63%1&
(OHFWULFDO&KDUDFWHULVWLFV
3DUDPHWHU
6\PERO
&RQGLWLRQV
Transconductance
gfs
Input capacitance
Ciss
Output capacitance
Coss
Reverse transfer capacitance Crss
(IIHFWLYHRXWSXWFDSDFLWDQFH &RHU
HQHUJ\UHODWHG
(IIHFWLYHRXWSXWFDSDFLWDQFH &RWU
WLPHUHODWHG
Turn-on delay time
td(on)
Rise time
Turn-off delay time
Fall time
tr
td(off)
tf
VDS≥,'5'6RQPD[
,' $
VGS 9VDS 9
f 0+]
VGS 9
VDS 9WR9
VDD 9VGS 9
,' $
RG ΩTj
VDD 9VGS 9
,' $
RG Ω
9DOXHV
PLQ W\S PD[
8QLW
6
S)
QV
*DWH&KDUJH&KDUDFWHULVWLFV
Gate to source charge
Gate to drain charge
*DWHFKDUJHWRWDO
*DWHSODWHDXYROWDJH
Qgs
VDD 9,' $
Q&
Qgd
4J
VDD 9,' $
VGS WR9
9SODWHDX VDD 9,' $
9
/LPLWHGRQO\E\PD[LPXPWHPSHUDWXUH
5HSHWLWYHDYDODQFKHFDXVHVDGGLWLRQDOSRZHUORVVHVWKDWFDQEHFDOFXODWHGDV3$9 EARf
'HYLFHRQPPPPPPHSR[\3&%)5ZLWKFPðRQHOD\HUPWKLFNFRSSHUDUHDIRUGUDLQ
FRQQHFWLRQ3&%LVYHUWLFDOZLWKRXWEORZQDLU
&RHULVDIL[HGFDSDFLWDQFHWKDWJLYHVWKHVDPHVWRUHGHQHUJ\DVCossZKLOHVDSLVULVLQJIURPWR9'66
&RWULVDIL[HGFDSDFLWDQFHWKDWJLYHVWKHVDPHFKDUJLQJWLPHDVCossZKLOHVDSLVULVLQJIURPWR9'66
7ISD<=ID, di/dt<=400A/us, VDClink=400V, Vpeak<VBR, DSS, Tj<Tj,max.
Identical low-side and high-side switch.
Rev. 2.5
3DJH
70214