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USB2513 Scheda tecnica(PDF) 54 Page - Microchip Technology

Il numero della parte USB2513
Spiegazioni elettronici  USB 2.0 Hi-Speed Hub Controller
PDF  63 Pages
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Produttore elettronici  MICROCHIP [Microchip Technology]
Homepage  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

USB2513 Scheda tecnica(HTML) 54 Page - Microchip Technology

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USB 2.0 Hi-Speed Hub Controller
Datasheet
Revision 2.2 (02-17-12)
54
SMSC USB251xB/xBi
DATASHEET
6.2.1
Package Thermal Specifications
Thermal parameters are measured or estimated for devices with the exposed pad soldered to thermal
vias in a multilayer 2S2P PCB per JESD51. Thermal resistance is measured from the die to the
ambient air. The values provided are based on the package body, die size, maximum power
consumption, 85°C ambient temperature, and 125°C junction temperature of the die.
Table 6.9 Package Thermal Resistance Parameters
Use the following formulas to calculate the junction temperature:
TJ = P x ΘJA + TA
TJ = P x ΨJT + TT
SYMBOL
USB2512B/12Bi
USB2513B/13Bi
USB2514B/14Bi
(
°C/W)
VELOCITY
(meters/s)
ΘJA
40.1
0
35.0
1
ΨJT
0.5
0
0.7
1
ΘJC
6.3
0
6.3
1
Table 6.10 Package Thermal Resistance Parameters
SYMBOL
USB2512B/12Bi USB2513B/13Bi
USB2514B/14Bi
(
°C/W)
VELOCITY (meters/s)
ΘJA
40.1
0
35.0
1
ΨJT
0.5
0
0.7
1
ΘJC
6.3
0
6.3
1



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