μ
PA2375T1P Chapter Title
R07DS0573EJ0100 Rev.1.00 Page 4 of 10
Dec 05, 2011
DERATING FACTOR OF FORWARD BIAS SAFE
OPERATING AREA
TOTAL POWER DISSIPATION vs.
AMBIENT TEMPERATURE
dT - Percentage of Rated Power - %
0
20
40
60
80
100
120
0 25 50 75 100 125 150 175
T
A
- Ambient Temperature - °C
P
T
- Total Power Dissipation - W
0
0.4
0.8
1.2
1.6
2
0 25 50 75 100 125 150 175
Mounted on ceramic board
of 50 cm
2
x 1.0 mmt
T
A
- Ambient Temperature - °C
FORWARD BIAS SAFE OPERATING AREA
I
S
- Source Current - A
0.01
0.1
1
10
100
1000
0.01 0.1 1 10 100
R
SS(on)
Limited
(V
GS
= 4.5 V)
Single Pulse
P(FET1) : P(FET2) = 1 : 1
Mounted on ceramic board of
50 cm
2
x 1.0 mmt
I
S(DC)
DC
V
SS
- Source to Source Voltage - V
TRANSIENT THERMAL RESISTANCE vs. PULSE WIDTH
r
th(t)
- Transient Thermal Resistance - °C/W
0.01
0.1
1
10
100
1000
Mounted on ceramic board (50 cm
2
x 1.0 mmt)
Single pulse
PD( FET1 ) : PD( FET2) = 1 : 1
PW - Pulse Width- s
100
μ
1 m 10 m 100 m 1 10 100 1000