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MAX5965A_10 Datasheet, PDF (10/53 Pages) Maxim Integrated Products – High-Power, Quad, Monolithic, PSE Controllers for Power over Ethernet
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High-Power, Quad, Monolithic, PSE Controllers
for Power over Ethernet
Typical Operating Characteristics (continued)
(VEE = -48V, VDD = +3.3V, VAUTO = VAGND = VDGND = 0V, RESET = SHD_ = unconnected, RSENSE = 0.5Ω, IVEE = 00, ICUT = 000,
TA = +25°C, all registers = default setting, unless otherwise noted.)
RESET TO OUT TURN-OFF DELAY
MAX5965A toc16
RESET
2V/div
0V
IOUT
200mA/div
0A
VGATE_
5V/div
VEE
ZERO-CURRENT DETECTION WAVEFORM
MAX5965A toc17
100ms/div
(AGND - VOUT)
20V/div
0V
IOUT
200mA/div
0A
VGATE_
10V/div
VEE
INT
2V/div
0V
OVERCURRENT RESTART DELAY
MAX5965A toc18
400ms/div
(AGND - VOUT)
20V/div
0V
IOUT
200mA/div
0A
VGATE_
10V/div
VEE
STARTUP WITH VALID PD
(25kI AND 0.1µF)
MAX5965A toc19
VAGND - VOUT
20V/div
0V
IOUT
100mA/div
0A
VGATE_
5V/div
VEE
DETECTION WITH INVALID PD
(25kI AND 10µF)
MAX5965A toc20
VAGND - VOUT
20V/div
0V
IOUT
1mA/div
0A
VGATE_
10V/div
VEE
DETECTION WITH INVALID PD (15kΩ)
MAX5965A toc21
(AGND - VOUT)
5V/div
0V
IOUT
0A
1mA/div
100ms/div
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