E-L6920D Datasheet, PDF (4/13 Pages) STMicroelectronics – 1V HIGH EFFICIENCY SYNCRONOUS STEP UP CONVERTER

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