LTC4257IS8-1#TRPBF
| Parameters | |
|---|---|
| Factory Lead Time | 1 Week |
| Package / Case | 8-SOIC (0.154, 3.90mm Width) |
| Surface Mount | YES |
| Operating Temperature | -40°C~85°C |
| Packaging | Tape & Reel (TR) |
| 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) |
| Additional Feature | REQUIRES A NEGATIVE SUPPLY OF 48V |
| 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 |
| Adjustable Threshold | NO |
| Power - Max | 12.95W |
| Current - Supply | 3mA |
| Internal Switch(s) | Yes |
| Standards | 802.3af (PoE) |
| Auxiliary Sense | No |
| Length | 4.9025mm |
| Width | 3.899mm |
| RoHS Status | ROHS3 Compliant |
LTC4257IS8-1#TRPBF Overview
PoE controller is part of the Tape & Reel (TR) package, which is included in the download.It is the way it is packaged that makes it 8-SOIC (0.154, 3.90mm Width).PoE controller type Controller (PD).Channels are growing strong/weak depending on the category: 1.As a precaution, the operating temperature of this Po E controller is kept at -40°C~85°C in order to maintain its reliability.This electrical Po E controller requires a voltage supply of 57V Max to operate.A part number's Po E controllers of LTC4257 can be determined by its base number.There are 8 terminations, which are the practice of ending a transmission line with a power over ethernet controller that matches the characteristic impedance of the line.There is a maximum power of 12.95W Watts that can be generated by this electrical ethernet over power controller.It is equipped with 8 pin count.The supply current amounts to 3mA.A transistor has a peak reflow temperature (Cel) of 260.In addition, it is characterized by the letter REQUIRES A NEGATIVE SUPPLY OF 48V.
LTC4257IS8-1#TRPBF Features
Tape & Reel (TR) package
8 pin count
LTC4257IS8-1#TRPBF Applications
There are a lot of Linear Technology/Analog Devices LTC4257IS8-1#TRPBF Power Over Ethernet (PoE) Controllers applications.
- Lighting
- Pass-through System
- Internet Appliances
- Industrial Automation Equipment
- POS Terminals
- Wireless LAN Access Point/WiMAX? Base Station
- IEEE 802.3bt (Draft) Compliant Devices
- Wireless Access Points
- Outdoor Security Camera Equipment
- IP Phone Power Management
