STBB2 Datasheet, PDF (11/25 Pages) STMicroelectronics – 800 mA 2.5 MHz, high efficiency dual mode buck-boost DC-DC converter

STBB2
Typical performance characteristics
Figure 7. Efficiency vs. output current (power save mode enabled V_OUT = 3.4 V)
100
90
80
70
60
V_OUT = 3.4 V
50
40
30
20
Power save mode enabled
10
Vin = 2.5 V
Vin = 3.6 V
Vin = 4.5 V
0
1
10
100
1000
I_OUT [mA ]
AM01436v1
Figure 8. Efficiency vs. output current (power save mode disabled V_OUT = 3.4 V)
100
AM10437v1
90
80
70
60
V_OUT = 3.4 V
50
40
30
20
10
0
1
Power save mode disabled
10
100
Vin = 2.5V
Vin = 3.6V
Vin = 4.5V
1000
I_OUT [mA]
Figure 9. Efficiency vs. output current (power save mode enabled V_OUT = 2.9 V)
100
AM10438v1
90
80
70
60
V_OUT = 2.9 V
50
40
30
20
Power save mode enabled
10
Vin = 2.5V
Vin = 3.6V
Vin = 4.5V
0
1
10
100
1000
I_OUT [mA]
DocID022745 Rev 9
11/25