isl8560 Intersil Corporation, isl8560 Datasheet - Page 9

• Manufacturer Part Number: isl8560
• Description: Dc/dc Power Switching Regulator
• Manufacturer: Intersil Corporation

Typical Performance Curves
FIGURE 16. OUTPUT VOLTAGE REGULATION vs V
FIGURE 18. OUTPUT VOLTAGE REGULATION vs V
FIGURE 20. POWER DISSIPATION vs V
12.3
12.2
12.1
12.0
11.9
11.8
11.7
900
800
700
600
500
400
300
200
100
3.4
3.4
3.3
3.3
3.3
3.2
3.2
0
5
5
5
2A LOAD
(PWM MODE)
(V
(V
15
15
15
1A LOAD
OUT
OUT
= 12V - 500kHz)
= 5V - 5000kHz)
25
25
25
I
OUT
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
= 1A
35
35
35
I
OUT
9
V
IN
= 2A
(V)
NO LOAD
45
45
45
IN
I
OUT
AT NO LOAD
(Continued)
55
55
55
I
= 0A
OUT
= 0A
IN
IN
65
65
65
75
75
75
ISL8560
FIGURE 17. OUTPUT VOLTAGE REGULATION vs V
FIGURE 19. OUTPUT VOLTAGE REGULATION vs V
RTCT = 2V/DIV
V
24.75
24.50
24.25
24.00
23.75
23.50
23.25
FIGURE 21. STEADY STATE OPERATION AT NO LOAD
5.10
5.05
5.00
4.95
4.90
4.85
4.80
OUT
5
5
RIPPLE = 50mV/DIV
(V
(V
15
15
OUT
OUT
LX = 10V/DIV
= 5V - 500kHz)
= 24V - 500kHz)
25
25
I
OUT
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
I
OUT
= 1A
35
35
= 2A
I
OUT
I
= 1A
45
OUT
45
= 2A
I
55
55
OUT
I
OUT
IL = 0.2A/DIV
September 18, 2007
= 0A
= 0A
IN
IN
65
65
FN9244.6
75
75