SPV1040 datasheet(7/15 Pages) STMICROELECTRONICS

部件名	SPV1040

功能描述	High efficiency solar battery charger with embedded MPPT

PDF	15 Pages

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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7 / 15 page

SPV1040

Electrical characteristics

Doc ID 18080 Rev 3

7/15

Thermal shutdown

Tshutdown

Overtemperature

threshold for turn OFF

Temperature increasing

155

°C

Overtemperature

threshold for turn ON

Temperature decreasing

130

°C

In order to increase the Vout as much as possible up to 5.2 V a Schottky diode must be placed between the

Lx and Vout pins, as shown in Figure 2.

Given Tj = Ta + RthJA x PD, and assuming RthJA = 135°C/W, and that in order to avoid device destruction

Tjmax must be

≤ 125 °C, and that in the worst conditions T

A = 85 °C, the power dissipated inside the

device is given by:

Therefore, if in the worst case the efficiency is assumed to be 90%, then PIN-MAX = 3.3 W and POUT-MAX = 3 W.

Table 5.

Electrical characteristics (continued)

Symbol

Parameter

Test condition

Min

Typ

Max

Unit

–

thJA

-----------------

≤

295mW

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