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MIC5202 датащи(PDF) 13 Page - Microchip Technology

номер детали MIC5202
подробное описание детали  Dual 100 mA Low-Dropout Regulator
PDF  22 Pages
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производитель  MICROCHIP [Microchip Technology]
домашняя страница  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MIC5202 датащи(HTML) 13 Page - Microchip Technology

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 2016 Microchip Technology Inc.
DS20005614A-page 13
MIC5202
5.0
THERMAL CONSIDERATIONS
5.1
Layout
The MIC5202 (8-pin SOIC package) has the thermal
characteristics shown in Table 5-1, when mounted on a
single-layer copper-clad printed circuit board.
Multi-layer boards with a dedicated ground plane, wide
traces, and large supply bus lines provide better
thermal conductivity.
The “worst case” value of 160°C/W assumes no ground
plane, minimum trace widths, and a FR4 material
board.
5.2
Nominal Power Dissipation and
Die Temperature
At +25°C ambient temperature, the MIC5202 operates
reliably at up to 625 mW when mounted in the “worst
case” manner described in the previous section. At an
ambient temperature of +55°C, the device can safely
dissipate 440 mW. These power levels are equivalent
to a die temperature of +125°C, which corresponds to
the
recommended
maximum
temperature
for
non-military grade silicon integrated circuits.
TABLE 5-1:
THERMAL CHARACTERISTIC
CONSIDERATIONS
PC Board Dielectric
θJA
FR4
160°C/W
Ceramic
120°C/W



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