Typical operating characteristics (continued) – Rainbow Electronics MAX5945 User Manual
Page 10
MAX5945
Quad Network Power Controller
for Power-Over-LAN
10
______________________________________________________________________________________
DETECTION WITH MIDSPAN MODE
WITH INVALID PD (15k
Ω)
MAX5945 toc24
400ms/div
0V
0A
I
OUT
1mA/div
V
EE
GATE_
10V/div
(AGND - OUT)
5V/div
DETECTION WITH MIDSPAN MODE
WITH INVALID PD (33k
Ω)
MAX5945 toc25
400ms/div
0V
0A
I
OUT
1mA/div
V
EE
GATE_
10V/div
(AGND - OUT)
5V/div
DETECTION WITH OUTPUT SHORTED
MAX5945 toc26
40ms/div
0V
0A
I
OUT
1mA/div
V
EE
GATE_
10V/div
(AGND - OUT)
5V/div
DETECTION WITH INVALID PD (OPEN CIRCUIT,
USING TYPICAL OPERATING CIRCUIT 1)
MAX5945 toc27
100ms/div
0A
0V
I
OUT
1mA/div
V
EE
GATE_
10V/div
(AGND - OUT)
5V/div
DETECTION WITH INVALID PD (OPEN CIRCUIT,
USING TYPICAL OPERATING CIRCUIT 2)
MAX5945 toc28
100ms/div
I
OUT
2mA/div
0V
GATE_
10V/div
(AGND - OUT)
5V/div
STARTUP WITH DIFFERENT PD CLASSES
MAX5945 toc29
40ms/div
I
OUT
10mA/div
(AGND - OUT)
5V/div
CLASS0
CLASS1
CLASS2
CLASS3
CLASS4
Typical Operating Characteristics (continued)
(V
EE
= -48V, V
DD
= +3.3V, AUTO = AGND = DGND = 0V, RESET = SHD_ = unconnected, R
SENSE
= 0.5
Ω, all registers = default setting,
T
A
= +25°C, unless otherwise noted.)