isl8501 Intersil Corporation, isl8501 Datasheet - Page 8

• Manufacturer Part Number: isl8501
• Description: Triple Output Controller With 1a Standard Buck Pwm And Dual Ldos
• Manufacturer: Intersil Corporation

Typical Performance Curves
1.508
1.508
1.507
1.507
1.506
1.506
1.505
FIGURE 7. V
100
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0.00
0
0.00
0
0.00
FIGURE 5. EFFICIENCY vs LOAD, V
FIGURE 3. EFFICIENCY vs LOAD, V
1.2V
1.2V
0.25
0.25
OUT
0.25
OUT
1.5V
OUT
1.5V
1.8V
OUT
REGULATION vs LOAD, 500kHz 1.2V
1.8V
OUT
OUT
0.50
0.50
0.50
OUT
OUTPUT LOAD (A)
OUTPUT LOAD (A)
OUTPUT LOAD (A)
12V
2.5V
2.5V
8
IN
0.75
OUT
0.75
0.75
OUT
7V
3.3V
IN
3.3V
1.00
1.00
OUT
1.00
25V
I
Typical values are at T
Circuit of Figure 2. V
OUT
LDO1
IN
IN
IN
= 25V
= 7V
= 450mA, V
5.0V
1.25
5.0V
1.25
1.25
OUT
OUT
OUT
1.50
1.50
1.50
LDO2
ISL8501
IN
A
= 12V, VIN_LDO1 = VIN_LDO2 = V
= 1.8V, I
= +25°C.
LDO2
1.218
1.217
1.216
1.215
1.214
1.213
1.212
FIGURE 6. V
1.809
1.809
1.808
1.808
1.807
1.807
1.806
FIGURE 8. V
100
90
80
70
60
50
40
30
20
10
0.00
= 450mA, T
0.00
0
0.00
FIGURE 4. EFFICIENCY vs LOAD, V
1.8V
0.25
0.25
0.25
OUT
OUT
OUT
A
1.2V
= -40°C to +85°C unless otherwise noted.
REGULATION vs LOAD, 500kHz 1.2V
REGULATION vs LOAD, 500kHz 1.8V
1.5V
OUT
0.50
0.50
0.50
OUT
OUT1
OUTPUT LOAD (A)
OUTPUT LOAD (A)
12V
OUTPUT LOAD (A)
2.5V
12V
IN
= 3.3V, I
OUT
IN
0.75
0.75
0.75
7V
IN
7V
OUT1
3.3V
IN
1.00
1.00
1.00
25V
OUT
25V
= 1A, V
IN
IN
IN
= 12V
1.25
5.0V
1.25
1.25
LDO1
OUT
July 12, 2007
FN6500.1
= 1.2V,
OUT
OUT
1.50
1.50
1.50