SDM9926A View Datasheet(PDF) - Samhop Mircroelectronics
Part Name
Description
MFG CO.
'SDM9926A' PDF : 5 Pages View PDF
S DM9926A
V DD
ton
toff
5
RL
V IN
td(on)
tr td(off)
90%
tf
90%
D
V OUT
VG S
VOUT
10% INVE R TE D
10%
RGEN G
90%
S
VIN
50%
50%
10%
PULS E WIDTH
F igure 11. S witching T es t C ircuit
F igure 12. S witching Waveforms
2
1
Duty C ycle=0.5
0.2
0.1
0.1
0.05
0.02
0.01
10-4
S ingle P uls e
10-3
10-2
10-1
1
S quare Wave P uls e Duration (s ec)
P DM
t1
t2
1. R thJA (t)=r (t) * R thJA
2. R thJA=S ee Datas heet
3. T J M-T A = P DM* R thJ A (t)
4. Duty C ycle, D=t1/t2
10
100
F igure 13. Normalized T hermal T rans ient Impedance C urve
5
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