LTC4257IS8#TRPBF
| Parameters | |
|---|---|
| Factory Lead Time | 1 Week |
| Lifecycle Status | PRODUCTION (Last Updated: 2 weeks ago) |
| Package / Case | 8-SOIC (0.154, 3.90mm Width) |
| Surface Mount | YES |
| Number of Pins | 8 |
| 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) |
| Voltage - Supply | 57V Max |
| Terminal Position | DUAL |
| Terminal Form | GULL WING |
| Peak Reflow Temperature (Cel) | 260 |
| Number of Functions | 1 |
| Depth | 3.99mm |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Base Part Number | LTC4257 |
| Pin Count | 8 |
| Number of Channels | 1 |
| Power - Max | 12.95W |
| Current - Supply | 3mA |
| Internal Switch(s) | Yes |
| Standards | 802.3af (PoE) |
| Auxiliary Sense | No |
| Length | 5mm |
| Width | 3.9mm |
| RoHS Status | ROHS3 Compliant |
| Lead Free | Lead Free |
LTC4257IS8#TRPBF Overview
PoE controller is part of the Tape & Reel (TR) package, which is included in the download.In this case, it is packaged in the same way as 8-SOIC (0.154, 3.90mm Width).In this application, it is an PoE controller that is of the Controller (PD) type.Channels are growing strong/weak depending on the category: 1.PoE operates with the operating temperature of -40°C~85°C to ensure its reliability.This electrical Po E controller receives its supply voltage from 57V Max.A part number's Po E controllers of LTC4257 can be determined by its base number.8 termination is achieved by terminating a transmission line with an impedance match power over ethernet controller.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.In this case, 3mA is the supply current.A 8-pin design is used in it.There is a peak reflow temperature of this electric ethernet power controller (Cel) of 260 degrees Celsius.
LTC4257IS8#TRPBF Features
Tape & Reel (TR) package
8 pin count
8 pins
LTC4257IS8#TRPBF Applications
There are a lot of Linear Technology/Analog Devices LTC4257IS8#TRPBF Power Over Ethernet (PoE) Controllers applications.
- Higher Power Ethernet Powered Devices
- Pass-through System
- High power (>12.95 W) powered devices
- Commercial Information Displays
- POS Terminals
- High Power Wireless Data Systems
- WLAN Access Points
- Security Cameras
- Power Modules
- Switches
