SI3401-E1-GM Silicon Laboratories Inc, SI3401-E1-GM Datasheet - Page 5

• Manufacturer Part Number: SI3401-E1-GM
• Description: IC POWER OVER ETHERNET 20QFN
• Manufacturer: Silicon Laboratories Inc
• Type: Power over Ethernet Switch (PoE)r

Specifications of SI3401-E1-GM

• Package / Case: 20-QFN
• Applications: IP Phones, Power over LAN, Network Routers and Switches
• Internal Switch(s): Yes
• Current Limit: 550mA
• Voltage - Supply: 2.8 V ~ 57 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Product: PoE / LAN Solutions
• Supply Voltage (max): 57 V
• Supply Voltage (min): 2.8 V
• Power Dissipation: 1.2 W
• Operating Temperature Range: - 40 C to + 85 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 336-1384; SI3401-E-GM

Table 2. Absolute Maximum Ratings (Transient)
Transient surge defined in IEC60060 as a 1000 V impulse of either polarity applied across CT1–CT2 or SP1–SP2. The shape of
the impulse shall have a 300 ns full rise time and a 50 µs half fall time, with 201 Ω source impedance.
Table 3. Recommended Operating Conditions
Notes:
|CT1 – CT2| or |SP1 – SP2|
Ambient Operating Temperature
Note: Unless otherwise noted, all voltages referenced to VNEG. All minimum and maximum specifications are guaranteed
1. Unless otherwise noted, all voltages referenced to VNEG. Permanent device damage may occur if the maximum ratings
2. VPOS is equal to VPOSF and VPOSS tied together for test condition purposes.
3. For more information regarding system-level ESD tolerance, refer to “AN315: Robust Electrical Surge Immunity for PoE
are exceeded. Functional operation should be restricted to those conditions specified in the operational sections of this
data sheet. Exposure to absolute maximum rating conditions for extended periods may adversely affect device
reliability.
PDs through Integrated Protection”.
and apply across the recommended operating conditions. Typical values apply at nominal supply voltage and ambient
temperature unless otherwise noted.
Voltage
Current
ESD
Type
3
Description
CT1 to CT2
SP1 to SP2
VPOS
HSO
VSS1, VSS2, or VSSA
SWO
PLOSS to VPOS
RDET
CT1, CT2, SP1, SP2
VPOS
HBM, all pins
2
2
2
Description
Symbol
VPORT
Rev. 0.9
TA
1
Min
–40
2.8
Typ
25
—
Si3400/Si3401
–0.7 to 80
–0.7 to 80
–0.7 to 80
–0.7 to 80
–80 to 0.7
–0.7 to 80
–82 to 82
–82 to 82
Rating
–5 to 5
–5 to 5
–2 to 2
Max
57
85
Unit
kV
V
A
Units
°C
V
5