SI3452A-B01-GM Silicon Laboratories Inc, SI3452A-B01-GM Datasheet - Page 5

• Manufacturer Part Number: SI3452A-B01-GM
• Description: IC POE CONTROLLER MIDSPAN 40QFN
• Manufacturer: Silicon Laboratories Inc

Specifications of SI3452A-B01-GM

• Package / Case: 40-QFN
• Controller Type: Power over Ethernet Controller (POE)
• Interface: I²C
• Voltage - Supply: 3 V ~ 3.6 V
• Current - Supply: 14mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Maximum Power Dissipation: 1.2 W
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Product: Ethernet Controllers
• Standard Supported: IEEE 802.3at, IEEE 802.3af
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 3 V
• Supply Current (max): 14 mA
• Maximum Operating Temperature: + 85 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 336-1831-5

Table 2. Recommended Operating Conditions
Table 3. UVLO, and Reset Specifications
Description
Ambient Operating
Temperature
Thermal Impedance*
Power Supply Voltages
V
V
Power Supply Currents
V
V
*Note: Modeled with six parts evenly spaced on a 30 x 120 mm
Description
V
V
RST Input High Voltage
RST Input Low Voltage
RST Input Leakage
Reset Time Delay
Reset Assertion Time
V
V
*Note: If VDD ramp time is slower than 1 ms, hold the reset pins low until VDD is above 3.0 V to insure proper reset
EE
DD
EE
DD
DD
DD
EE
EE
Supply Voltage
Supply Current
Monitor Accuracy
UVLO Threshold
Supply Voltage
Supply Current
Reset Threshold
Power-On Ramp
back.
operation.
*
T
Symbol
V
V
RSTDLY
V
EEMON
T
Symbol
UVLO
RST
RST
V
V
θ
I
I
T
DD
EE
DD
JA
EE
A
RST low time to generate system
Measured V
Time between end of reset and
beginning of normal operation
Point at which VEE UVLO is
V
All ports on, excluding load current.
EE
Ramp from 0 V to 3.0 V
For IEEE 802.3af (15.4 W) apps.
For IEEE 802.3at (30 W) apps.
VEE going negative
VEE going positive
for V
Test Conditions
All ports in shutdown mode
RST = 0 V
declared.
EE
EE
Test Conditions
reset
Rev. 1.2
1 m/s airflow
(–44 to –57 V)
relative to actual
No airflow
2
, four-layer board with 25 thermal vias to a Vneg plane on the
0.7 x V
Min
–38
15
–4
—
—
—
—
—
—
DD
Min
–40
–57
–57
3.0
—
—
—
—
—
1.75
Typ
–36
–33
—
—
—
—
—
—
—
Typ
–48
–54
3.3
3.7
32
28
—
1
8
Max
100
–31
0.8
40
—
—
—
—
Si3452
1
4
Max
–45
–51
3.6
6.0
85
14
—
—
2
°C/W
Unit
Unit
mA
mA
ms
ms
μA
°C
μs
%
V
V
V
V
V
V
5