Datasheet

21
21.5
22
22.5
−50 −25 0 25 50 75 100 125
Class Upper Threshold, On
Class Upper Threshold, Off
Junction Temperature (°C)
V
(VDD−VSS)
(V)
G003
3
3.5
4
4.5
−50 −25 0 25 50 75 100 125
Mark Reset Threshold
Junction Temperature (°C)
V
(VDD−VSS)
(V)
G006
1.1
1.2
1.3
1.4
1.5
1.6
−50 −25 0 25 50 75 100 125
APD Upper Threshold
APD Lower Threshold
Junction Temperature (°C)
V
(ADD−RTN)
(V)
G014
10.5
11
11.5
12
12.5
13
−50 −25 0 25 50 75 100 125
Class Lower Threshold, On
Class Lower Threshold, Off
Junction Temperature (°C)
V
(VDD−VSS)
(V)
G004
0
1
2
3
4
5
6
7
0 1 2 3 4 5 6 7 8 9 10
T
A
= −40°C
T
A
= 125°C
T
A
= 25°C
V
(VDD−VSS)
(V)
I
VDD
(µA)
G001
0
10
20
30
40
50
0 1 2 3 4 5 6 7 8 9 10
Detection Resistance
V
(VDD−VSS)
(V)
Resistance (kΩ)
G002
TPS2378
www.ti.com SLVSB99B –MARCH 2012–REVISED NOVEMBER 2013
TYPICAL CHARACTERISTICS
Figure 3. Detection Bias Current vs PoE Voltage Figure 4. Detection Resistance vs PoE Voltage
Figure 5. APD Threshold Voltage vs Temperature Figure 6. Classification Lower Threshold vs Temperature
Figure 7. Classification Upper Threshold vs Temperature Figure 8. Mark Reset Threshold vs Temperature
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