max5952auaxt Maxim Integrated Products, Inc., max5952auaxt Datasheet - Page 10

• Manufacturer Part Number: max5952auaxt
• Description: Max5952 High-power, Quad, Pse Controller For Power-over-ethernet
• Manufacturer: Maxim Integrated Products, Inc.

High-Power, Quad, PSE Controller
for Power-Over-Ethernet
(V
T
10
A
EE
= +25°C, all registers = default setting, unless otherwise noted.)
= -48V, V
______________________________________________________________________________________
RESET TO OUT TURN-OFF DELAY
OVERCURRENT RESTART DELAY
DETECTION WITH INVALID PD
DD
= +3.3V, AUTO = AGND = DGND = 0V, RESET = SHD_ = unconnected, R
(25kΩ AND 10μF)
400ms/div
100μs/div
40ms/div
MAX5952 toc20
MAX5952 toc16
MAX5952 toc18
0V
(AGND - V
20V/div
I
1mA/div
RESET
2V/div
V
(AGND - V
20V/div
I
200mA/div
OUT
0V
I
200mA/div
0A
V
5V/div
0V
0A
V
10V/div
V
OUT
OUT
GATE_
EE
GATE_
EE
Typical Operating Characteristics (continued)
OUT
OUT
)
)
V
0V
0A
0A
EE
ZERO-CURRENT DETECTION WAVEFORM
DETECTION WITH INVALID PD (15kΩ)
STARTUP WITH VALID PD
(25kΩ AND 0.1μF)
100ms/div
100ms/div
SENSE
100ms/div
= 0.5Ω, IVEE = 00, ICUT = 000,
MAX5952 toc17
MAX5952 toc19
MAX5952 toc21
(AGND - V
20V/div
0V
I
200mA/div
V
INT
2V/div
0V
0A
V
10V/div
(AGND - V
5V/div
0V
I
1mA/div
OUT
(AGND - V
20V/div
V
5V/div
I
100mA/div
OUT
GATE_
EE
OUT
GATE_
OUT
OUT
OUT
)
)
)