The STD55N4F5 is a N-channel STripFET
This Power MOSFET technology is among the
latest improvements, which have been especially
tailored to achieve very low on-state resistance
providing also one of the best-in-class figure of
merit (FOM).
vs temperatureFigure 7.Static drain-source on resistance
VDSS
AM07073v1
(norm)
1.15
1.10
1.05
1.00
0.95
0.90
0.85
0.80
-50
-25
25
0
50
75
100
125
T
J
(°C)
6/13 Doc ID 15661 Rev 3
R
DS(on)
(mOhm)
7.35
7.30
7.25
7.20
7.15
7.10
AM07074v1
VGS=10V
40
50
D
(A)
20
0
10
30
I
Page 7
STD55N4F5Electrical characteristics
Figure 8.Gate charge vs gate-source voltage Figure 9.Capacitance variations
V
GS
(V)
VDD=20V
D
=55A
I
10
AM07075v1
(pF)
1000
C
AM07076v1
Ciss
8
6
4
2
0
0
10
5
15
20
251230
Q
g
(nC)
Figure 10. Normalized gate threshold voltage
V
(norm)
vs temperature
GS(th)
1.2
1.0
0.8
0.6
0.4
0.2
AM07077v1
100
10
1
0.1
1
10
V
Figure 11. Normalized on resistance vs
temperature
R
DS(on)
(norm)
2.0
1.5
1.0
0.5
Coss
Crss
DS
(V)
AM07078v1
0
-50
-25
25
0
50
75
100
125
Figure 12. Source-drain diode forward
characteristics
V
SD
(V)
TJ=-55°C
1.0
0.8
TJ=25°C
0.6
0.4
0.2
0
0
10
20
30
40
TJ=175°C
50
T
J
(°C)
AM07079v1
I
SD
(A)
-50
-25
25
0
50
75
100 125
T
J
(°C)
0
Doc ID 15661 Rev 37/13
Page 8
Test circuitsSTD55N4F5
3 Test circuits
Figure 13. Switching times test circuit for
PW
resistive load
VGS
VD
RG
RL
D.U.T.
2200
µF
3.3
µF
AM01468v1
V
DD
Figure 15. Test circuit for inductive load
G
25
Ω
switching and diode recovery times
A
D
D.U. T.
S
B
R
FAST
DIODE
G
A
A
L=100µH
B
B
D
G
S
3.3
µF
1000
µF
V
DD
Figure 14. Gate charge test circuit
V
i=20V=VGMAX
PW
2200
µF
1kΩ
12V
IG=CONST
2.7kΩ
47kΩ
47kΩ
100Ω
100nF
D.U.T.
AM01469v1
Figure 16. Unclamped inductive load test
circuit
L
VD
ID
Vi
D.U. T.
2200
µF
3.3µF
1kΩ
VDD
V
VDD
G
Pw
AM01470v1
Figure 17. Unclamped inductive waveformFigure 18. Switching time waveform
V(BR)DSS
VD
IDM
ID
VDD
VDD
AM01472v1
8/13 Doc ID 15661 Rev 3
0
0
10%
tdon
ton
90%
tr
10%
V
GS
VDS
90%
tdoff
AM01471v1
toff
tf
90%
10%
AM01473v1
Page 9
STD55N4F5Package mechanical data
4 Package mechanical data
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK
®
packages, depending on their level of environmental compliance. ECOPACK®
specifications, grade definitions and product status are available at: www.st.com. ECOPACK
is an ST trademark.
Doc ID 15661 Rev 39/13
Page 10
Package mechanical dataSTD55N4F5
TO-252 (DPAK) mechanical data
DIM.
V20
mm.
.xampyt.nim
04.202.2A
01.109.01A
32.030.02A
09.046.0b
04.502.54b
06.054.0c
06.084.02c
02.600.6D
01.51D
.6E
06.604
07.41E
82.2e
06.404.41e
01.0153.9H
1L
08.21L
08.02L
106.04L
02.0R
o
o
8
10/13 Doc ID 15661 Rev 3
0068772_G
Page 11
STD55N4F5Packaging mechanical data
5 Packaging mechanical data
DPAK FOOTPRINT
All dimensions are in millimeters
TAPE AND REEL SHIPMENT
REEL MECHANICAL DATA
DIM.
A33012.992
B1.50.059
C12.813.20.504 0.520
D20.20.795
G16.418.4 0.645 0.724
N501.968
T22.40.881
TAPE MECHANICAL DATA
DIM.
mminch
MIN. MAX. MIN. MAX.
BASE QTYBULK QTY
A06.870.267 0.275
B010.410.60.409 0.417
B112.10.476
D1.51.60.059 0.063
D11.50.059
E1.651.85 0.065 0.073
F7.47.60.291 0.299
K02.552.750.100 0.108
P03.94.10.153 0.161
P17.98.10.311 0.319
P21.92.10.075 0.082
R401.574
W15.716.30.618 0.641
mminch
MIN. MAX. MIN. MAX.
25002500
Doc ID 15661 Rev 311/13
Page 12
Revision historySTD55N4F5
6 Revision history
Table 8.Document revision history
DateRevisionChanges
06-May-20091First release
– Document status promoted from target specification to preliminary
10-Jul-20092
22-Jun-20103Document status promoted from preliminary data to datasheet
data
–R
max value changed
DS(on)
12/13 Doc ID 15661 Rev 3
Page 13
STD55N4F5
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