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LAN8804 датащи(PDF) 70 Page - Microchip Technology

номер детали LAN8804
подробное описание детали  4-Port Gigabit Ethernet Transceiver with QSGMII Support
PDF  91 Pages
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производитель  MICROCHIP [Microchip Technology]
домашняя страница  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

LAN8804 датащи(HTML) 70 Page - Microchip Technology

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LAN8804
DS00003591G-page 70
© 2024 Microchip Technology Inc. and its subsidiaries
Note 6-18
Value when LDO is enabled. VLDO_O maximum may be as high as VDDAH when LDO is disabled.
TABLE 6-13: LDO CONTROLLER
Parameter
Symbol
Min
Typ
Max
Units
Notes
Output drive range for
LDO_O to gate input of P-
channel MOSFET
VLDO_O
0.85
—
2.8
(Note 6-18)
V
VDDAH = 3.3V
for MOSFET source voltage
0.85
—
2.0
(Note 6-18)
V
VDDAH = 2.5V
for MOSFET source voltage
Output of P-channel
MOSFET
—
1.1
1.16
1.21
V
Note:
A capacitor between 1.1V and ground is required to meet the parameters in this table. See Section 4.1.1,
"MOSFET Selection" for details.
TABLE 6-14: POR THRESHOLDS
POR
Conditions
Rising Threshold
(Volts)
Falling Threshold
(Volts)
Hysteresis
(Millivolts)
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
1.1V Ethernet
PHY Analog
(
VDDAL)
VDDAH =
2.5V
0.73
0.76
0.80
0.64
0.68
0.80
0
80
114
VDDAH =
3.3V
0.73
0.76
0.82
0.63
0.70
0.82
0
65
120
2.5V/3.3V Ether-
net PHY Analog
(
VDDAH)
—
1.9
2.1
2.2
1.9
2.0
2.1
65
110
145
1.1V Digital Core
(
VDDCORE)
VDDIO = 1.8V
Rise/Fall =
10 µs
0.913
0.929
0.948
0.65
0.68
0.706
0.217
0.248
0.295
VDDIO = 1.8V
Rise/Fall =
10 ms
0.853
0.862
0.876
0.737
0.749
0.758
0.107
0.112
0.122
VDDIO = 2.5V
Rise/Fall =
10 µs
0.916
0.933
0.954
0.644
0.677
0.704
0.221
0.256
0.308
VDDIO = 2.5V
Rise/Fall =
10 ms
0.853
0.862
0.877
0.737
0.749
0.757
0.107
0.112
0.123
VDDIO =3.3V
Rise/Fall =
10 µs
0.918
0.937
0.962
0.638
0.672
0.701
0.226
0.265
0.322
VDDIO =3.3V
Rise/Fall =
10 ms
0.853
0.862
0.877
0.737
0.749
0.757
0.107
0.112
0.123



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