l6920 STMicroelectronics, l6920 Datasheet - Page 4

• Manufacturer Part Number: l6920
• Description: 1v High Efficiency Syncronous Step Up Converter
• Manufacturer: STMicroelectronics

L6920
Figure 3. Efficiency vs. Output Current
Figure 4. Efficiency vs. Output Current
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100
100
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
0.01
0.01
0.1
0.1
LOAD CURRENT [mA]
LOAD CURRENT [mA]
1
1
Vout = 5V
L = 47µH
C = 100µF
f
Vin = 1.2V
10
10
Vin = 1.2V
Vout = 3.3V
L = 47µH
C = 100µF
Vin = 3.6V
Vin = 2.4V
Vin = 2.4V
100
100
1000
1000
Figure 5. Startup Voltage vs Output Current
1.4
1.2
0.8
0.6
0.4
0.2
1
0
30
60
Output current (mA)
90
120
L = 47µH
C = 22µF
150
180