max5965a Maxim Integrated Products, Inc., max5965a Datasheet - Page 11

• Manufacturer Part Number: max5965a
• Description: High-power, Quad, Monolithic, Pse Controllers For Power Over Ethernet
• Manufacturer: Maxim Integrated Products, Inc.

(V
T
A
EE
= +25°C, all registers = default setting, unless otherwise noted.)
High-Power, Quad, Monolithic, PSE Controllers
= -48V, V
V
V
0V
0A
0A
EE
0A
EE
DETECTION WITH INVALID PD (33kΩ)
DD
DETECTION WITH MIDSPAN MODE
= +3.3V, V
WITH INVALID PD (15kΩ)
______________________________________________________________________________________
OUTPUT SHORTED
400ms/div
100ms/div
AUTO
= V
AGND
MAX5965A toc24
MAX5965A toc22
MAX5965A toc26
= V
(AGND - V
5V/div
0V
I
1mA/div
V
10V/div
I
1mA/div
(AGND - V
5V/div
0V
OUT
OUT
GATE_
V
5V/div
I
1mA/div
V
10V/div
DGND
OUT
AGND
GATE_
Typical Operating Characteristics (continued)
- V
OUT
OUT
OUT
= 0V, RESET = SHD_ = unconnected, R
)
)
for Power over Ethernet
V
V
0V
0A
V
EE
0A
0V
0A
EE
EE
DETECTION WITH INVALID PD (OPEN CIRCUIT,
USING TYPICAL OPERATING CIRCUIT 1)
WITH VALID PD (25kI AND 0.1µF)
DETECTION WITH MIDSPAN MODE
STARTUP IN MIDSPAN MODE
WITH INVALID PD (33kΩ)
SENSE
400ms/div
40ms/div
= 0.5Ω, IVEE = 00, ICUT = 000,
MAX5965A toc25
MAX5965A toc23
MAX5965A toc27
(AGND - V
5V/div
0V
I
1mA/div
V
10V/div
OUT
(AGND - V
5V/div
I
1mA/div
V
10V/div
V
20V/div
I
100mA/div
V
5V/div
GATE_
OUT
OUT
GATE_
AGND
GATE_
- V
OUT
OUT
OUT
)
)
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