Philips Semiconductors Product specification
N-channel TrenchMOS transistor PHX14NQ20T , PHF14NQ20T
Fig.1. Normalised power dissipation.
PD% = 100⋅P
D
/P
D 25 ˚C
= f(T
mb
)
Fig.2. Normalised continuous drain current.
ID% = 100⋅I
D
/I
D 25 ˚C
= f(T
mb
); conditions: V
GS
≥ 10 V
Fig.3. Safe operating area. T
mb
= 25 ˚C
I
D
& I
DM
= f(V
DS
); I
DM
single pulse; parameter t
p
Fig.4. Transient thermal impedance.
Z
th j-mb
= f(t); parameter D = t
p
/T
Fig.5. Typical output characteristics, T
j
= 25 ˚C.
I
D
= f(V
DS
); parameter V
GS
Fig.6. Typical on-state resistance, T
j
= 25 ˚C.
R
DS(ON)
= f(I
D
); parameter V
GS
0 20 40 60 80 100 120 140
Ths / C
PD%
Normalised Power Derating
120
110
100
90
80
70
60
50
40
30
20
10
0
with heatsink compound
0.01
0.1
1
10
1E-06 1E-05 1E-04 1E-03 1E-02 1E-01 1E+00 1E+01
Pulse width, tp (s)
Transient thermal impedance, Zth j-a (K/W)
single pulse
D = 0.5
0.2
0.1
0.05
0.02
0 20 40 60 80 100 120 140
Ths / C
ID%
Normalised Current Derating
120
110
100
90
80
70
60
50
40
30
20
10
0
with heatsink compound
0
5
10
15
20
25
30
012345678910
Drain-Source Voltage, VDS (V)
Drain Current, ID (A)
VGS=4.5
5 V
5.5
6 V
10V
6.5V
15V
0.1
1
10
100
1000
1 10 100 1000
Drain-Source Voltage, VDS (V)
Peak Pulsed Drain Current, IDM (A)
D.C.
100 ms
10 ms
RDS(on) = VDS/ ID
1 ms
tp = 10 us
100us
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
01020
Drain Current, ID (A)
Drain-Source On Resistance, RDS(on) (Ohms)
VGS =20 V
5.5V
6.5V
6V
5V
4.5V
10V
November 2000 4 Rev 1.100