SI3460-EVB Silicon Laboratories Inc, SI3460-EVB Datasheet - Page 5

• Manufacturer Part Number: SI3460-EVB
• Description: BOARD EVAL POE FOR SI3460
• Manufacturer: Silicon Laboratories Inc
• Type: DC/DC Switching Converters, Regulators & Controllersr

Specifications of SI3460-EVB

• Main Purpose: Special Purpose DC/DC, Power Over Ethernet
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: -48V
• Board Type: Fully Populated
• Utilized Ic / Part: Si3460
• Input Voltage: 12 V, 15 V
• Output Voltage: - 48 V
• Interface Type: Ethernet
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Product: Power Management Modules
• For Use With/related Products: Si3460
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Voltage - Input: -
• Power - Output: -
• Frequency - Switching: -
• Regulator Topology: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1842

1.1. Si3460-EVB Performance Characteristics
When implemented according to the recommended external components and layout guidelines for the Si3460-
EVB, the Si3460 enables the following performance specifications in single-port PSE applications. Please refer to
the Si3460-EVB User’s Guide and schematics for details.
Table 1. Selected Electrical Specifications (Si3460-EVB)
Parameter
Power Supplies
V
V
VDD supply voltage range
VDD UVLO voltage
Output supply voltage
Supply current
Detection Specifications
Minimum signature resistance
Maximum signature resistance
Classification Specifications
Classification voltage
Classification current limit
Classification current region
Protection and Current Control
Overload current threshold
Overload current limit
Overload time
Output power at overload
Disconnect current
Efficiency
System efficiency
IN
IN
input supply range
input UVLO voltage
I
CLASS
R
Symbol
R
V
V
I
UVLO
V
DETmax
CLASS
DETmin
P
CLASS
I
T
V
DDmin
I
I
V
CUT
MIN
OUT
I
LIM
_
LIM
LIM

DD
IN
IN
REGION
–40 to +85 °C ambient range
UVLO turn-off voltage at V
Si3460 supply voltage range
Si3460 UVLO turn-off voltage
PSE output voltage at
V
Current into V
(including gate drive and detect)
0 mA < I
Measured with 200  across V
Class 0
Class 1
Class 2
Class 3
Class 4
Class 0/3/4
Class 1
Class 2
All class levels;
Output = 100  across V
Output = 100  across V
Disconnect current
(P
IN
IN
= 11 V (min) to 16 V (max)
@ V
Rev. 1.1
CLASS
IN
Test Condition
) to (P
DD
< 45 mA
OUT
@ V
OUT
OUT
OUT
IN
)
OUT
15,400/
–20.5
5000/
7000/
V
V
V
26.5
15.4
Min
–54
400
2.7
2.7
11
10
—
15
55
16
25
35
OUT
OUT
OUT
50
—
0
8
5
12, 15
Typ
–50
340
154
425
3.3
7.5
—
—
17
29
—
—
—
—
—
—
—
88
60
17
75
5
Si3460
–15.5
Max
–46
400
180
450
3.6
16
—
—
—
19
33
95
13
21
31
45
98
75
—
10
—
5
Unit
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
k
k
ms
W
%
V
V
V
V
V
V
5