V23990-P623-L82-D2-14 Datasheet, PDF (5/19 Pages) Vincotech – High efficiency dual boost

V23990-P623-L82-PM
Figure 25
Typical diode forward current as
a function of forward voltage
I_F = f(V_F)
40
Boost Inverse Diode ( D9 , D10 )
Boost Inverse Diode
Figure 26
Diode transient thermal impedance
as a function of pulse width
Z_thJH = f(t_p)
10¹
Boost Inverse Diode
30
20
10
0
0
At
t_p =
T_j = T_jmax-25°C
1
T_j = 25°C
2
250
µs
Figure 27
Power dissipation as a
function of heatsink temperature
P_tot = f(T_h)
80
60
40
20
0
0
50
100
At
T_j =
175
ºC
10⁰
10^-1
3
V F (V)
4
10^-2
10^-5
10^-4
10^-3
10^-2
At
D=
R_thJH =
tp / T
2,28
K/W
Boost Inverse Diode
Figure 28
Forward current as a
function of heatsink temperature
I_F = f(T_h)
30
25
20
15
10
5
0
150
Th ( ^o C)
200
0
50
100
At
T_j =
175
ºC
D = 0,5
0,2
0,1
0,05
0,02
0,01
0,005
0.000
10^-1
10^{0 t} p ^(s)
10¹10
Boost Inverse Diode
150
Th ( ^o C) 200
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5
Revision: 2.1