ISL85001 データシートの表示（PDF） - Intersil
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ISL85001 Datasheet PDF : 15 Pages
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ISL85001
Typical Performance Curves Unless otherwise noted, operating conditions are: TA = +25°C, VIN = 12V, EN = VDD, L = 22µH,
C9 = 10µF, C11 = 47µF, IOUT = 0A to 1A. See “VIN (Pins 11, 12)” on page 6. (Continued)
1.814
2.506
1.813
1.812
1.811
25VIN
12VIN
2.505
2.504
2.503
25VIN
12VIN
1.810
2.502
1.809
2.501
1.808
1.807
5VIN
1.806
0.0
0.2
0.4
0.6
0.8
1.0
OUTPUT LOAD (A)
FIGURE 8. VOUT REGULATION vs LOAD, 500kHz, 1.8VOUT
2.500
2.499
5VIN
2.498
0.0
0.2
0.4
0.6
0.8
1.0
OUTPUT LOAD (A)
FIGURE 9. VOUT REGULATION vs LOAD, 500kHz, 2.5VOUT
3.330
3.328
3.326
25VIN
12VIN
3.324
3.322
3.320
3.318
7VIN
3.316
3.3140.0
0.2
0.4
0.6
0.8
1.0
OUTPUT LOAD (A)
FIGURE 10. VOUT REGULATION vs LOAD, 500kHz, 3.3VOUT
4.99
4.98
4.97
4.96
25VIN
4.95
4.94
7VIN
4.93
4.92
12VIN
4.910.1
0.3
0.5
0.7
0.9
OUTPUT LOAD (A)
FIGURE 11. VOUT REGULATION vs LOAD, 500kHz, 5VOUT
PHASE 5V/DIV
PHASE 5V/DIV
VOUT RIPPLE
20mV/DIV
IL 0.1A/DIV
FIGURE 12. STEADY STATE OPERATION AT NO LOAD
(5µs/DIV)
VOUT RIPPLE
20mV/DIV
IL 0.5A/DIV
FIGURE 13. STEADY STATE OPERATION AT FULL LOAD
(1µs/DIV)
8
FN6769.1
March 17, 2009
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