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Philips Semiconductors Product specification
TrenchMOS transistor BUK7618-55
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 V
suitable for surface mounting. Using I
’trench’ technology the device P
featuresverylow on-state resistance T
and has integral zener diodes giving R
DS
D
tot
j
DS(ON)
ESD protection up to 2kV. It is resistance VGS = 10 V
intended for use in automotive and
general purpose switching
applications.
PINNING - SOT404 PIN CONFIGURATION SYMBOL
Drain-source voltage 55 V
Drain current (DC) 57 A
Total power dissipation 125 W
Junction temperature 175 ˚C
Drain-source on-state 18 mΩ
PIN DESCRIPTION
mb
d
1 gate
2 drain
3 source
mb drain
2
13
g
s
LIMITING VALUES
Limiting values in accordance with the Absolute Maximum System (IEC 134)
SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
V
V
±V
I
D
I
D
I
DM
P
T
DS
DGR
tot
stg
GS
, T
j
Drain-source voltage - - 55 V
Drain-gate voltage RGS = 20 kΩ -55V
Gate-source voltage - - 16 V
Drain current (DC) Tmb = 25 ˚C - 57 A
Drain current (DC) Tmb = 100 ˚C - 40 A
Drain current (pulse peak value) Tmb = 25 ˚C - 228 A
Total power dissipation Tmb = 25 ˚C - 125 W
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 kΩ)
THERMAL RESISTANCES
SYMBOL PARAMETER CONDITIONS TYP. MAX. UNIT
R
th j-mb
R
th j-a
April 1998 1 Rev 1.000
Thermal resistance junction to - - 1.2 K/W
mounting base
Thermal resistance junction to Minimum footprint, FR4 50 - K/W
ambient board
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Philips Semiconductors Product specification
TrenchMOS transistor BUK7618-55
Standard level FET
STATIC CHARACTERISTICS
Tj= 25˚C unless otherwise specified
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
V
(BR)DSS
V
GS(TO)
I
DSS
I
GSS
±V
R
DS(ON)
(BR)GSS
Drain-source breakdown VGS = 0 V; ID = 0.25 mA; 55 - - V
voltage Tj = -55˚C 50 - - V
Gate threshold voltage VDS = VGS; ID = 1 mA 2.0 3.0 4.0 V
Tj = 175˚C 1.0 - - V
Tj = -55˚C - - 4.4 V
Zero gate voltage drain current VDS = 55 V; VGS = 0 V; - 0.05 10 µA
Tj = 175˚C - - 500 µA
Gate source leakage current VGS = ±10 V; VDS = 0 V - 0.02 1 µA
Tj = 175˚C - - 20 µA
Gate-source breakdown IG = ±1 mA; 16 - - V
voltage
Drain-source on-state VGS = 10 V; ID = 25 A - 15 18 mΩ
resistance Tj = 175˚C - - 38 mΩ
DYNAMIC CHARACTERISTICS
Tmb = 25˚C unless otherwise specified
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
g
C
C
C
t
t
t
t
L
fs
iss
oss
rss
d on
r
d off
f
d
Forward transconductance VDS = 25 V; ID = 25 A 6 30 - S
Input capacitance VGS = 0 V; VDS = 25 V; f = 1 MHz - 1500 2000 pF
Output capacitance - 370 470 pF
Feedback capacitance - 170 250 pF
Turn-on delay time VDD = 30 V; ID = 25 A; - 15 22 ns
Turn-on rise time VGS = 10 V; RG = 10 Ω - 3060ns
Turn-off delay time Resistive load - 35 50 ns
Turn-off fall time - 25 38 ns
Internal drain inductance Measured from upper edge of drain - 2.5 - nH
tab to centre of die
L
s
Internal source inductance Measured from source lead - 7.5 - nH
soldering point to source bond pad
REVERSE DIODE LIMITING VALUES AND CHARACTERISTICS
Tj = 25˚C unless otherwise specified
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
I
DR
I
DRM
V
t
rr
Q
SD
rr
Continuous reverse drain - - 57 A
current
Pulsed reverse drain current - - 200 A
Diode forward voltage IF = 25 A; VGS = 0 V - 0.95 1.2 V
IF = 50 A; VGS = 0 V - 1.0 - V
Reverse recovery time IF = 50 A; -dIF/dt = 100 A/µs; - 48 - ns
Reverse recovery charge VGS = -10 V; VR = 30 V - 0.1 - µC
April 1998 2 Rev 1.000
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Philips Semiconductors Product specification
TrenchMOS transistor BUK7618-55
Standard level FET
AVALANCHE LIMITING VALUE
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
W
DSS
Drain-source non-repetitive ID = 50 A; VDD ≤ 25 V; - - 125 mJ
unclamped inductive turn-off VGS = 10 V; RGS = 50 Ω; Tmb = 25 ˚C
energy
PD%
120
110
100
90
80
70
60
50
40
30
20
10
0
0 20 40 60 80 100 120 140 160 180
Normalised Power Derating
Tmb / C
Fig.1. Normalised power dissipation.
PD% = 100⋅PD/P
ID%
120
110
100
90
80
70
60
50
40
30
20
10
0
0 20 40 60 80 100 120 140 160 180
Tmb / C
= f(Tmb)
D 25 ˚C
Normalised Current Derating
Fig.2. Normalised continuous drain current.
ID% = 100⋅ID/I
= f(Tmb); conditions: VGS ≥ 5 V
D 25 ˚C
100
SOAX518
tp =
1 us
10 us
100 us
1 ms
10 ms
100 ms
1000
ID / A
RDS(ON) = VDS/ID
100
10
1
110
DC
VDS / V
Fig.3. Safe operating area. Tmb = 25 ˚C
ID & IDM = f(VDS); IDM single pulse; parameter t
Zth j-mb / (K/W)
10
D =
1
0.5
0.2
0.1
0.1
0.05
0.02
0.01
0.001
0
1E-07 1E-05 1E-03 1E-01 1E+01
t / s
P
D
BUKx55-lv
p
p
t
t
D =
T
t
T
Fig.4. Transient thermal impedance.
Z
= f(t); parameter D = tp/T
th j-mb
p
April 1998 3 Rev 1.000