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LTC4267 Datasheet(PDF) 6 Page - Linear Technology

Part No. LTC4267
Description  Power over Ethernet IEEE 802.3af PD Interface with Integrated Switching Regulator
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Maker  LINER [Linear Technology]
Homepage  http://www.linear.com
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LTC4267 Datasheet(HTML) 6 Page - Linear Technology

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LTC4267
6
4267f
Reference Voltage vs
Temperature
Reference Voltage vs
Supply Voltage
Oscillator Frequency vs
Temperature
Oscillator Frequency vs
Supply Voltage
PVCC Undervoltage Lockout
Thresholds vs Temperature
PVCC Shunt Regulator Voltage vs
Temperature
IPVCC Supply Current vs
Temperature
TYPICAL PERFOR A CE CHARACTERISTICS
PVCC SUPPLY VOLTAGE (V)
6
799.0
799.2
799.6
799.8
800.0
801.0
800.4
7
8
8.5
4267 G11
799.4
800.6
800.8
800.2
6.5
7.5
9
9.5
TA = 25°C
PVCC ≤ VCLAMP1mA
TEMPERATURE (°C)
–50
–10
30
70
110
4267 G13
–30
10
50
90
PVCC = 8V
(WITH RESPECT TO PGND)
240
230
220
210
200
190
180
PVCC SUPPLY VOLTAGE (V)
6
190
194
198
202
6.5
7
7.5
8
4267 G14
8.5
206
210
192
196
200
204
208
9
TA = 25°C
TEMPERATURE (°C)
–50
5.0
5.5
6.5
7.0
7.5
10.0
8.5
–10
30
50
4267 G16
6.0
9.0
9.5
8.0
–30
10
80
90
110
VTURNON
VTURNOFF
TEMPERATURE (°C)
–50
9.0
9.1
9.3
9.4
9.5
10.0
9.7
–10
30
50
4267 G17
9.2
9.8
9.9
9.6
–30
10
70
90
110
IPVCC = 1mA
TEMPERATURE (°C)
–50
215
220
230
235
240
265
250
–10
30
50
4267 G18
225
255
260
245
–30
10
70
90
110
PVCC = 8V
VITH/RUN = 1.3V
TEMPERATURE (°C)
–50
70
90
4267 G10
–10
10
–30
30
50
110
812
808
804
800
796
792
788
PVCC = 8V


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