el7564 Intersil Corporation, el7564 Datasheet - Page 7

• Manufacturer Part Number: el7564
• Description: Monolithic 4 Amp Dc/dc Step-down Regulator
• Manufacturer: Intersil Corporation

Typical Performance Curves
FIGURE 9. OSCILLATOR FREQUENCY vs TEMPERATURE
1.268
1.266
1.264
1.262
1.258
1.256
1.27
1.26
360
350
340
330
320
310
300
290
280
8
7
6
5
4
3
-40
-40
-50
FIGURE 13. V
FIGURE 11. CURRENT LIMIT vs T
-20
I
I
O
O
V
-20
=4A
=0A
IN
-10
=5.5V
0
DIE TEMPERATURE (°C)
REF
TEMPERATURE (°C)
V
0
20
IN
30
=4.5V
vs DIE TEMPERATURE
T
7
J
40
20
(°C)
70
60
V
IN
40
=5V
(Continued)
80
110
J
60
100
120
150
80
EL7564
'V
'V
V
1000
900
800
700
600
500
400
300
200
100
FIGURE 10. SWITCHING FREQUENCY vs C
LX
FIGURE 12. VTJ vs JUNCTION TEMPERATURE
1.5
1.3
1.1
0.9
IN
i
O
L
100
0
V
FIGURE 14. SWITCHING WAVEFORMS
IN
=5V, V
200
25
O
300
JUNCTION TEMPERATURE (°C)
=3.3V, I
400
50
O
=4A
C
500
OSC
75
600
(pF)
700
100
800
125
900
OSC
May 9, 2005
1000
150
FN7297.3