Parameters |
Factory Lead Time |
1 Week |
Lifecycle Status |
PRODUCTION (Last Updated: 2 weeks ago) |
Package / Case |
32-WFDFN Exposed Pad |
Surface Mount |
YES |
Number of Pins |
32 |
Operating Temperature |
0°C~70°C |
Packaging |
Tube |
Published |
2010 |
JESD-609 Code |
e3 |
Part Status |
Active |
Moisture Sensitivity Level (MSL) |
1 (Unlimited) |
Number of Terminations |
32 |
ECCN Code |
EAR99 |
Type |
Controller (PD), DC/DC |
Terminal Finish |
Matte Tin (Sn) |
Subcategory |
Switching Regulator or Controllers |
Technology |
CMOS |
Voltage - Supply |
37.2V~60V |
Terminal Position |
DUAL |
Terminal Form |
NO LEAD |
Peak Reflow Temperature (Cel) |
260 |
Number of Functions |
1 |
Terminal Pitch |
0.4mm |
Frequency |
500kHz |
Time@Peak Reflow Temperature-Max (s) |
30 |
Base Part Number |
LTC4269 |
Pin Count |
32 |
Qualification Status |
Not Qualified |
Input Voltage-Nom |
12V |
Number of Channels |
1 |
Nominal Supply Current |
1.35mA |
Power - Max |
25.5W |
Current - Supply |
1.35mA Max |
Control Mode |
CURRENT-MODE |
Control Technique |
PULSE WIDTH MODULATION |
Nominal Input Voltage |
60V |
Switcher Configuration |
SINGLE |
Internal Switch(s) |
Yes |
Standards |
802.3at (PoE+), 802.3af (PoE) |
Height Seated (Max) |
0.8mm |
Length |
7mm |
Width |
4mm |
REACH SVHC |
No SVHC |
RoHS Status |
ROHS3 Compliant |
LTC4269CDKD-2#PBF Overview
There is an embedded version of it in the Tube package.32-WFDFN Exposed Pad is how it's packaged.As far as this application is concerned, it is a Controller (PD), DC/DC type PoE controller that is being used.A strong/weak channel growth trend has been observed: 1.In order to ensure its reliability, PoE operates at the operating temperature of 0°C~70°C.This electrical Po E controller operates at voltage 37.2V~60V.An associated part can be established based on the base part number LTC4269.There are 32 terminations, which are the practice of ending a transmission line with a power over ethernet controller that matches the characteristic impedance of the line.It is estimated that this electrical ethernet over power controller has a maximum power of 25.5W Watts.As you can see from the image, it is equipped with 32 pin count.Current supply equals 1.35mA Max.Switching Regulator or Controllers includes this Po E controller in its package.There is a 32 pin design on this board.There is a peak reflow temperature of this electric ethernet power controller (Cel) of 260 degrees Celsius.In this electrical PoE ethernet controller, the frequency is 500kHz.
LTC4269CDKD-2#PBF Features
Tube package
32 pin count
32 pins
LTC4269CDKD-2#PBF Applications
There are a lot of Linear Technology/Analog Devices LTC4269CDKD-2#PBF Power Over Ethernet (PoE) Controllers applications.
- Commercial Information Displays
- IEEE 802.3bt (Draft) Compliant Devices
- Public Information Displays
- High Temperature Industrial Applications
- Pico-base Stations
- Power over Ethernet
- Non-Compliant, Application Specific Devices
- Single-Port PSE Power Injectors
- Wireless LAN Access Point/WiMAX? Base Station
- Power Modules