SI3500-A-GM Silicon Laboratories Inc, SI3500-A-GM Datasheet - Page 3

IC POE SWITCH PWR OVER LAN 20QFN

SI3500-A-GM

Manufacturer Part Number
SI3500-A-GM
Description
IC POE SWITCH PWR OVER LAN 20QFN
Manufacturer
Silicon Laboratories Inc
Type
Power over Ethernet Switch (PoE)r
Datasheet

Specifications of SI3500-A-GM

Package / Case
20-QFN
Applications
IP Phones, Power over LAN, Network Routers and Switches
Internal Switch(s)
Yes
Current Limit
525mA
Voltage - Supply
42 V ~ 57 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Minimum Operating Temperature
- 10 C
Mounting Style
SMD/SMT
Product
Ethernet Controllers
Maximum Operating Temperature
+ 85 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
336-1844-5

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
SI3500-A-GM
Manufacturer:
MURATA
Quantity:
34 000
Part Number:
SI3500-A-GM
Manufacturer:
SILICON LABS/芯科
Quantity:
20 000
Company:
Part Number:
SI3500-A-GM
Quantity:
540
Part Number:
SI3500-A-GMR
Manufacturer:
SILICON LABS/芯科
Quantity:
20 000
Company:
Part Number:
SI3500-A-GMR
Quantity:
480
T
Section
1. Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
2. Typical Application Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
3. Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
4. Layout Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
5. Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
6. Package Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
7. Recommended PCB Landing Pattern . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
8. Ordering Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Document Change List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Contact Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
ABLE O F
3.1. Input Surge Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
3.2. Under Voltage Lockout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
3.3. Dual Current Limit Hot Swap switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
3.4. Switching Regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
3.5. Switcher Startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
3.6. Switching Regulator Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
C
ONTENTS
Rev. 1.1
Si3500
Page
3

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