ISL8501 查看數據表（PDF） - Renesas Electronics
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ISL8501 Datasheet PDF : 19 Pages
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ISL8501
Typical Performance Curves Circuit of Figure 2. VIN = 12V, VIN_LDO1 = VIN_LDO2 = VOUT1 = 3.3V, IOUT1 = 1A, VLDO1 = 1.2V,
ILDO1 = 450mA, VLDO2 = 1.8V, ILDO2 = 450mA, TA = -40°C to +85°C unless otherwise noted.
Typical values are at TA = +25°C. (Continued)
2.503
3.320
2.503
2.502
7VIN
3.318
3.315
3.313
7VIN
2.502
2.501
2.501
12VIN
25VIN
3.310
3.308
3.305
3.303
12VIN
25VIN
2.500
0.00
0.25
0.50
0.75
1.00
1.25
1.50
OUTPUT LOAD (A)
3.300
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
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
FN6500 Rev 1.00
July 12, 2007
Page 9 of 19
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