BU33DV7NUX Datasheet, PDF (7/27 Pages) Rohm – 1.8V to 5.5V, 300mA 1ch Synchronous Boost DC/DC Converter

BU33DV7NUX
●Electrical characteristic curves (Reference data) - Continued
・Efficiency - Continued
Datasheet
100.0
90.0
Efficiency VIN=1.8V
Ta=-40℃
100.0
90.0
Ta=-40℃
Efficiency VIN=2.4V
80.0
70.0
Ta=25℃
60.0
Ta=85℃
80.0
Ta=85℃
70.0
Ta=25℃
60.0
50.0
50.0
40.0
40.0
30.0
30.0
20.0
20.0
10.0
10.0
0.0
0.1
1
10
100
Iout [mA]
Figure 13. Efficiency PFM VIN=1.8V
1000
0.0
0.1
1
10
100
Iout [mA]
Figure 14. Efficiency PFM VIN=2.4V
1000
100.0
90.0
Efficiency VIN=3.2V
Ta=-40℃
80.0
70.0
Ta=25℃
60.0
50.0
Ta=85℃
40.0
30.0
20.0
10.0
0.0
0.1
1
10
100
Iout [mA]
Figure 15. Efficiency PFM VIN=3.2V
1000
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TSZ22111・15・001
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TSZ02201-0Q1Q0AH00110-1-2
02.Aug.2012 Rev.001