EL7564C
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
O
(V
IN
=5V)
100
95
90
Efficiency (%)
Efficiency (%)
85
80
75
70
65
60
0
0.5
1
1.5
2
2.5
3
3.5
4
V
O
=2.8V
V
O
=1.8V
V
O
=3.3V
100
95
90
85
80
75
70
65
60
*Efficiency vs I
O
(V
O
=3.3V)
V
IN
=4.5V
V
IN
=5V
V
IN
=5.5V
0
0.5
1
1.5
2
2.5
3
3.5
4
Load Current I
O
(A)
*Power Loss vs I
O
(V
IN
=5V)
2
3.325
1.6
Power Loss (Watts)
1.2
0.8
0.4
0
V
O
=1.8V
V
O
=3.3V
Output Voltage (V)
V
O
=2.8V
3.315
3.305
3.295
3.285
3.275
0.5
Load Current I
O
(A)
Load Regulations (V
O
=3.3V)
V
IN
=5.5V
V
IN
=5V
V
IN
=4.5V
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
O
(A)
Line Regulation (V
O
=3.3V)
1.27
3.325
3.315
V
O
(V)
3.305
3.295
3.285
I
O
=4A
3.275
4.5
4.75
5
V
IN
(V)
5.25
5.5
V
REF
(V)
I
O
=0.5A
I
O
=2A
1.268
1.266
1.264
1.262
1.26
1.258
1.256
-50
-10
Load Current I
O
(A)
V
REF
vs Die Temperature
30
70
110
150
Die Temperature (°C)
5
ELANTEC [ ELANTEC SEMICONDUCTOR ]
