MAX5965A_11 Datasheet, PDF (12/54 Pages) Maxim Integrated Products – High-Power, Quad, Monolithic, PSE Controllers for Power over Ethernet

High-Power, Quad, Monolithic, PSE Controllers
for Power over Ethernet
Typical Operating Characteristics (continued)
(V_EE = -48V, V_DD = +3.3V, V_AUTO = V_AGND = V_DGND = 0V, RESET = SHD_ = unconnected, R_{SENSE_} = 0.5Ω, IVEE = 00, ICUT = 000,
T_A = +25°C, all registers = default setting, unless otherwise noted.)
DETECTION WITH INVALID PD (OPEN CIRCUIT,
USING TYPICAL OPERATING CIRCUIT 2)
MAX5965A toc28
STARTUP WITH DIFFERENT
PD CLASSES
MAX5965A toc29
V_AGND - V_OUT
0V
5V/div
V_AGND - V_{OUT_}
5V/div
I_{OUT_}
0A
1mA/div
V_EE
V_{GATE_}
10V/div
40ms/div
CLASS 5
CLASS 4
CLASS 3
CLASS 2
CLASS 1
40ms/div
0V
I_{OUT_}
20mA/div
0A
2-EVENT CLASSIFICATION
WITH A CLASS 4 PD
MAX5965A toc30
V_AGND - V_{OUT_}
5V/div
0V
I_{OUT_}
20mA/div
0A
V_{GATE_}
V_EE
10V/div
40ms/div
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