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Philips Semiconductors
Product specification
TrenchMOS
Ô
transistor
BUK7508-55
Standard level FET
GENERAL DESCRIPTION
QUICK REFERENCE DATA
N-channel enhancement mode
SYMBOL PARAMETER
MAX.
UNIT
standard level field-effect power
transistor in a plastic envelope using
V
DS
Drain-source voltage
55
V
’
trench
’ technology. The device
I
D
Drain current (DC)
75
A
features very low on-state resistance
P
tot
Total power dissipation
187
W
and has integral zener diodes giving
T
j
Junction temperature
175
˚C
ESD protection up to 2kV. It is
R
DS(ON)
Drain-source on-state
8
m
W
intended for use in automotive and
resistance
V
GS
= 10 V
general
purpose
switching
applications.
PINNING - TO220AB
PIN CONFIGURATION
SYMBOL
PIN
DESCRIPTION
d
tab
1
gate
2
drain
3
source
g
tab drain
123
s
LIMITING VALUES
Limiting values in accordance with the Absolute Maximum System (IEC 134)
SYMBOL PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
V
DS
Drain-source voltage
-
-
55
V
V
DGR
Drain-gate voltage
R
GS
= 20 k
W
-
55
V
±
V
GS
Gate-source voltage
-
-
16
V
I
D
Drain current (DC)
T
mb
= 25 ˚C
-
75
A
I
D
Drain current (DC)
T
mb
= 100 ˚C
-
65
A
I
DM
Drain current (pulse peak value)
T
mb
= 25 ˚C
-
240
A
P
tot
Total power dissipation
T
mb
= 25 ˚C
-
187
W
T
stg
, T
j
Storage & operating temperature
-
- 55
175
˚C
ESD LIMITING VALUE
SYMBOL PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
V
C
Electrostatic discharge capacitor
Human body model
-
2
kV
voltage, all pins
(100 pF, 1.5 k
W
)
THERMAL RESISTANCES
SYMBOL PARAMETER
CONDITIONS
TYP.
MAX.
UNIT
R
th j-mb
Thermal resistance junction to
-
-
0.8
K/W
mounting base
R
th j-a
Thermal resistance junction to
in free air
60
-
K/W
ambient
February 1997
1
Rev 1.000
Philips Semiconductors
Product specification
TrenchMOS
Ô
transistor
BUK7508-55
Standard level FET
STATIC CHARACTERISTICS
T
j
= 25˚C unless otherwise specified
SYMBOL PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
V
(BR)DSS
Drain-source breakdown
V
GS
= 0 V; I
D
= 0.25 mA;
55
-
-
V
voltage
T
j
= -55˚C
50
-
-
V
V
GS(TO)
Gate threshold voltage
V
DS
= V
GS
; I
D
= 1 mA
2
3.0
4.0
V
T
j
= 175˚C
1
-
-
V
T
j
= -55˚C
-
-
4.4
V
I
DSS
Zero gate voltage drain current V
DS
= 55 V; V
GS
= 0 V;
-
0.05
10
m
A
T
j
= 175˚C
-
-
500
m
A
I
GSS
Gate source leakage current
V
GS
=
±
10 V; V
DS
= 0 V
-
0.02
1
m
A
T
j
= 175˚C
-
-
20
m
A
±
V
(BR)GSS
Gate-source breakdown
I
G
=
±
1 mA;
16
-
-
V
voltage
R
DS(ON)
Drain-source on-state
V
GS
= 10 V; I
D
= 25 A
-
6.5
8
m
W
resistance
T
j
= 175˚C
-
-
17
m
W
DYNAMIC CHARACTERISTICS
T
mb
= 25˚C unless otherwise specified
SYMBOL PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
g
fs
Forward transconductance
V
DS
= 25 V; I
D
= 25 A
10
45
-
S
C
iss
Input capacitance
V
GS
= 0 V; V
DS
= 25 V; f = 1 MHz
-
3600 4500
pF
C
oss
Output capacitance
-
830 1000
pF
C
rss
Feedback capacitance
-
320
440
pF
t
d on
Turn-on delay time
V
DD
= 30 V; I
D
= 25 A;
-
27
40
ns
t
r
Turn-on rise time
V
GS
= 10 V; R
G
= 10
W
-
70
105
ns
t
d off
Turn-off delay time
Resistive load
-
100
140
ns
t
f
Turn-off fall time
-
50
70
ns
L
d
Internal drain inductance
Measured from contact screw on
-
3.5
-
nH
tab to centre of die
L
d
Internal drain inductance
Measured from drain lead 6 mm
-
4.5
-
nH
from package to centre of die
L
s
Internal source inductance
Measured from source lead 6 mm
-
7.5
-
nH
from package to source bond pad
REVERSE DIODE LIMITING VALUES AND CHARACTERISTICS
T
j
= 25˚C unless otherwise specified
SYMBOL PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
I
DR
Continuous reverse drain
-
-
75
A
current
I
DRM
Pulsed reverse drain current
-
-
240
A
V
SD
Diode forward voltage
I
F
= 25 A; V
GS
= 0 V
-
0.85
1.2
V
I
F
= 75 A; V
GS
= 0 V
-
1.0
-
V
t
rr
Reverse recovery time
I
F
= 75 A; -dI
F
/dt = 100 A/
m
s;
-
65
-
ns
Q
rr
Reverse recovery charge
V
GS
= -10 V; V
R
= 30 V
-
0.18
-
m
C
February 1997
2
Rev 1.000
Philips Semiconductors
Product specification
TrenchMOS
Ô
transistor
BUK7508-55
Standard level FET
AVALANCHE LIMITING VALUE
SYMBOL PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
W
DSS
Drain-source non-repetitive
I
D
= 75 A; V
DD
£
25 V;
-
-
500
mJ
unclamped inductive turn-off
V
GS
= 10 V; R
GS
= 50
W
; T
mb
= 25 ˚C
energy
120
110
100
90
80
70
60
50
40
30
20
10
0
PD%
Normalised Power Derating
BUKX508-55
1000
ID / A
RDS(ON) = VDS/ID
100
tp = 10 us
100 us
10
DC
1 ms
10 ms
100 ms
0
20 40 60 80 100 120 140 160 180
Tmb / C
1
1
10
100
VDS / V
Fig.1. Normalised power dissipation.
PD% = 100
×
P
D
/P
D 25 ˚C
= f(T
mb
)
Fig.3. Safe operating area. T
mb
= 25 ˚C
I
D
& I
DM
= f(V
DS
); I
DM
single pulse; parameter t
p
ID%
Normalised Current Derating
Zth / (K/W)
120
110
100
90
80
70
60
50
40
30
20
10
0
1E+00
0.5
1E-01
0.2
0.1
0.05
0.02
1E-02
P
t
p
D =
t
p
0
T
t
1E-03
0
20 40 60 80 100 120 140 160 180
Tmb / C
1E-07
1E-05
1E-03
1E-01
1E+01
t / s
Fig.2. Normalised continuous drain current.
ID% = 100
I
D
/I
D 25 ˚C
= f(T
mb
); conditions: V
GS
³
5 V
Fig.4. Transient thermal impedance.
Z
th j-mb
= f(t); parameter D = t
p
/T
February 1997
3
Rev 1.000
D
T
×
Philips Semiconductors
Product specification
TrenchMOS
Ô
transistor
BUK7508-55
Standard level FET
100
70
gfs/S
16
6
.5
VGS/V =
6.0
ID/A
10
60
80
50
60
5.5
40
40
30
5.0
20
20
4.5
4.0
10
0
0
2
4
6
8
10
0
VDS/V
0
20
40
ID/A
60
80
100
Fig.5. Typical output characteristics, T
j
= 25 ˚C.
I
D
= f(V
DS
); parameter V
GS
Fig.8. Typical transconductance, T
j
= 25 ˚C.
g
fs
= f(I
D
); conditions: V
DS
= 25 V
15
RDS(ON)/mOhm
BUK7508-55
a
BUK959-60
Rds(on) normlised to 25degC
2.5
5.5
6
VGS/V=
6.5
2
10
7
8
1.5
10
5
1
0
0
20
40
60
80
100
120
0.5
-100
-50
0
50
100
150
200
ID/A
Tmb / degC
Fig.6. Typical on-state resistance, T
j
= 25 ˚C.
R
DS(ON)
= f(I
D
); parameter V
GS
Fig.9. Normalised drain-source on-state resistance.
a = R
DS(ON)
/R
DS(ON)25 ˚C
= f(T
j
); I
D
= 25 A; V
GS
= 5 V
100
5
VGS(TO) / V
BUK759-60
ID/A
max.
80
4
typ.
60
3
min.
40
2
Tj/C = 175
25
20
1
0
-100
-50
0
50
100
150
200
0
1
2
3
4
5
6
7
VGS/V
Tj / C
Fig.7. Typical transfer characteristics.
I
D
= f(V
GS
) ; conditions: V
DS
= 25 V; parameter T
j
Fig.10. Gate threshold voltage.
V
GS(TO)
= f(T
j
); conditions: I
D
= 1 mA; V
DS
= V
GS
February 1997
4
Rev 1.000
0
Philips Semiconductors
Product specification
TrenchMOS
Ô
transistor
BUK7508-55
Standard level FET
Sub-Threshold Conduction
100
1E-01
IF/A
1E-02
80
2%
typ
98%
60
1E-03
Tj/C =
175
25
1E-04
40
1E-05
20
0
1E-06
0
0.2
0.4
0.6
0.8
1
1.2
0
1
2
3
4
5
VSDS/V
Fig.11. Sub-threshold drain current.
I
D
= f(V
GS)
; conditions: T
j
= 25 ˚C; V
DS
= V
GS
Fig.14. Typical reverse diode current.
I
F
= f(V
SDS
); conditions: V
GS
= 0 V; parameter T
j
7
120
110
100
90
80
70
60
50
40
30
20
10
0
WDSS%
6
5
4
Ciss
3
2
1
Coss
Crss
0
0.01
0.1
1
VDS/V
10
100
20
40
60
80
100 120 140 160 180
Tmb / C
Fig.12. Typical capacitances, C
iss
, C
oss
, C
rss
.
C = f(V
DS
); conditions: V
GS
= 0 V; f = 1 MHz
Fig.15. Normalised avalanche energy rating.
W
DSS
% = f(T
mb
); conditions: I
D
= 75 A
12
BUK7508-55
VGS/V
+
VDD
10
L
VDS = 14V
VDS = 44V
8
VDS
-
VGS
6
-ID/10
0
4
0
T.U.T.
2
RGS
R 01
shunt
0
0 0000000000
QG/nC
Fig.16. Avalanche energy test circuit.
Fig.13. Typical turn-on gate-charge characteristics.
V
GS
= f(Q
G
); conditions: I
D
= 50 A; parameter V
DS
W
DSS
=
0.5
×
LI
2
×
BV
DSS
/(
BV
DSS
-
V
DD
)
February 1997
5
Rev 1.000
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