SI3460-EVB Silicon Laboratories Inc, SI3460-EVB Datasheet - Page 8

BOARD EVAL POE FOR SI3460

SI3460-EVB

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

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
Si3460
3. Si3460-EVB Performance Characteristics
When implemented in accordance with the recommended external components and layout guidelines, the Si3460
controller enables the following typical performance characteristics in single-port PSE applications. Refer to the
Si3460-EVB applications note, schematics, and user's guide for more details.
Table 5. PSE Performance Characteristics
8
Parameter
Protection and Current Control
Overload current limit
Overload current
threshold
Overload current limit
Overload time
Output power at overload
Disconnect current
Detection Specifications
Detection voltage
Minimum signature
resistance
Maximum signature
resistance
Classification Specifications
Classification voltage
Classification current limit
Classification current
region
Notes:
1. Typical specifications are based on an ambient operating temperature of 25 ºC and V
2. See “3. Si3460-EVB Performance Characteristics” for more details.
3. Absolute classification current limits are configurable.See section "4.3.2. Classification" on page 12.
specified.
3
2
I
CLASS_REGION
2
R
Symbol
R
V
I
V
DETmax
CLASS
DETmin
I
T
P
CLASS
I
I
I
CUT
MIN
LIM
LIM
DET
LIM
LIM
Output = 100  across V
Class 0/3/4
Class 1
Class 2
All class levels;
Output = 100  across V
Output = 100  across V
Disconnect current
Detection point 1 (w/ 10 k source)
Detection point 2 (w/ 10 k source)
Detection point 3 (w/ 10 k source)
0 mA < ICLASS < 45 mA
Measured with 200  across V
1
Rev. 1.1
Conditions
Class 0
Class 1
Class 2
Class 3
Class 4
OUT
OUT
OUT
OUT
15,400/
IN
5000/
7000/
–20.5
V
V
V
15.4
26.5
Min
400
400
OUT
OUT
OUT
50
15
55
16
25
35
= +12 V unless otherwise
5
0
8
Typ
425
340
154
425
4.5
7.5
4.5
7.5
88
60
17
17
29
–15.5
Max
450
400
180
450
98
75
10
19
33
95
13
21
31
45
5
Unit
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
ms
k
k
W
V
V

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