SI3461-E01-GM Silicon Laboratories Inc, SI3461-E01-GM Datasheet - Page 10

• Manufacturer Part Number: SI3461-E01-GM
• Description: IC POWER MANAGEMENT CTLR 11VQFN
• Manufacturer: Silicon Laboratories Inc

Specifications of SI3461-E01-GM

• Applications: Power Sourcing Equipment (PSE)
• Current - Supply: 500mA
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 11-VQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Si3461
3. Typical Si3461-EVB Waveforms
Note: Voltages are negative going with respect to the positive input.
10
Ch1: PoE output voltage referenced to the +50V rail
Ch1: PoE output voltage referenced to the +50V rail
PoE+ Current Limit Response
Classification and Power-up
Powering a PoE+ Device
Detection
PoE+
t
LIM
Detection
Delay PoE+
Two event classification
Mark Pulse
Classification
t
CLASS_CYCLE
t
PWRUP
Power-on
Figure 2. Typical Si3461-EVB Waveforms
Ch1: PoE output voltage referenced to the +50V rail
Ch1: PoE output voltage referenced to the +50V rail
PoE Current Limit Response
Classification and Power-up
Powering a PoE Device
Detection
Detection
Delay PoE
Rev. 1.0
Classification
t
PoE
LIM
t
Classification
CLASS_CYCLE
t
PWRUP
Power-on
Ch1: PoE output voltage referenced to the +50V rail
Overload During Classification
Midspan Backoff after bad
Classification result
Detection Time
g
t
BOM
T
DETECT