SI3402-B-GM

 Pin-compatible replacement for
the obsolete Si3402-A
 IEEE 802.3 standard-compliant
solution, including pre-standard
(legacy) PoE support
 Highly-integrated IC enables
compact solution footprints
Minimal external components
Integrated diode bridges and
transient surge suppressor
Integrated switching regulator
controller with on-chip power
FET
Integrated dual current-limited
hotswap switch
 Programmable classification
circuit
 Incorporates switcher EMIreduction techniques.
 Supports non-isolated and
isolated switching topologies
 Comprehensive protection
circuitry
Transient overvoltage
protection
Undervoltage lockout
Early power-loss indicator
Thermal shutdown protection
Foldback current limiting
 Low-profile 5 x 5 mm 20-pin QFN
 RoHS-compliant