ISL8112 Intersil Corporation, ISL8112 Datasheet - Page 10

• Manufacturer Part Number: ISL8112
• Description: Main Power Supply Controllers
• Manufacturer: Intersil Corporation

Typical Performance Curves
450
400
350
300
250
200
150
100
600
500
400
300
200
100
5.04
5.02
5.00
4.98
4.96
4.94
4.92
4.90
4.88
4.86
4.84
50
0
0
0.001
0.001
0
FIGURE 9. V
FIGURE 11. V
SKIP
FIGURE 13. LDO OUTPUT 5V vs LOAD
ULTRA-SKIP
0.010
0.010
50
OUT2
OUT1
OUTPUT LOAD (mA)
OUTPUT LOAD (A)
= 3.3V FREQUENCY vs LOAD
OUTPUT LOAD (A)
ULTRA-SKIP
= 5V FREQUENCY vs LOAD
PWM
BYP = 0V
10
BYP = 5V
0.100
0.100
100
PWM
SKIP
Circuit of Figure 17 and Figure 18, no load on LDO, VSEN1, VSEN2, VREF2, and VREF1,
V
unless otherwise noted. Typical values are at T
IN
1.000
1.000
150
= 12V, EN2 = EN1 = VCC, VBYP = 5V, PVCC = 5V, VEN_LDO = 5V, T
10.000
10.000
200
ISL8112
14
12
10
40
35
30
25
20
15
10
3.35
3.30
3.25
3.20
3.15
3.10
3.05
3.00
8
6
4
2
0
5
0
0.001
0.001
0
ULTRA-SKIP
FIGURE 10. V
FIGURE 12. V
FIGURE 14. LDO OUTPUT 3.3V vs LOAD
A
SKIP
= +25°C. (Continued)
PWM
0.010
0.010
50
ULTRA-SKIP
OUT2
BYP = 3.3V
OUT1
OUTPUT LOAD (A)
OUTPUT LOAD (mA)
OUTPUT LOAD (A)
PWM
= 3.3V RIPPLE vs LOAD
= 5V RIPPLE vs LOAD
0.100
0.100
100
BYP = 0V
A
= -40°C to +100°C,
SKIP
1.000
1.000
150
November 21, 2006
10.000
FN6396.0
10.000
200