AN3392 datasheet(44/57 Pages) STMICROELECTRONICS

부품명	AN3392

상세설명	The SPV1020 is a monolithic DC-DC boost converter designed

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SPV1020 parallel and series connection

AN3392

44/57

Doc ID 018749 Rev 1

Equation 36

so,

Equation 37

Each SPV1020 contributes to the output power providing Ioutx according to the irradiation of

its panel.

Furthermore, the desired VOUT is guaranteed if at least one of the 3 PV panels provides

enough power to turn on the related SPV1020.

B.2

SPV1020 series connection

This topology provides an output voltage that is the sum of the output voltages of each

SPV1020 connected in series. The following shows how the output power is impacted by the

topology.

Figure 29 shows a detail of the series connection topology:

Figure 29.

SPV1020, output series connection

In this case, the topology implies:

Equation 38

Equation 39

Pinx

Vinx

Iinx X

1..3

[]

⋅

Pout

Vout Iout1

Iout2

Iout3

() ηPin1 ηPin2 η Pin3

Iout

Iout1

Iout2

Iout3

Vout

Vout1

Vout2

Vout3

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