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" 4 . 3.5, 120, 50. , C2M0080120D C2M0160120D?"
1:
, (C2M0080120D C2M0160120D) , , :
- (Rds(on)):
- C2M0080120D: Rds(on) = 80
- C2M0160120D: Rds(on) = 160
Rds(on), , .- (Qg):
- C2M0080120D: Qg = 120
- C2M0160120D: Qg = 160
, , .- :
- 3.5 , , .
- :
- 120 50 , Rds(on) .
:
C2M0080120D (Rds(on) = 80 ) (Qg = 120 ) C2M0160120D (Rds(on) = 160 , Qg = 160 ). , C2M0080120D , , .
, C2M0080120D .
==================== ==============
:
80- https://www.lcsc.com/datasheet/lcsc_...D_C5713516.pdf
160- https://www.lcsc.com/datasheet/lcsc_...D_C5610031.pdf
, " " "" . , :
. C2M0080120D 71 , C2M0160120D 40 . , ?
2:
! :
:
- C2M0080120D:
- (Rds(on)): 80
- (Qg): 71
- C2M0160120D:
- (Rds(on)): 160
- (Qg): 40
:
- (P_conduction):
- Rds(on) .
- : Pconduction=Irms2⋅Rd s(on)Pconduction=Ir ms2⋅Rds(on)
- Rds(on), .
C2M0080120D Rds(on) (80 160 ), .- (P_switching):
- (f), (V), (Qg).
- : Pswitching=f⋅V⋅QgPsw itching=f⋅V⋅Qg
- Qg, .
C2M0160120D (40 71 ), .- (P_total):
- :
Ptotal=Pconduction+P switchingPtotal=Pco nduction+Pswitching
:
- (f): 3.5
- (V): 120
- (R): 50
- (I_rms): Irms=VR=12050=2.4 AI rms=RV=50120=2. 4A
C2M0080120D:
- :
Pconduction=Irms2⋅Rd s(on)=(2.4)2⋅0.08=0. 46 Pconduction=Ir ms2⋅Rds(on)=(2.4)2 ⋅0.08=0.46- :
Pswitching=f⋅V⋅Qg=3. 5⋅106⋅120⋅71⋅10−9=29 .82 Pswitching=f⋅ V⋅Qg=3.5⋅106⋅120⋅71 ⋅10−9=29.82- :
Ptotal=0.46+29.82=30 .28 Ptotal=0.46+2 9.82=30.28
C2M0160120D:
- :
Pconduction=Irms2⋅Rd s(on)=(2.4)2⋅0.16=0. 92 Pconduction=Ir ms2⋅Rds(on)=(2.4)2 ⋅0.16=0.92- :
Pswitching=f⋅V⋅Qg=3. 5⋅106⋅120⋅40⋅10−9=16 .8 Pswitching=f⋅V ⋅Qg=3.5⋅106⋅120⋅40⋅ 10−9=16.8- :
Ptotal=0.92+16.8=17. 72 Ptotal=0.92+16 .8=17.72
:
- C2M0080120D: = 30.28
- C2M0160120D: = 17.72
C2M0160120D (17.72 30.28 ), . , (3.5 ), C2M0160120D (Qg).
, C2M0160120D .
==================== =====
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https://aliexpress.ru/item/100500691...00038702369704
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Alex31; 04.04.2025 20:08.
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