30-FT12NMA160SH02-M669F28 Datasheet, PDF (26/32 Pages) Vincotech – Reactive power capability

30-FT12NMA160SH02-M669F28
datasheet
Buck Switching Characteristics
figure 8.
Turn-on Switching Waveforms & definition of t _Qrr
(t _{Q rr} = integrating time for Q _rr)
150
%
I_d
Q_rr
100
FWD
t_Qrr
50
0
-50
-100
3,1
3,15
3,2
3,25
3,3
3,35
3,4
3,45
3,5
time(µs)
I _d (100%) =
Q _rr (100%) =
t _{Q rr} =
149
A
6,41
µC
0,23
µs
figure 9.
Turn-on Switching Waveforms & definition of t _Erec
(t _Erec= integrating time for E _rec)
125
%
E_rec
100
FWD
75
t_Erec
50
25
P_rec
0
-25
3,1
3,15
3,2
3,25
3,3
3,35
3,4
3,45
3,5
time(µs)
P _rec (100%) =
E _rec (100%) =
t _{E rec} =
52,08 kW
1,25
mJ
0,23
µs
figure 10.
Buck switching measurement circuit
Vcc
V
3*470uF
Vdc
700
3*470uF
47kohm
47kohm
1mH
L6
Ic
A
D3
15V
Q4
DQ4
DQ3
Q3
15V
D4
D2
15V _Q1
DQ1
Vce
V
OUT1
5nH
OUT2
5nH
Vge _{V Q2}
D1
DQ2
200uH
0.00001
Q
Q
0.000003
Q
Q
Q
Q
+15V
-15V
Rgon
Rgoff
IGBT
copyright Vincotech
26
27 Jun. 2016 / Revision 3