Typical operating characteristics (continued) – Rainbow Electronics MAX5945 User Manual
Page 9
MAX5945
Quad Network Power Controller
for Power-Over-LAN
_______________________________________________________________________________________
9
OVERCURRENT RESTART DELAY
MAX5945 toc18
400ms/div
0V
0A
I
OUT
200mA/div
GATE
10V/div
V
EE
(AGND - OUT)
20V/div
STARTUP WITH VALID PD
(25k
Ω AND 0.1µF)
MAX5945 toc19
100ms/div
0V
I
OUT
100mA/div
GATE_
V
EE
(AGND - OUT)
20V/div
DETECTION WITH INVALID PD
(25k
Ω AND 10µF)
MAX5945 toc20
40ms/div
0V
I
OUT
1mA/div
(AGND - OUT)
2V/div
DETECTION WITH INVALID PD (15k
Ω)
MAX5945 toc21
100ms/div
0V
0A
I
OUT
1mA/div
(AGND - OUT)
5V/div
DETECTION WITH INVALID PD (33k
Ω)
MAX5945 toc22
100ms/div
0V
0A
I
OUT
1mA/div
(AGND - OUT)
5V/div
STARTUP IN MIDSPAN MODE
WITH VALID PD (25k
Ω AND 0.1µF)
MAX5945 toc23
100ms/div
0V
0A
I
OUT
100mA/div
V
EE
GATE_
10V/div
(AGND - OUT)
20V/div
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.)