Datasheet

LDP24A
3/5
1 2 5 10 20 50 100
0.1
0.2
0.5
1.0
2.0
5.0
10.0
tp(ms)
Ppp(kW)
Fig. 1: Peak pulse power versus exponential pulse
duration (Tj initial=85°C).
1 2 5 10 20 50 100
10
20
50
100
200
tp(ms)
Ipp(A)
Fig. 2 : Peak pulse current versus exponential
pulse duration (Tj initial=85°C).
0 25 50 75 100 125 150 175 200
0.0
0.2
0.4
0.6
0.8
1.0
1.2
Tj (°C)
Ppp[Tj] / Ppp [Tj initial=85°C]
Fig. 3: Relative variation of peak pulse power versus
junction temperature.
0 25 50 75 100 125 150 175
0
1
2
3
4
5
6
Tamb(°C)
P(W)
Rth(j-a)=Rth(j-l)
Rth(j-a)=50°C/W
Fig. 4: Continous power dissipation versus ambient
temperature.
1E-2 1E-1 1E+0 1E+1 1E+2 1E+3
0.1
1.0
10.0
100.0
tp(s)
Zth(j-a)(°C/W)
Lleads=10mm
Fig. 5: Variation of thermal impedance junction to
ambient versus pulse duration (printed circuit
board FR4, e(Cu)=35µm, SCu=1cm
2
).
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
1
10
100
200
VFM(V)
IFM(A)
Tj=125°C
Tj=25°C
Fig. 6 : Peak forward voltage drop versus peak
forward current (typical values).