ISL8510 查看數據表（PDF） - Intersil
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ISL8510 Datasheet PDF : 21 Pages
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ISL8510
Typical Performance Curves Circuit of Figure 2. VIN = 12V, VIN_LDO = VOUT = 3.3V, IOUT = 1A, VLDO = 1.2V, ILDO = 450mA,
TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C. (Continued)
2.503
2.502
2.501
12VIN
7VIN
25VIN
3.320
3.318
3.315
3.313
3.310
3.308
3.305
3.303
12VIN
7VIN
25VIN
2.500
0.00
0.25
0.50
0.75
1.00
1.25
1.50
OUTPUT LOAD (A)
FIGURE 9. VOUT REGULATION vs LOAD, 500kHz 2.5VOUT
3.300
0.00
0.25
0.50
0.75
1.00
1.25
1.50
OUTPUT LOAD (A)
FIGURE 10. VOUT REGULATION vs LOAD, 500kHz 3.3VOUT
5.015
5.014
5.013
5.012
7VIN
5.011
5.010
5.009
5.008
5.007
5.006
12VIN
25VIN
5.005
0.00
0.25
0.50
0.75
1.00
1.25
1.50
OUTPUT LOAD (A)
FIGURE 11. VOUT REGULATION vs LOAD, 5VOUT
1.6
1.4
1.2
1.0
25VIN
0.8
0.6
12VIN
0.4
0.2
0
0.00
0.25
0.50
0.75
1.00
7VIN
1.25
1.50
OUTPUT LOAD (A)
FIGURE 12. POWER DISSIPATION vs LOAD, 3.3VOUT
0.12
0.10
0.08
0.06
0.04
NO LOAD
0.02
0.00
5 7 9 11 13 15 17 19 21 23 25
INPUT VOLTAGE (V)
FIGURE 13. INPUT POWER vs VIN, VOUT = 3.3V
3.320
3.318
2A LOAD
3.316
3.314
3.312
NO LOAD
1A LOAD
3.310
57
9 11 13 15 17 19 21 23 25
INPUT VOLTAGE (V)
FIGURE 14. OUTPUT VOLTAGE REGULATION vs VIN
10
FN6516.2
December 15, 2008
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