MAX5945CAX+T Maxim Integrated Products, MAX5945CAX+T Datasheet - Page 38

• Manufacturer Part Number: MAX5945CAX+T
• Description: IC NETWORK PWR CTRL 36-SSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX5945CAX+T

• Controller Type: Network Power Controller
• Interface: I²C
• Voltage - Supply: 3.3V
• Current - Supply: 4.2mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 36-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Quad Network Power Controller
for Power-Over-LAN
Figure 15. PoE System Diagram of One Complete Port, Endpoint PSE
38
______________________________________________________________________________________
V
VCCRTN
CC
SDA
SCL
(3.3V)
OPTIONAL BUFFER
OPTIONAL BUFFER
180Ω
180Ω
3kΩ
ISOLATION
OPTIONAL BUFFER
HPCL063L
180Ω
(REF TO DGND)
PHY
1.8V TO 5V,
HPCL063L
HPCL063L
3kΩ
3kΩ
-48V
3kΩ
1
3
4
5
RD1+
RD1-
TD1+
TD1-
-48VRTN
H2005A
1/2 OF
V
SDAOUT
SDAIN
SCL
DGND
DD
TXCT1
RX1+
TX1+
RXT1
RX1-
TX1-
0.5Ω
1%
24
22
21
19
23
20
0.1µF
0.1µF
MAX5945
1 OF 4 CHANNELS
100V, 120mΩ
-48VOUT
FDT3612
SOT-223
75Ω
75Ω
250VAC
1000pF
1kΩ
1N4002
MIDSPAN
OSC_IN
RESET
AUTO
SHD_
1N4448
INT
75Ω
75Ω
50kΩ PULLUP
INTERNAL
1kΩ
INTERNAL PULLDOWN
(MANUAL MODE)
INTERNAL PULLDOWN
(SIGNAL MODE)
0.1µF
0.1µF
OFF
1kΩ
SINE WAVE
100Hz ±10%
PEAK AMPLITUDE 2.2V ±0.1V
VALLEY AMPLITUDE 0.2V ±0.1V
CONNECTOR
0.47µF
100V
RJ–45
V
DD
1
2
3
6
4
5
7
8
4.7kΩ
ON
SMBJ
58CA
0.1µF
2.2MΩ
-48VOUT