SPV1040 STMicroelectronics, SPV1040 Datasheet - Page 7

• Manufacturer Part Number: SPV1040
• Description: High efficiency solar battery charger with embedded MPPT
• Manufacturer: STMicroelectronics

SPV1040
Table 5.
1. In order to increase the Vout as much as possible up to 5.2 V a Schottky diode must be placed between the
2. Given T
Therefore, if in the worst case the efficiency is assumed to be 90%, then P
Thermal shutdown
T
Symbol
Lx and Vout pins, as shown in
Tjmax must be
device is given by:
shutdown
j
= T
Electrical characteristics (continued)
a
Overtemperature
threshold for turn OFF
Overtemperature
threshold for turn ON
+ R
≤
thJA
125 °C, and that in the worst conditions T
Parameter
x P
D
, and assuming R
Figure
Doc ID 18080 Rev 3
2.
P
Temperature increasing
Temperature decreasing
D
≤
thJA
T
---------------- -
R
j
= 135°C/W, and that in order to avoid device destruction
thJA
–
T
Test condition
a
=
295mW
A
= 85 °C, the power dissipated inside the
IN-MAX
= 3.3 W and P
Electrical characteristics
Min Typ
155
130
OUT-MAX
Max Unit
= 3 W.
°C
°C
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