EL7564C
Monolithic 4 Amp DC:DC Step-down Regulator
Typical Performance Curves (20-Pin SO Package)
*Note: The 28-Pin HTSSOP Package Offers Improved Performance
*Efficiency vs I (V =5V)
*Efficiency vs I (V =3.3V)
O O
O
IN
100
95
90
85
80
75
70
65
60
100
95
90
85
80
75
70
65
60
V
=4.5V
IN
V =3.3V
O
V
=5V
IN
V
=5.5V
IN
V =2.8V
O
V =1.8V
O
0
0.5
1
1.5
2
2.5
3
3.5
4
0
0.5
1
1.5
2
2.5
3
3.5
4
Load Current I (A)
Load Current I (A)
O
O
*Power Loss vs I (V =5V)
Load Regulations (V =3.3V)
O
O
IN
2
3.325
3.315
3.305
3.295
3.285
3.275
V =3.3V
V =5.5V
IN
O
1.6
1.2
0.8
0.4
0
V =2.8V
O
V =1.8V
O
V =5V
IN
V =4.5V
IN
0.5
1
1.5
2
2.5
3
3.5
4
0
0.5
1
1.5
2
2.5
3
3.5
4
Output Current I (A)
Load Current I (A)
O
O
Line Regulation (V =3.3V)
V
REF
vs Die Temperature
O
1.27
1.268
1.266
1.264
1.262
1.26
3.325
3.315
3.305
3.295
3.285
3.275
I =0.5A
O
I =2A
O
1.258
1.256
I =4A
O
4.5
4.75
5
5.25
5.5
-50
-10
30
70
110
150
V
IN
(V)
Die Temperature (°C)
5
ELANTEC [ ELANTEC SEMICONDUCTOR ]
