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USB5537B Scheda tecnica(PDF) 63 Page - Microchip Technology

Il numero della parte USB5537B
Spiegazioni elettronici  7-Port SS/HS USB Hub Controller
PDF  79 Pages
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Produttore elettronici  MICROCHIP [Microchip Technology]
Homepage  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

USB5537B Scheda tecnica(HTML) 63 Page - Microchip Technology

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 2012 - 2015 Microchip Technology Inc.
DS00001682C-page 63
USB5537B
6.0
DC PARAMETERS
6.1
Maximum Ratings
Note 1: Stresses above the specified parameters could cause permanent damage to the device. This is a stress rat-
ing only. Therefore, functional operation of the device at any condition above those indicated in the operation
sections of this specification are not implied.
2: When powering this device from laboratory or system power supplies, it is important that the absolute max-
imum ratings not be exceeded or device failure can result. Some power supplies exhibit voltage spikes on
their outputs when the AC power is switched on or off. In addition, voltage transients on the AC power line
may appear on the DC output. When this possibility exists, it is suggested that a clamp circuit be used.
6.2
Operating Conditions
Parameter
Symbol
MIN
MAX
Units
Comments
Storage Temperature
TA
-55
150
°C
Lead Temperature
°C
Refer to JEDEC Specification J-STD-
020D.
1.25 V supply voltage
VDD12
-0.5
1.6
V
3.3 V supply voltage
VDD33
-0.5
4.0
V
Voltage on USB+ and
USB- pins
-0.5
(3.3 V supply
voltage + 2)
6
V
Voltage on any signal
powered by VDD33
rail
-0.5
VDD33 + 0.3
V
Voltage on any signal
pin powered by the
VDD12
-0.5
VDD12 + 0.3
V
HBM ESD
Performance
2kV
Power Consumption
2.0
W
Parameter
Symbol
MIN
MAX
Units
Comments
USB5537B Operating
Temperature
TA
070
°C
Die Temperature
TJ
115
°C
1.25 V supply voltage
VDD12
1.22
1.31
V
3.3 V supply voltage
VDD33
3.0
3.6
V
1.25 V supply rise time tRT
0400
s(Table 6-1)
3.3 V supply rise time
tRT
0400
s(Table 6-1)
Voltage on
USB+ and USB- pins
-0.3
5.5
V
If any 3.3 V supply voltage drops
below 3.0 V, then the MAX
becomes:
(3.3 V supply voltage) + 0.5
 5.5
Voltage on any signal
powered by VDD33 rail
-0.3
VDD33
V



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