LTC4257IDD-1 PDF 데이터시트 검색

LTC4257-1 IEEE 802.3af PD Power over Ethernet Interface Controller with Dual Current Limit FEATURES s s s s s s s s s DESCRIPTIO Complete Power Interface Port for IEEE 802®.3af Powered Devices (PDs) Onboard 100V, 400mA Power MOSFET Precision Dual Level Current Limit Onboard 25k Signature Resistor with Disable Programmable Classification Current (Class 0-4) Undervoltage Lockout Thermal Overload Protection Power Good Signal Available in 8-Pin SO and Low Profile (3mm × 3mm) DFN Packages U APP