Datasheet

Typical performance L6920DC
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4 Typical performance
Figure 2. Efficiency vs output current @ V
OUT
= 3.3V
Figure 3. Efficiency vs output current @ V
OUT
= 5V
Figure 4. Start up voltage vs output current @ V
out
= 5V & V
out
= 3.3V
40
45
50
55
60
65
70
75
80
85
90
95
0. 1 1 10 100 100
0
Vi n=2. 4V
Vi n=1. 2V
L6920DB
Vout =3. 3V
L=10 µH
Cout =47 µF
Ci n=10µF
L6920DC
0
10
20
30
40
50
60
70
80
90
100
0. 1 1 10 100 100
0
Vi n=3.6V
Vi n=2.4V
Vin=1 . 2V
L6920DB
Vout =5V
L=10 µH
Cout=47µF
Ci n=10µF
L6920DC
VStart up vs . out put cur rent
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
0.1 1 10 100 1000
Output curr ent (mA)
VStar t up (mV)
VStart up v s. output current
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
0.1 1 10 100 1000
Out put cur r ent (mA)
VStart up (mV)
Vout =3.3V
Vout =5V