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LTC4263 Datasheet(PDF) 7 Page - Analog Devices

Part # LTC4263
Description  12/24-Port IEEE 802.3bt PoE PSE Controller
PDF  44 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LTC4263 Datasheet(HTML) 7 Page - Analog Devices

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LTC9101-2/LTC9102
7
Rev. 0
For more information www.analog.com
TYPICAL PERFORMANCE CHARACTERISTICS
802.3bt Single-Signature Class
Probe and Demotion
802.3bt Dual-Signature
Power-On Sequence
Open Circuit Detection
Inrush Current Limit (Note 16)
Power-On Current Limits
Single-Signature
802.3bt Single-Signature
Power-On Sequence, 4-Pair
802.3bt Single-Signature
Classification and Power-On, 4-Pair
Single-Signature
Power-On Sequence, Type 1 Mode
(RSENSE = 0.1Ω unless otherwise specified.)
DETECTION/
CONNECTION
CHECK
CLASSIFICATION
POWER
ON
VEE
OUT1A
OUT1B
200ms/DIV
–60
–50
–40
–30
–20
–10
0
9101-2 G01
CLASSIFICATION
POWER
ON
VEE
CLASS8
OUT1A
OUT1B
50ms/DIV
–60
–50
–40
–30
–20
–10
0
9101-2 G02
VEE
100ms/DIV
–60
–50
–40
–30
–20
–10
0
9101-2 G03A
CLASSIFICATION
POWER
ON
DETECTION
CLASSIFICATION
POWER
ON
VEE
CLASS5
DETECTION/
CONNECTION
CHECK
OUT1A
OUT1B
200ms/DIV
–60
–50
–40
–30
–20
–10
0
9101-2 G04
CLASS3
POWER
ON
VEE
CLASS8
PROBE
CLASS 8
CLASS
RESET
DEMOTION
OUT1A
OUT1B
50ms/DIV
–60
–50
–40
–30
–20
–10
0
9101-2 G05
AGND
AGND
BACKOFF
50ms/DIV
OUT1A
5V/DIV
OUT1B
5V/DIV
9101-2 G06
LIMn = 80h
LIMn = 08h
OUTn – VEE (V)
0
11
22
33
44
55
0
20
40
60
80
100
120
0
200
400
600
800
1000
1200
9101-2 G07
AGND – VEE = 55V
CLASS 1–3
CLASS 4–6
CLASS 7
CLASS 8
OUTn – VEE (V)
0
11
22
33
44
55
0
20
40
60
80
100
120
0
200
400
600
800
1000
1200
9101-2 G08
AGND – VEE = 55V



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