Datasheet

DocID18080 Rev 5 9/15
SPV1040 Typical characteristics
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Figure 8. Efficiency vs output voltage
5 PV cells - V
mp
= 2.5 V, L
X
= 33 µH
Figure 9. MPPT efficiency vs output voltage
5 PV cells - V
mp
= 2.5 V, L
X
= 33 µH
Pin = 0.25 W
Pin = 0.5 W
Pin = 1.0 W
Pin = 1.5 W
Pin = 2.0 W
Pin = 2.5 W
Pin = 3.0 W
Pin = 3.5 W
P out/ P in
86
84
82
80
3
4
V
out (V)
(%)
3.5
4.5
88
90
92
94
96
98
AM14864v1
Pin = 0.25 W
Pin = 0.5 W
Pin = 1.0 W
Pin = 1.5 W
Pin = 2.0 W
Pin = 2.5 W
Pin = 3.0 W
Pin = 3.5 W
Pin/Pmax
91
89
87
85
3
4
V
out(V)
(%)
3.5
4.5
93
95
97
AM14865v1
Figure 10. V
LX
and I
LX
waveforms - D = 39% Figure 11. V
LX
and I
LX
waveforms - D = 68%
I
LX
V
LX
V
OUT
= 3V
I
LX
V
LX
V
OUT
= 3V