V23990-K428-A50-P3-14 Datasheet, PDF (17/23 Pages) Vincotech – Industrial Motor Drives

Input Rectifier Bridge
V23990-K428-A50-PM
preliminary datasheet
Figure 1
Typical diode forward current as
a function of forward voltage
I_F= f(V_F)
350
300
250
200
150
100
50
0
0
At
t_p =
T_j = T_jmax-
25°C
T_j = 25°C
0,5
1
250
μs
Rectifier diode
1,5
2
V F (V)
Figure 2
Diode transient thermal impedance
as a function of pulse width
Z_thJH = f(t_p)
10¹
10⁰
10^-1
10^-2
10^-5
10^-4
At
10^-
10^-
D=
R_thJH =
t_p / T
0,88
K/W
Rectifier diode
D = 0,5
0,2
0,1
0,05
0,02
0,01
0,005
0.000
t p (s)
10^-
10
1100¹²
Figure 3
Power dissipation as a
function of heatsink temperature
P_tot = f(T_h)
200
160
120
80
40
0
0
50
100
At
T_j =
150
ºC
Rectifier diode
150
T h ( ^o C)
200
Figure 4
Forward current as a
function of heatsink temperature
I_F = f(T_h)
140
120
100
80
60
40
20
0
0
50
100
At
T_j =
150
ºC
Rectifier diode
150
T h ( ^o C)
200
copyright Vincotech
17
Revision: 3