ISL8510 데이터 시트보기 (PDF) - Renesas Electronics
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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.
100
90
80
70
60
1.8VOUT 2.5VOUT 3.3VOUT
50
1.5VOUT
40
30
1.2VOUT
20
10
0
0.00
0.25
0.50
0.75
1.00
OUTPUT LOAD (A)
5.0VOUT
1.25
1.50
100
90
80
70
60
2.5VOUT 3.3VOUT
50
1.5VOUT
40
1.2VOUT
30
20
1.8VOUT
10
0
0.00
0.25
0.50
0.75
1.00
OUTPUT LOAD (A)
5.0VOUT
1.25
1.50
FIGURE 3. EFFICIENCY vs LOAD, VIN = 7V
FIGURE 4. EFFICIENCY vs LOAD, VIN = 12V
90
80
70
60
50
40
30
20
10
0
0.00
3.3VOUT
2.5VOUT
1.8VOUT
1.5VOUT
1.2VOUT
0.25
0.50
0.75
1.00
OUTPUT LOAD (A)
5.0VOUT
1.25
1.50
FIGURE 5. EFFICIENCY vs LOAD, VIN = 25V
1.218
1.217
1.216
7VIN
1.215
1.214
1.213
12VIN
25VIN
1.212
0.00
0.25
0.50
0.75
1.00
1.25
1.50
OUTPUT LOAD (A)
FIGURE 6. VOUT REGULATION vs LOAD, 500kHz 1.2VOUT
1.508
1.507
7VIN
1.506
12VIN
25VIN
1.505
0.00
0.25
0.50
0.75
1.00
1.25
1.50
OUTPUT LOAD (A)
FIGURE 7. VOUT REGULATION vs LOAD, 500kHz 1.2VOUT
1.809
1.808
7VIN
1.807
12VIN
25VIN
1.806
0.00
0.25
0.50
0.75
1.00
1.25
1.50
OUTPUT LOAD (A)
FIGURE 8. VOUT REGULATION vs LOAD, 500kHz 1.8VOUT
FN6516 Rev 2.00
December 15, 2008
Page 9 of 21
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