max5945caxt Maxim Integrated Products, Inc., max5945caxt Datasheet - Page 8

• Manufacturer Part Number: max5945caxt
• Description: Max5945 Quad Network Power Controller For Power-over-lan
• Manufacturer: Maxim Integrated Products, Inc.

Quad Network Power Controller
for Power-Over-LAN
8
(V
T
A
EE
= +25°C, unless otherwise noted.)
_______________________________________________________________________________________
= -48V, V
DD
= +3.3V, AUTO = AGND = DGND = 0V, RESET = SHD_ = unconnected, R
RESET TO OUTPUT TURN-OFF DELAY
SHORT-CIRCUIT RESPONSE TIME
OVERCURRENT TIMEOUT
(R
LOAD
= 240Ω TO 57Ω)
100µs/div
20ms/div
20ms/div
Typical Operating Characteristics (continued)
MAX5945 toc12
MAX5945 toc14
MAX5945 toc16
GATE 10V/div
(AGND - OUT)
20V/div
0V
I
200mA/div
0A
V
INT
2V/div
0V
(AGND - OUT)
20V/div
0V
I
250mA/div
0A
GATE
10V/div
V
RESET
0V
I
200mA/div
0A
(AGND - OUT)
20V/div
GATE
10V/div
V
OUT
OUT
OUT
EE
EE
EE
200mA/div
I
OUT
0A
ZERO-CURRENT DETECTION WAVEFORM
OVERCURRENT RESPONSE WAVEFORM
SHORT-CIRCUIT RESPONSE TIME
(R
LOAD
SENSE
= 240Ω TO 57Ω)
100ms/div
400µs/div
4µs/div
= 0.5Ω, all registers = default setting,
MAX5945 toc17
MAX5945 toc13
MAX5945 toc15
(AGND - OUT)
20V/div
0V
I
200mA/div
GATE
10V/div
INT
5V/div
(AGND - OUT)
20V/div
0V
GATE
10V/div
V
INT
2V/div
0V
(AGND - OUT)
20V/div
0V
I
5A/div
0A
GATE
10V/div
V
OUT
OUT
EE
EE