LTC4269-1
LTC4269-1 is IEEE 802.3at PD And Synchronous No-Opto Flyback Controller manufactured by Linear Technology.
Features n 25.5W IEEE 802.3at pliant (Type 2) PD n Integrated State-of-the-Art Synchronous Flyback
Controller
- Isolated Power Supply Efficiency >92%
- 88% Efficiency Including Diode Bridge and
Hot Swap™ FET n Flexible Integrated Auxiliary Power Support n Superior EMI Performance n Robust 100V 0.7Ω (Typ) Integrated Hot Swap MOSFET n IEEE 802.3at High Power Available Indicator n Integrated Signature Resistor and Programmable
Class Current n Undervoltage, Overvoltage and Thermal Protection n Short-Circuit Protection with Auto-Restart n Programmable Soft-Start and Switching Frequency n plementary Power Good Indicators n Thermally Enhanced 7mm × 4mm DFN Package
APPLICATIONS n Vo IP Phones with Advanced Display Options n Dual-Radio Wireless Access Points n PTZ Security Cameras n RFID Readers n Industrial Controls
IEEE 802.3at PD with Synchronous No-Opto
Flyback Controller
DESCRIPTION
The LTC®4269-1 is an integrated Powered Device (PD) controller and switching...