ISL62870 Intersil Corporation, ISL62870 Datasheet - Page 14

• Manufacturer Part Number: ISL62870
• Description: PWM DC/DC Voltage Regulator Controller
• Manufacturer: Intersil Corporation

Typical Performance
FIGURE 17. START-UP INTO 750mV PRE-BIASED OUTPUT,
FIGURE 15. SWITCHING FREQUENCY AT V
100
-0.2
-0.4
-0.6
-0.8
-1.0
1.0
0.8
0.6
0.4
0.2
0.0
95
90
85
80
75
70
65
60
55
50
0
0
FIGURE 13. EFFICIENCY AT V
V
V
IN
IN
2
2
= 8V
EN
= 12.6V, V
4
4
V
IN
= 12.6V
6
6
OUT
8
8
VOUT
SREF
14
= 1.05V, LOAD = 10A
I
I
OUT
OUT
10
10
V
V
IN
(A)
(A)
IN
= 8V
V
12
= 19V
IN
12
= 12.6V
OUT
14
14
= 1.1V
V
OUT
IN
16
16
= 19V
= 1.1V
18
18
PGOOD
20
20
ISL62870
FIGURE 16. START-UP, V
FIGURE 18. SHUT-DOWN, V
-0.2
-0.4
-0.6
-0.8
-1.0
1.0
0.8
0.6
0.4
0.2
0.0
PGOOD
FIGURE 14. LOAD REGULATION AT V
0
EN
2
V
LOAD = 50mΩ
20us
EN
IN
= 19V
V
4
IN
= 12.6V
6
IN
= 12.6V, V
SREF
VOUT
8
IN
I
= 12.6V, V
OUT
10
(A)
www.DataSheet4U.com
OUT
V
12
IN
OUT
= 8V
= 1.05V, LOAD = 10A
14
OUT
= 1.05V,
16
= 1.1V
VOUT
SREF
August 14, 2008
18
PGOOD
FN6708.0
20