAGE
-0.4
HIGH
LOW
-0.5
6 SIGMA
-0.6
0
0.5
1.0
1.5
2.0
Load Current
FIGURE 12. LOAD REGULATION, TA = +105°C, 2.7VIN, 0.6VOUT, 1MHz
0.1
0.0
-0.1
-0.2
-0.3
-0.4
-0.5
AVERAGE
HIGH
LOW
6 SIGMA
-0.6
0
0.5
1.0
1.5
2.0
LOAD CURRENT
FIGURE 13. LOAD REGULATION, TA = +105°C, 3.3VIN, 0.6VOUT, 1MHz
0.0
-0.1
-0.2
-0.3
AVERAGE
-0.4
HIGH
-0.5
LOW
6 SIGMA
-0.6
0
0.5
1.0
1.5
2.0
LOAD CURRENT
FIGURE 14. LOAD REGULATION, TA = +105°, 5.5VIN, 0.6VOUT, 1MHz
10
FN7888.2
July 30, 2013
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