LTC4267 LINER [Linear Technology], LTC4267 Datasheet - Page 6

• Manufacturer Part Number: LTC4267
• Description: Power over Ethernet IEEE 802.3af PD Interface with Integrated Switching Regulator
• Manufacturer: LINER [Linear Technology]

LTC4267
TYPICAL PERFOR A CE CHARACTERISTICS
6
210
208
206
204
202
200
198
196
194
192
190
812
808
804
800
796
792
788
–50
6
Reference Voltage vs
Temperature
Oscillator Frequency vs
Supply Voltage
T
P
A
VCC
–30
= 25°C
6.5
= 8V
P
–10
VCC
TEMPERATURE (°C)
7
SUPPLY VOLTAGE (V)
10
7.5
30
50
8
W
70
8.5
90
4267 G14
4267 G10
U
110
9
801.0
800.8
800.6
800.4
800.2
800.0
799.8
799.6
799.4
799.2
799.0
10.0
265
260
255
250
245
240
235
230
225
215
220
8.0
9.5
9.0
8.5
7.5
7.0
6.5
6.0
5.5
5.0
–50
–50
Reference Voltage vs
Supply Voltage
6
P
Thresholds vs Temperature
I
Temperature
PVCC
P
V
T
P
VCC
A
VCC
ITH/RUN
VCC
–30
–30
= 25°C
6.5
Undervoltage Lockout
= 8V
≤ V
Supply Current vs
P
–10
–10
CLAMP1mA
VCC
= 1.3V
7
TEMPERATURE (°C)
TEMPERATURE (°C)
SUPPLY VOLTAGE (V)
10
10
7.5
V
V
TURNON
TURNOFF
30
30
8
50
50
8.5
80
70
9
90
90
4267 G16
4267 G18
4267 G11
110
110
9.5
10.0
240
230
220
210
200
190
180
9.9
9.8
9.7
9.6
9.5
9.4
9.3
9.2
9.0
9.1
–50
–50
Oscillator Frequency vs
Temperature
P
Temperature
P
(WITH RESPECT TO PGND)
VCC
VCC
–30
–30
= 8V
Shunt Regulator Voltage vs
–10
–10
TEMPERATURE (°C)
TEMPERATURE (°C)
10
10
30
30
I
PVCC
50
50
= 1mA
70
70
90
90
4267 G17
4267 G13
4267f
110
110