BD9B500MUV Datasheet, PDF (8/34 Pages) Rohm – Integrated MOSFET Single Synchronous Buck DC/DC Converter

BD9B500MUV
Typical Performance Curves - continued
100
90
80 MODE=L
70
60
50
MODE=H
40
30
20
10
0
1
VOUT=3.3V,
FREQ=L
10
100
1000
Load Current [mA]
10000
Figure 8. Efficiency vs Load Current
(VIN=5V, VOUT=3.3V, L=1.0µH, FREQ=L)
100
90
80
MODE=L
70
MODE=H
60
50
40
30
20
10
0
1
VOUT=3.3V
FREQ=H
10
100
1000
Load Current [mA]
10000
Figure 9. Efficiency vs Load Current
(VIN=5V, VOUT=3.3V, L=1.0µH, FREQ=H)
0.808
0.806
0.804
0.802
VIN=5V
0.800
0.798
VIN=3.3V
0.796
0.794
0.792
-40 -20 0 20 40 60 80
Temperature [°C]
Figure 10. FB Voltage vs Temperature
2.60
2.56
2.52
Release
2.48
2.44
2.40
Detect
2.36
-40 -20 0 20 40 60 80
Temperature [°C]
Figure 11. UVLO Threshold vs Temperature
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25.May.2016 Rev.001