ltc4267-3 Linear Technology Corporation, ltc4267-3 Datasheet - Page 7

• Manufacturer Part Number: ltc4267-3
• Description: Power Over Ethernet Ieee 802.3af Pd Interface With Integrated 300khz Switching Regulator
• Manufacturer: Linear Technology Corporation

TYPICAL PERFOR A CE CHARACTERISTICS
60
40
30
10
50
20
0
–50
Start-Up I
vs Temperature
P
VCC
–30
= V
TURNON
–10
PVCC
TEMPERATURE (°C)
10
120
115
110
105
100
95
90
85
80
– 0.1V
–50
Supply Current
Peak Current Sense Voltage
vs Temperature
30
P
VCC
–30
= 8V
50
–10
W
70
TEMPERATURE (°C)
10
90
42673 G17
U
30
110
50
70
100
450
400
300
250
200
350
150
–50
90
42673 G20
I
vs Temperature
TH
110
–30
/RUN Shutdown Threshold
–10
TEMPERATURE (°C)
10
30
50
70
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
90
42673 G18
0
–50
Soft-Start Time vs Temperature
110
–30
–10
TEMPERATURE (°C)
600
400
300
100
500
200
10
0
–50
I
vs Temperature
TH
P
V
VCC
ITH/RUN
30
/RUN Start-Up Current Source
–30
= V
50
TURNON
–10
= 0V
TEMPERATURE (°C)
70
LTC4267-3
10
+ 0.1V
90
42673 21
30
110
50
70
90
42673 G19
7
42673f
110