55
N-C hannel E nhancement Mode F ield E ffect Transistor
S urface Mount P ackage.
AB S OLUTE MAXIMUM R ATING S (T
A
=25 C unless otherwise noted)
P arameter
S ymbol
Limit
Unit
Drain-S ource Voltage
V
DS
V
G ate-S ource Voltage
V
G S
20
V
Drain C urrent-C ontinuous @ T
J
=25 C
-P ulsed
I
D
1.7
2.5
A
A
A
W
I
DM
Drain-S ource Diode F orward C urrent
I
S
Maximum P ower Dissipation
P
D
Operating J unction and S torage
Temperature R ange
T
J
, T
S TG
-55 to 150
C
THE R MAL C HAR AC TE R IS TIC S
Thermal R esistance, J unction-to-Ambient
R
J A
50
/W
C
b
b
a
a
S amHop Microelectronics C orp.
1
P R ODUC T S UMMAR Y
V
DS S
I
D
R
DS (ON) ( m
) Max
55V
5 A
50 @ V
G S
= 10V
70 @ V
G S
= 4.5V
F E AT UR E S
S uper high dense cell design for low R
DS (ON
).
R ugged and reliable.
S O-8
1
Apr. 19. 2006
S T M4550
Drain-S ource Voltage R ating
Vspike
d
V
60
5
20
E LE C TR IC AL C HAR AC TE R IS TIC S (T
A
25 C unless otherwise noted)
=
Parameter
S ymbol
Condition
Min Typ Max Unit
OFF CHAR ACTE R IS TICS
Drain-S ource Breakdown Voltage
BV
DS S
=
V
GS
0V, I
D
250uA
=
55
V
Zero Gate Voltage Drain Current
I
DS S
V
DS
44V, V
GS
0V
=
=
1
uA
Gate-Body Leakage
I
GS S
V
GS
20V, V
DS
0V
=
=
nA
ON CHAR ACTE R IS TICS
a
Gate Threshold Voltage
V
GS (th)
V
DS
V
GS
, I
D
= 250uA
=
1
3
V
Drain-S ource On-S tate R esistance
R
DS (ON)
V
GS
10V, I
D
5A
V
GS
4.5V, I
D
3A
On-S tate Drain Current
I
D(ON)
V
DS
= 10V, V
GS
= 10V
20
22
A
S
Forward Transconductance
FS
g
V
DS
10V, I
D
5A
DYNAMIC CHAR ACTE R IS TICS
b
Input Capacitance
C
IS S
C
R S S
C
OS S
Output Capacitance
R everse Transfer Capacitance
V
DS
=20V, V
GS
= 0V
f =1.0MH
Z
689
P
F
92
P
F
P
F
55
S WITCHING CHAR ACTE R IS TICS
b
Turn-On Delay Time
R ise Time
Turn-Off Delay Time
t
D(ON)
t
r
t
D(OFF)
t
f
V
DD
= 30V
I
D
= 1A
V
GS
= 10V
R
GE N
= 6
11
ns
ns
ns
ns
10.9
5
Total Gate Charge
Gate-S ource Charge
Gate-Drain Charge
Q
g
Q
gs
Q
gd
V
DS
=15V, I
D
= 5A
V
GS
=10V
13.3
nC
nC
nC
C
Fall Time
=
=
=
=
=
=
2
5
23
1.7
2.8
m ohm
m ohm
ohm
nC
V
DS
=15V, I
D
= 5A,V
GS
=10V
V
DS
=15V, I
D
= 5A,V
GS
=4.5V
6.2
100
S T M4550
1.8
40
50
50
70
S T M4550
P arameter
S ymbol
C ondition
Min Typ Max Unit
E LE C TR IC AL C HAR AC TE R IS TIC S (T
A
=25 C unless otherwise noted)
C
DR AIN-S OUR C E DIODE C HAR AC TE R IS TIC S
Diode Forward Voltage
V
S D
V
G S
= 0V, Is =1.7A
0.78
V
b
Notes
a.S urface Mounted on FR 4 Board, t <=10sec.
c.Guaranteed by design, not subject to production testing.
b.Pulse Test:Pulse Width<=300us, Duty Cycle<= 2%.
F igure 1. Output C haracteris tics
F igure 2. Trans fer C haracteris tics
V
G S
, G ate-to-S ource Voltage (V )
V
DS
, Drain-to-S ource Voltage (V )
I
D
,
D
r
a
i
n
C
u
r
r
en
t
(
A)
I
D
,
D
r
a
i
n
C
u
r
r
en
t
(
A)
20
15
10
5
0
0
0.5
1
1.5
2
2.5
3
3
25 C
20
15
10
5
1
0
0
-55 C
125 C
0.7
4.2
3.5
2.8
2.1
1.4
V G S =3V
V G S =3.5V
V G S =4.5V
V G S =10V
F igure 4. On-R es is tance Variation with
Drain C urrent and Temperature
On
-
R
e
s
i
s
t
a
n
c
e
R
DS
(
O
N
)
,
N
o
r
m
a
liz
e
d
2.0
1.8
1.6
1.4
1.2
1.0
0
0
25
50
125
T j( C )
100
75
V
G S
=10V
I
D
=5A
T j, J unction T empera ture ( C )
V
G S
=4.5V
I
D
=3A
I
D
, Drain C urrent (A)
R
DS
(
o
n
)
(m
)
90
75
60
45
30
15
0
F igure 3. On-R es is tance vs . Drain C urrent
and G ate V oltage
10
15
20
25
0
V
G S
=10V
V
G S
=4.5V
150
5
25
V G S =4V
d.Guaranteed when external R g=6 ohm and tf < tf max.
1.2
F igure 5. G a te T hres hold V a ria tion
with T empera ture
F igure 6. B rea kdown V olta ge V a ria tion
with T empera ture
Vt
h
,
N
o
r
m
a
l
i
z
e
d
G
a
t
e
-
S
o
u
rc
e
T
hre
s
ho
l
d
V
o
l
t
a
g
e
BV
DS
S
,
N
o
r
m
a
liz
e
d
D
r
a
i
n
-
S
o
urc
e
B
r
e
a
k
d
ow
n
V
ol
t
a
g
e
T j, J unction T empera ture ( C )
T j, J unction T empera ture ( C )
4
S T M4550
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
-50
-25
0
25
50
75
100 125
V
DS
=V
G S
I
D
=250uA
-50 -25
0
25
50
75
100 125
1.15
1.10
1.05
1.00
0.95
0.90
0.85
I
D
=250uA
Is
,
S
o
u
r
c
e
-
d
r
a
i
n
c
u
r
r
e
n
t
(
A
)
F igure 8. B ody Diode F orwa rd V olta ge
V a ria tion with S ource C urrent
V
S D
, B ody Diode F orward V oltage (V )
20.0
10.0
1.0
0.2
0.4
0.6
0.8
1.0
1.2
25 C
75 C
125 C
V
G S
, G ate-S ource Voltage (V )
R
DS
(
o
n
)
(m
)
90
75
60
45
30
15
0
F igure 7. On-R es is tance vs .
G ate-S ource V oltage
2
4
6
8
10
0
25 C
125 C
I
D
=5A
75 C
5
6
F igure 11.s witching characteris tics
R g, G ate R esistance (
)
S
w
it
c
h
in
g
T
im
e
(
n
s
)
100
10
1
1
6 10
60 100
60
600
300
600
V DS =30V ,ID=1A
V G S =10V
T D (off)
T f
F igure 12. Maximum S afe
Operating Area
V
DS
, Drain-S ource Voltage (V)
I
D
,
D
ra
i
n
C
u
rre
n
t
(
A
)
50
10
1
0.1
0.03
0.1
1
10 50
80
V
G S
=10V
S ingle P ulse
T
A
=25 C
R
DS
(O
N)
Limi
t
10m
s
100m
s
1s
DC
V
GS
,
G
a
t
et
o
S
o
u
r
c
eV
o
l
t
a
g
e
(
V
)
F igure 10. G ate C harge
Qg, T otal G ate C harge (nC )
8
10
6
4
2
0
0
2
6
8
12 14 16
V
DS
=15V
I
D
=5A
4
10
F igure 9. C apacitance
V
DS
, Drain-to S ource Voltage (V)
C,
Ca
p
a
c
i
t
a
n
c
e
(
p
F
)
C iss
C oss
900
750
600
450
300
150
0
C rss
0
5
10
15
20
25
30
T r
S T M4550
T D (on)
F igure 13. S witching T es t C ircuit
F igure 14. S witching W aveforms
V
DD
R
D
V
V
R
S
V
G
G S
IN
G E N
OUT
L
t
V
V
t
t
d(on)
OUT
IN
on
r
10%
t
d(off)
90%
10%
10%
50%
50%
90%
t
off
t
f
90%
P ULS E WIDT H
T
r
an
s
i
e
n
t
T
h
e
r
m
al
I
m
p
e
d
a
n
c
e
r
(
t
)
,
N
o
r
m
a
liz
e
d
E
f
fe
c
t
iv
e
6
5
INVE R T E D
S T M4550
0.01
0.1
1
9
0.00001
0.0001
0.001
0.01
0.1
1
10
100
1000
Single Pulse
P
DM
t
1
t
2
1. R
thJ A
(t)=r (t) * R
J A
2. R
J A
=S ee Datas heet
3. T
J M-
T
A
= P
DM
* R
J A
(t)
4. Duty C ycle, D=t
1
/t
2
th
th
th
0.01
0.02
0.5
0.2
0.1
0.05
S quare W ave P uls e Duration (s ec)
F igure 15. Normalized T hermal T rans ient Impedance C urve
PAC KAG E OUTLINE DIME NS IONS
S O-8
7
S YMBOLS
MIN
MIN
0.053
0.004
0.189
0.150
0.228
0.016
0
1.35
0.10
4.80
3.81
5.79
0.41
0
MAX
MAX
0.069
0.010
0.196
0.157
0.244
0.050
8
1.75
0.25
4.98
3.99
6.20
1.27
8
MILLIME TE R S
INC HE S
A
A1
D
E
H
L
1
e
B
H
E
L
A1
A
C
D
0.05 TYP.
0.016 TYP.
0.008
TYP.
0.015X45
S TM4550
SO-8 Tape and Reel Data
SO-8 Carrier Tape
SO-8 Reel
unit:
PACKAGE
SOP 8N
150
A0
B0
K0
D0
D1
E
E1
E2
P0
P1
P2
T
6.40
5.20
2.10
1.5
(MIN)
1.5
+ 0.1
- 0.0
12.0
0.3
1.75
5.5
0.05
8.0
4.0
2.0
0.05
0.3
0.05
UNIT:
TAPE SIZE
12
REEL SIZE
330
M
N
W
W1
H
K
S
G
R
V
330
1
62
1.5
12.4
+ 0.2
16.8
- 0.4
12.75
+ 0.15
2.0
0.15
S TM4550
8
PDF 
ZIP