isl8540 Intersil Corporation, isl8540 Datasheet - Page 8

• Manufacturer Part Number: isl8540
• Description: Dc/dc Power Switching Regulator
• Manufacturer: Intersil Corporation

Typical Performance Curves
FIGURE 10. V
FIGURE 12. OUTPUT VOLTAGE REGULATION vs V
FIGURE 14. OUTPUT VOLTAGE REGULATION vs V
24.75
24.50
24.25
24.00
23.75
23.50
23.25
5.10
5.05
5.00
4.95
4.90
4.85
4.80
24.4
24.3
24.2
24.1
24.0
23.9
23.8
0.0
5
5
(V
(V
(V
OUT
10
10
OUT
OUT
OUT
REGULATION vs LOAD
= 24V - 500kHz)
= 5V - 500kHz)
= 5V - 500kHz)
0.5
I
15
15
OUT
I
OUT
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
OUTPUT LOAD (A)
= 0A
= 2A
I
OUT
20
20
8
I
OUT
1.0
= 0A
= 2A
I
OUT
25
25
= 1A
Circuit of Figure 2, V
Typical values are at T
30
30
1.5
I
OUT
36V V
IN
= 1A
IN
35
35
IN
2.0
40
40
ISL8540
IN
A
= 24V, EN# = 0V, FS = 500KHz, V
= +25°C. (Continued)
FIGURE 13. OUTPUT VOLTAGE REGULATION vs V
FIGURE 15. POWER DISSIPATION vs LOAD
FIGURE 11. OUTPUT VOLTAGE REGULATION vs V
12.3
12.2
12.1
12.0
11.9
11.8
11.7
3.4
3.4
3.3
3.3
3.3
3.2
3.2
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0.0
5
5
MODE
(V
(V
10
10
OUT
OUT
= 5V - 500kHz)
= 3.3V - 500kHz)
2A LOAD
0.5
15
15
OUT
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
OUTPUT LOAD (A)
1A LOAD
= 5V, unless otherwise noted.
I
OUT
20
20
12V V
1.0
= 0A
I
OUT
IN
25
25
= 2A
36V V
NO LOAD
24V V
I
OUT
30
30
IN
1.5
IN
September 18, 2007
= 1A
IN
IN
35
35
PWM
FN6495.4
2.0
40
40