L6920DB 查看數據表（PDF） - STMicroelectronics
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L6920DB Datasheet PDF : 16 Pages
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Typical performance
4
Typical performance
L6920DB
Figure 2. Efficiency vs output current @ VOUT = 3.3V
95
90
Vin=2.4V
85
80
Vin=1.2V
75
70
65
60
55
50
45
40
0.1
1
10
100
L6920DB
Vout=3.3V
L=10µH
Cout=47µF
Cin=10µF
1000
Figure 3. Efficiency vs output current @ VOUT = 5V
100
Vin=3.6V
90
80
70
Vin=1.2V
60
50
40
30
20
10
0
0.1
1
10
Vin=2.4V
L6920DB
Vout=5V
L=10µH
Cout=47µF
Cin=10µF
100
1000
Figure 4. Start up voltage vs output current @ Vout = 5V & Vout = 3.3V
VStart up vs . out put cur rent
VStart up v s. output current
1600
Vout =5V
1500
1400
1300
1200
1100
1000
900
800
700
600
0.1
1
10
100
Output cu rrent (mA)
1000
1600
1500
Vout =3.3V
1400
1300
1200
1100
1000
900
800
700
600
0.1
1
10
100
Output current (mA)
1000
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