AN296 Silicon_Laboratories, AN296 Datasheet - Page 3

• Manufacturer Part Number: AN296
• Description: Using THE Si3400 AND Si3401 POE PD Controllers IN Isolated AND Non-isolated Designs
• Manufacturer: Silicon_Laboratories

2. Typical Application Schematics
Figures 3 and 4 show the basic application circuits for the Si3400 and Si3401 evaluation boards.
2.87K
2.87K
R5
R5
C5
C5
C2
C2
C4 1u
C4 1u
C3 1u
C3 1u
C1 1u
C1 1u
1000u
1000u
C6
C6
NP
NP
8.66K R6
8.66K
R1
R1
12uF
12uF
22uF
22uF
C20
C20
R6
15
14
13
12
15
14
13
12
3.3n
3.3n
0.33u C9
0.33u
C7
C7
20
19
18
17
16
15
150p
150p
C9
30.1K
30.1K
FB
VSS2
SWO
VSS1
Vposs
Vssa
C19
C19
R7
R7
D12
D12
D13
D13
D14
D14
D15
D15
10
11
1000p
1000p
1000p
1000p
1000p
1000p
1000p
1000p
8
9
8
9
10
11
2
2
2
2
Rev. 0.8
PLOSSb
C13
C13
C12
C12
C11
C11
C10
C10
1
1
1
1
RDET
Vneg
HSO
RCL
SP2
S1B
S1B
S1B
S1B
S1B
S1B
S1B
S1B
5
6
7
8
9
10
0.1u
0.1u
45.3
45.3
C18
C18
25.5K R4
25.5K
D8
D8
D9
D9
D10
D10
D11
D11
1000p
1000p
1000p
1000p
1000p
1000p
1000p
1000p
R4
R3
R3
2
2
2
2
C17
C17
C16
C16
C15
C15
C14
C14
1
1
1
1
S1B
S1B
S1B
S1B
S1B
S1B
S1B
S1B
AN296
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