Parameters |
Factory Lead Time |
1 Week |
Package / Case |
8-SOIC (0.154, 3.90mm Width) |
Surface Mount |
YES |
Operating Temperature |
0°C~70°C |
Packaging |
Tube |
Published |
2005 |
JESD-609 Code |
e3 |
Part Status |
Active |
Moisture Sensitivity Level (MSL) |
1 (Unlimited) |
Number of Terminations |
8 |
ECCN Code |
EAR99 |
Type |
Controller (PD) |
Terminal Finish |
Matte Tin (Sn) |
Voltage - Supply |
57V Max |
Terminal Position |
DUAL |
Terminal Form |
GULL WING |
Peak Reflow Temperature (Cel) |
260 |
Number of Functions |
1 |
Time@Peak Reflow Temperature-Max (s) |
30 |
Base Part Number |
LTC4257 |
Pin Count |
8 |
JESD-30 Code |
R-PDSO-G8 |
Number of Channels |
1 |
Power - Max |
12.95W |
Current - Supply |
3mA |
Internal Switch(s) |
Yes |
Standards |
802.3af (PoE) |
Auxiliary Sense |
No |
Length |
4.9025mm |
Width |
3.9mm |
RoHS Status |
ROHS3 Compliant |
LTC4257CS8#PBF Overview
The package Tube includes it.Packaged in the manner of 8-SOIC (0.154, 3.90mm Width).As far as this application is concerned, it is a Controller (PD) type PoE controller that is being used.Currently, there are a number of channels that are strong or weak: 1.Ensure the reliability of the PoE by operating it at 0°C~70°C.A 57V Max voltage is used to supply power to this electrical Po E controller.Base part numbers LTC4257 can be used to establish Po E controllers.It is possible to terminate a transmission line with a 8 termination by connecting a power over ethernet controller with a matching impedance to the transmission line.It is estimated that this electrical ethernet over power controller has a maximum power of 12.95W Watts.In addition, it comes with a 8 pin count.It amounts to 3mA that the supply current is flowing.The peak reflow temperature (Cel) of this electrical ethernet power controller is 260.
LTC4257CS8#PBF Features
Tube package
8 pin count
LTC4257CS8#PBF Applications
There are a lot of Linear Technology/Analog Devices LTC4257CS8#PBF Power Over Ethernet (PoE) Controllers applications.
- WLAN Access Points
- IEEE 802.3af Compliant PoE Powered Devices
- Security Cameras
- PoE powered device appliances
- Internet Appliances
- POS Terminals
- Security Cameras
- IP Phone Power Management
- Public Information Displays
- Switches