V23990-P629-L99-PM Datasheet, PDF (2/3 Pages) Vincotech – DC Boost Application

V23990-P629-L99-PM
flowBOOST 0
DC Boost Application
Figure 5.
Typical available input current as a function of
V_in/V_out
I_in=f(V_in/V_out)
60
Th=60°C
50
per Leg
Figure 6.
Typical available input current as a function of
switching frequency
I_in=f(f_sw)
60
Th=60°C
50
1200V/40A
per Leg
40
40
30
30
20
Th=100°C
10
0
0,1
0,2
0,3
0,4
0,5
0,6
0,7
0,8
0,9
1,0
Vin/Vout
Conditions:
DC link=
T_j= T_jmax-25°C
700 V
f_sw=
20
kHz
parameter: Heatsink temp.
Th from
60 °C to
100 °C
in
10 °C
steps
Figure 7.
Typical available input current as a function of
f_sw and V_in/V_out
I_in=f(f_sw,V_in/V_out)
Iin (A)
0,10
per Leg
0,20
45,0-50,0
40,0-45,0
0,30
35,0-40,0
0,40
30,0-35,0
25,0-30,0
0,50
20,0-25,0
15,0-20,0
0,60
10,0-15,0
0,70
5,0-10,0
0,80
0,90
8
16
32
64
128 256
fsw (kHz)
Conditions:
Tj= T_jmax-25°C
DC link=
700 V
Th=
80 °C
20
Th=100°C
10
0
1
10
100
fsw (kHz)
1000
Conditions:
DC link=
T_j= T_jmax-25°C
700 V
Vin 500 V
parameter: Heatsink temp.
Th from
60 °C to
100 °C
in
10 °C
steps
Figure 8.
Typical available electric input power as a function
of heatsink temperature
P_in=f(T_h)
30,0
per Leg
25,0
20,0
"from" kHz
15,0
10,0
5,0
to" kHz
0,0
60
65
70
75
80
85
90
95
100
Th ( ^o C)
Conditions:
Vin
Sw. freq.
Tj= T_jmax-25°C
500 V
fsw from 16
DC link=
kHz to
700 V
128
kHz
copyright by Vincotech
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