SI3401-D-GM Silicon Laboratories Inc, SI3401-D-GM Datasheet - Page 2

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

Specifications of SI3401-D-GM

• 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
• Package / Case: 20-QFN
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 336-1330

Si3400/Si3401
Functional Block Diagram
2
CT1
CT2
SP1
SP2
VPOSF
VNEG
VPOSS
RDET
Classification
Current limit
Detection
Hotswap
Switch
HSO
&
&
RCL
Rev. 0.9
PLOSS
SSFT
Common
Hotswap
Control
Bias
&
VSSA
VDD
VSS1
Switching
ISOSSFT
Switcher
Control
FET
VSS2
SWO
EROUT
FB