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LTC4265 датащи(PDF) 4 Page - Linear Technology

номер детали LTC4265
подробное описание детали  IEEE 802.3at High Power PD Interface Controller with 2-Event Classifi cation Recognition
PDF  20 Pages
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производитель  LINER [Linear Technology]
домашняя страница  http://www.linear.com
Logo LINER - Linear Technology

LTC4265 датащи(HTML) 4 Page - Linear Technology

  LTC4265 Datasheet HTML 1Page - Linear Technology LTC4265 Datasheet HTML 2Page - Linear Technology LTC4265 Datasheet HTML 3Page - Linear Technology LTC4265 Datasheet HTML 4Page - Linear Technology LTC4265 Datasheet HTML 5Page - Linear Technology LTC4265 Datasheet HTML 6Page - Linear Technology LTC4265 Datasheet HTML 7Page - Linear Technology LTC4265 Datasheet HTML 8Page - Linear Technology LTC4265 Datasheet HTML 9Page - Linear Technology Next Button
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LTC4265
4
4265f
TYPICAL PERFORMANCE CHARACTERISTICS
Input Current vs Input Voltage
25k Detection Range
Input Current vs Input Voltage
Input Current vs Input Voltage
GND VOLTAGE (V)
0
0
0.1
0.2
0.3
0.4
0.5
2
468
4265 G01
10
TA = 25°C
GND VOLTAGE (V)
(RISING)
0
0
10
20
30
40
50
10
20
30
40
4265 G02
50
60
TA = 25°C
CLASS 4
CLASS 3
CLASS 2
CLASS 1
CLASS 0
GND VOLTAGE (V)
12
9.5
10.5
14
16
4265 G03
10.0
18
20
22
11.0
85°C
–40°C
CLASS 1 OPERATION
Signature Resistance
vs Input Voltage
PWRGD, T2PSE Output Low
Voltage vs Current
Active High PWRGD
Output Low Voltage vs Current
Inrush Current vs Input Voltage
CURRENT (mA)
0
0.4
0.6
8
4265 G07
0.2
0
2
4
6
10
0.8
TA = 25°C
CURRENT (mA)
0
0
0.4
1.0
0.5
1
4265 G08
0.2
0.8
0.6
1.5
2
TA = 25°C
GND – VOUT = 4V
GND VOLTAGE (V)
40
85
115
45
50
4265 G09
55
60
90
100
105
110
95
90
100
105
110
95
Class Operation vs Time
On Resistance vs Temperature
GND VOLTAGE (V)
1
22
V1:
V2:
23
25
26
27
3
5
4265 G04
24
7
9
610
24
8
28
RESISTANCE =
DIODES: HD01
TA = 25°C
=
V
I
V2 – V1
I2 – I1
IEEE UPPER LIMIT
IEEE LOWER LIMIT
LTC4265 ONLY
LTC4265 + 2 DIODES
INPUT
VOLTAGE
10V/DIV
CLASS
CURRENT
10mA/DIV
TIME (10μs/DIV)
4265 G05
TA = 25°C
JUNCTION TEMPERATURE (°C)
–50
0.2
0.4
0.6
0.8
1.0
–25
025
50
4265 G06
75
100



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