EL7551 Ver la hoja de datos (PDF) - Intersil
Número de pieza
componentes Descripción
Fabricante
EL7551 Datasheet PDF : 9 Pages
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Typical Performance Curves
EL7551
Efficiency vs IO
VIN=5V
100
VO=2.5V
95
VO=1.8V
VO=1.5V
90
85
80
VO=3.3V
VO=1.2V
VO=1V
75
70
65
60
0.1
FS=500kHz
L=Coilcraft DO3316P-472
0.2
0.4
0.6
0.8
1
Load Current IO (A)
Efficiency vs IO
VO=3.3V
100
VIN=4.5V
95
90
VIN=5V
85
80
VIN=5.5V
75
70
65
FS=500kHz
L=Coilcraft DO3316P-472
60
0
0.2
0.4
0.6
0.8
1
Load Current IO (A)
Line Regulation
VO=3.3V
0.6
0.5
0.4
0.3
IO=0.1A
0.2
0.1
0
IO=1A
-0.1
-0.2
-0.3
-0.4
4.5
4.7
4.9
5.1
5.3
5.5
VIN (V)
Power Loss vs IO
VIN=5V
0.25
0.2
0.15
VO=3.3V
0.1
0.05
VO=1V
0
0
0.2
0.4
0.6
0.8
1
Output Current IO (A)
Load Regulation
VO=3.3V
0.6
0.4
VIN=5.5V
0.2
VIN=5V
0
-0.2
VIN=4.5V
-0.4
-0.6
0
0.2
0.4
0.6
0.8
1
Load Current IO (A)
VREF vs Temperature
1.258
1.256
1.254
1.252
1.25
1.248
1.246
1.244
1.242
-40
10
60
110
160
Temperature (°C)
4
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