Standby main control power management chip 4459 pin description: The management chip adopts LNK564 built-in 700V MOS field tube, the switching transformer is T901LNK564 quasi-resonant control chip, and a 5.8V regulator is integrated inside LNK564
Maximum dissipation power of PD: 3.1
WID Maximum drain-source current: -6.5AV(BR)
DSS drain-source breakdown voltage: -30V
RDS(ON)Ω Internal resistance: -46MΩ
VRDS(ON)ld on-state current: -6.5A
VRDS(ON) Grid voltage: -10V
VGS(th)V Starting voltage: -1.5~-2.5V
VGS(th)ld(μA) Start current: -250μA
Gfs(min)S transconductance: 11S
Gfs(min)VDS drain-source voltage: -5V
Gfs(min)lo on-state current: -6.5A