AN296 Silicon_Laboratories, AN296 Datasheet - Page 22

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

AN296
D
Revision 0.1 to Revision 0.2
Revision 0.2 to Revision 0.3
Revision 0.3 to Revision 0.4
Revision 0.4 to Revision 0.5
Revision 0.5 to Revision 0.6
22
OCUMENT
Updated schematics and BOM with optimized values
for Rev C, Si3400
Updated performance information with measured
results for Rev C Si3400
Added new section, "6. Use with an Auxiliary Power
Supply" on page 17.
Updated RCLASS information.
Updated recommended applications circuits.
Modified text.
Updated Figure 4 on page 4 to same as in EVB
User’s Guide.
Added "7. Layout Guidelines".
Updated "6. Use with an Auxiliary Power Supply" on
page 17.
Updated Figure 14 on page 17.
Updated Figure 4, “Isolated Flyback Configuration
for Si3400ISO-EVB and Si3401ISO-EVB (5 V
Output),” on page 4.
Updated Section 7 to read "7. Layout, EMI, and EMC
Considerations" on page 19.
Updated Revision D silicon to include addition of the
VSSA (pin 15) and for optimized EMI, ESD, and load
transient response.
Pin ISOSSFT (pin 4) added throughout document for
revisions CZ and higher. Function available on
Revision E and higher.
auxiliary supplies.
auxiliary supplies.
Added important information about connecting
Added important information about connecting
C
HANGE
L
IST
Rev. 0.8
Revision 0.6 to Revision 0.7
Revision 0.7 to Revision 0.8
Pin ISOSSFT (pin 4) added throughout document.
This function is available on Revision E and higher.
Document updated throughout to support Rev E
updates
Updated Figure 3 on page 3.
Updated Figure 4 on page 4.
Updated "4.1.1. Output Voltage—Non-Isolated
Design" on page 10.
Updated "4.1.2. Output Filter and Loop Stability—
Non-Isolated Design" on page 10.
Updated "4.1.3. Soft Start Non-Isolated Case" on
page 11.
Updated Figure 8 on page 11.
Updated "4.2. Isolated Flyback Design" on page 11.
Updated "4.2.1. Output Voltage—Isolated Design"
on page 14.
Updated "4.2.2. Output Filter and Loop Stability—
Isolated Design" on page 14.
Updated "4.2.3. Soft Start Isolated Case" on page
14.
Updated Figure 11 on page 15.
Updated Figure 12 on page 15.
Updated Figure 14 on page 17.
Updated "6. Use with an Auxiliary Power Supply" on
page 17.
Updated "7.4. EMI and EMC Considerations" on
page 19.