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Silver Telecom

Ag9912M Datasheet Preview

Ag9912M Datasheet

Ultra Miniature PoE Module

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Silvertel
V1.1 September 2016
Datasheet
Ag9912M
Ultra Miniature PoE Module
1. Features
Pb
Tiny SMT package (14mm x 21mm)
IEEE802.3af compliant
Low cost
Input voltage range 36V to 57V
Minimal external components
required
Short-circuit protection
Adjustable Output
1500V isolation (input to output)
Silvertel “design-in” assistance
2. Description
The Ag9912M Power-over-Ethernet (PoE) module is the smallest POE solution in the
world and designed to extract power from a conventional twisted pair Category 5 Ethernet
cable, conforming to the IEEE 802.3af PoE standard.
The Ag9912M signature and control circuit provides the PoE compatibility signature
required by the Power Sourcing Equipment (PSE) before applying up to 15W power to the
port. The Ag9912M provides a Class 0 signature.
The DC/DC converter operates over a wide input voltage range and provides a regulated
output. The DC/DC converter also has built-in short-circuit output protection.
© Silver Telecom 2016
1




Silver Telecom

Ag9912M Datasheet Preview

Ag9912M Datasheet

Ultra Miniature PoE Module

No Preview Available !

V1.1 September 2016
Data Sheet
Ag9912M
Power-Over-Ethernet Module
Table of Contents
1. Features .......................................................................................................................1
2. Description....................................................................................................................1
Table of Contents .............................................................................................................2
Table of Figures ...............................................................................................................2
3. Ag9912M Product Selector...........................................................................................3
4. Pin Description .............................................................................................................4
4.1 Ag9912M ...............................................................................................................5
5. Functional Description ..................................................................................................6
5.1 Inputs.....................................................................................................................6
5.2 PD Signature .........................................................................................................6
5.3 Isolation .................................................................................................................6
5.4 Power Classification ..............................................................................................7
5.5 DC/DC Converter ..................................................................................................7
5.6 Output Adjustment.................................................................................................7
5.7 Typical Connections ..............................................................................................8
5.8 Additional Output Filtering .....................................................................................9
5.9 Start-up Power.....................................................................................................10
6. Typical Application......................................................................................................10
7. Operating Temperature Range...................................................................................11
8. Layout Consideration..................................................................................................13
9. Protection ...................................................................................................................13
10. EMC ........................................................................................................................14
11. Electrical Characteristics.........................................................................................15
11.1 Absolute Maximum Ratings1................................................................................15
11.2 Recommended Operating Conditions..................................................................15
11.3 DC Electrical Characteristics ...............................................................................15
12. Package ..................................................................................................................16
Table of Figures
Figure 1: Block Diagram ......................................................................................................3
Figure 2: Ag9912M SMT Package Format...........................................................................4
Figure 3: Typical System Diagram.......................................................................................6
Figure 4: Output Adjustment ................................................................................................7
Figure 5: Typical Connection Diagram.................................................................................8
Figure 6: Output Filtering .....................................................................................................9
Figure 7: Typical Application..............................................................................................10
Figure 8: Ag9912M Operating Profile ................................................................................11
Figure 9: Ag9912M Thermal Relief ....................................................................................12
Figure 10: Layout Consideration........................................................................................13
Figure 11: Ag9912M Input Protection ................................................................................13
© Silver Telecom 2016
2


Part Number Ag9912M
Description Ultra Miniature PoE Module
Maker Silver Telecom
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