TPIC1505 Datasheet, PDF (15/16 Pages) Texas Instruments – QUAD AND HEX POWER DMOS ARRAY

100
DC Conditions
d = 0.5
TPIC1505
QUAD AND HEX POWER DMOS ARRAY
THERMAL INFORMATION
DW PACKAGE^†
JUNCTION-TO-BOARD THERMAL RESISTANCE
vs
PULSE DURATION
SLIS058 – JUNE 1996
d = 0.2
10
d = 0.1
d = 0.05
d = 0.02
d = 0.01
1
Single Pulse
tc
tw
0.1
0.0001
0.001
0.01
0.1
1
10
tw – Pulse Duration – s
† _{Device is mounted on 24 in2, 4-layer FR4 printed circuit board with no heat sink.}
NOTE A: Z_θB(t) = r(t) R_θJB
tw = pulse duration
tc = cycle time
d = duty cycle = tw/tc
Figure 26
ID
0
100
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