EL7563 INTERSIL [Intersil Corporation], EL7563 Datasheet - Page 7

• Manufacturer Part Number: EL7563
• Description: Monolithic 4 Amp DC:DC Step-Down Regulator
• Manufacturer: INTERSIL [Intersil Corporation]

Typical Performance Curves (20 Pin SO Package)
NOTE: The 28-Pin HTSSOP Package Offers Improved Performance
FIGURE 11. SWITCHING FREQUENCY vs TEMPERATURE
FIGURE 9. EL7563CM JUNCTION TEMPERATURE RISE ON
360
350
340
330
320
310
300
290
280
8
7
6
5
4
3
-40
60
50
40
30
20
10
-40
0
0
DEMO BOARD
FIGURE 13. CURRENT LIMIT vs T
-20
I
I
O
O
V
=4A
=0A
-20
IN
=3.6V
0
1
TEMPERATURE (°C)
0
V
20
100 LFM
IN
=3V
T
7
I
J
O
40
20
(°C)
NO AIRFLOW
2
(A)
500 LPF
60
V
IN
40
=3.3V
80
3
200 LFM
J
60
100
4
120
80
EL7563
FIGURE 10. EL7563CRE JUNCTION TEMPERATURE RISE
(Continued)
1000
FIGURE 12. SWITCHING FREQUENCY vs C
1.5
1.3
1.1
0.9
900
800
700
600
500
400
300
200
100
FIGURE 14. VTJ vs JUNCTION TEMPERATURE
45
40
35
30
25
20
15
10
100
0
5
0
1
ON DEMO BOARD - NO AIR FLOW
200
25
1.5
JUNCTION TEMPERATURE (°C)
300
50
400
2
C
500
OSC
I
O
2.5
75
(A)
600
(pF)
100
3
700
800
3.5
125
900
OSC
May 13, 2005
4
150
1000
FN7296.2