1
3
TAB
2
3
DPAK
TAB
1
D2PAK
2
AM01475v1_noZen
D(2, TAB)
G(1)
S(3)
STB18NF25, STD18NF25
Datasheet
Automotive-grade N-channel 250 V, 0.140 Ω typ., 17 A STripFET™ II
Power MOSFETs in D2PAK and DPAK packages
Features
Product status
STB18NF25
STD18NF25
Order codes
STB18NF25
STD18NF25
V
DS
250 V 0.165 Ω 17 A 110 W
R
max. I
DS(on)
D
P
TOT
• AEC-Q101 qualified
• Exceptional dv/dt capability
• 100% avalanche tested
• Low gate charge
Applications
• Switching applications
Description
These Power MOSFETs have been developed using STMicroelectronics’ unique
STripFET process, which is specifically designed to minimize input capacitance and
gate charge. This renders the devices suitable for use as primary switch in advanced
high-efficiency isolated DC-DC converters for telecom and computer applications,
and applications with low gate charge driving requirements.
DS6601 - Rev 5 - May 2018
For further information contact your local STMicroelectronics sales office.
www.st.com
1 Electrical ratings
Symbol Parameter Value Unit
V
DS
V
GS
I
D
I
D
(1)
IDM
P
TOT
(2)
dv/dt
T
j
T
stg
1. Pulse width limited by safe operating area.
2. ISD ≤ 17 A, di/dt ≤ 200 A/μs, V
Drain-source voltage 250 V
Gate-source voltage ±20 V
Drain current (continuous) at TC = 25 °C
Drain current (continuous) at TC = 100 °C
Drain current (pulsed) 68 A
Total dissipation at TC = 25 °C
Peak diode recovery voltage slope 10 V/ns
Operating junction temperature range
Storage temperature range
DSpeak
Table 1. Absolute maximum ratings
≤ V
(BR)DSS
, VDD = 80% V
(BR)DSS
.
STB18NF25, STD18NF25
Electrical ratings
17 A
12 A
110 W
-55 to 175 °C
Table 2. Thermal data
Symbol
R
thj-case
(1)
R
1. When mounted on 1 inch² FR-4, 2 Oz copper board.
thj-pcb
Thermal resistance junction-case 1.36 °C/W
Thermal resistance junction-pcb 30 50 °C/W
Parameter
Table 3. Avalanche characteristics
Symbol
I
AR
E
AS
Avalanche current, repetitive or not-repetitive
(pulse width limited by T
Single pulse avalanche energy
(starting Tj = 25 °C, ID = IAR, VDD = 50 V)
Parameter Value Unit
)
jmax
D2PAK
Value
Unit
DPAK
17 A
170 mJ
DS6601 - Rev 5
page 2/22
2 Electrical characteristics
(T
= 25 °C unless otherwise specified)
CASE
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
(BR)DSS
I
DSS
I
GSS
V
GS(th)
R
DS(on)
1. Defined by design, not subject to production test.
Drain-source breakdown voltage
Zero gate voltage drain current
Gate body leakage current
Gate threshold voltage
Static drain-source on resistance
Table 4. On/off states
ID = 1 mA, VGS = 0 V
VGS = 0 V, VDS = 250 V
VGS = 0 V, VDS = 250 V,
TC = 125 °C
VDS = 0 V, VGS = ±20 V
VDS = VGS, ID = 250 µA
VGS = 10 V, ID = 8.5 A
(1)
STB18NF25, STD18NF25
Electrical characteristics
250 V
1 µA
10 µA
±100 nA
2 3 4 V
0.140 0.165 Ω
1. C
2. C
Table 5. Dynamic
Symbol
C
iss
C
oss
C
rss
C
o(tr)
C
o(er)
R
g
Q
g
Q
gs
Q
gd
is a constant capacitance value that gives the same charging time as C
o(tr)
is a constant capacitance value that gives the same stored energy as C
o(er)
Input capacitance
Output capacitance 178
Reverse transfer capacitance 28
(1)
Equivalent capacitance time related
Equivalent capacitance
(2)
energy related
Gate input resistance
Total gate charge
Gate-source charge 4.5
Gate-drain charge 14.4
Parameter Test conditions Min. Typ. Max. Unit
VDS = 25 V, f = 1 MHz,
VGS = 0 V
VDS = 0 to 200 V, VGS = 0 V
f = 1 MHz, ID=0 A
VDD = 200 V, ID = 17 A,
VGS = 0 to 10 V
(see Figure 16. Test circuit for
gate charge behavior)
Table 6. Switching times
Symbol
t
d(on)
t
r
t
d(off)
t
f
Turn-on delay time
Rise time 16.5
Turn-off delay time 31.5
Fall time 9.8
Parameter Test conditions Min. Typ. Max. Unit
VDD = 125 V, ID = 8.5 A,
RG = 4.7 Ω, VGS = 10 V
(see Figure 15. Test circuit for
resistive load switching times
and Figure 20. Switching time
waveform)
1000
-
- 106 -
79 -
- 2 - Ω
29.3 -
-
while VDS is rising from 0 to 80% V
oss
while VDS is rising from 0 to 80% V
oss
10.2
-
- pF
pF
nC
-
.
DSS
DSS.
- ns
DS6601 - Rev 5
page 3/22
STB18NF25, STD18NF25
Electrical characteristics
Table 7. Source drain diode
Symbol Parameter Test conditions Min. Typ. Max. Unit
I
SD
I
SDM
VSD
t
rr
Q
rr
I
RRM
t
rr
Q
rr
I
RRM
1. Pulse width limited by safe operating area.
2. Pulsed: pulse duration = 300 μs, duty cycle 1.5%.
Source-drain current
(1)
Source-drain current (pulsed) 68
(2)
Forward on voltage
Reverse recovery time
Reverse recovery charge 0.8 μC
ISD = 17 A, VGS = 0 V
ISD = 17 A, di/dt = 100 A/µs
VDD = 60 V
(see Figure 17. Test circuit for
Reverse recovery current 10.6 A
inductive load switching and
-
- 1.5 V
147 ns
-
diode recovery times)
Reverse recovery time
Reverse recovery charge 1.1 μC
Reverse recovery current 12 A
ISD = 17 A, di/dt = 100 A/µs
VDD = 60 V, Tj = 150 °C
(see Figure 17. Test circuit for
inductive load switching and
180 ns
-
diode recovery times)
17
A
DS6601 - Rev 5
page 4/22
2.1 Electrical characteristics curves
ID
10
1
0.1
0.1
1
100
VDS(V)
10
(A)
Operation in this area is
Limited by max RDS(on)
10µs
100µs
1ms
10ms
Tj=175°C
Tc=25°C
Sinlge
pulse
AM05549v1
ID
10
1
0.1
0.1
1
100
VDS(V)
10
(A)
Operation in this area is
Limited by max RDS(on)
10µs
100µs
1ms
10ms
Tj=175°C,
Tc=25°C
Single pulse
100
AM05561v1
GC20460
10
0
10
-1
10
-2
10-510-410-310
-2
10
-1
K
tp (s)
ID
25
20
5
0
0
10
VDS(V)
20
(A)
35
40
5V
6V
7V
VGS=10V
10
15
30
45
AM05550v1
ID
20
10
0
0
4
VGS(V)
8
(A)
2
6
30
VDS=10V
AM05551v1
STB18NF25, STD18NF25
Electrical characteristics curves
Figure 1. Safe operating area for D2PAK
Figure 3. Safe operating area for DPAK
Figure 2. Thermal impedance for D2PAK
Figure 4. Thermal impedance for DPAK
DS6601 - Rev 5
Figure 5. Output characterisics
Figure 6. Transfer characteristics
page 5/22
VGS
6
4
2
0
0
Qg(nC)
(V)
20
8
10
10
VDD=200V
ID=17A
12
150
100
50
0
200
VDS
VDS
30
(V)
AM05552v1
Eoss
1.5
1.0
0.5
0
0
50
VDS(V)
(µJ)
200
2.0
100
150
2.5
3.0
3.5
4.0
AM05554v1
C
1000
100
10
0.1
10
VDS(V)
(pF)
1
100
Ciss
Coss
Crss
AM05555v1
VGS(th)
0.60
0.50
0.40
0.30
-100
TJ(°C)
(norm)
-50
0.70
50
100
150
0.90
0.80
1.00
1.10
0
AM05556v1
RDS(on)
2.0
1.5
1.0
0.5
-50
0
TJ(°C)
(norm)
50
100
2.5
150
-100
AM05557v1
STB18NF25, STD18NF25
Electrical characteristics curves
Figure 7. Gate charge vs gate-source voltage
Figure 9. Output capacitance stored energy
Figure 8. Static drain-source on resistance
Figure 10. Capacitance variations
DS6601 - Rev 5
Figure 11. Normalized gate threshold voltage vs
temperature
Figure 12. Normalized on-resistance vs temperature
page 6/22
VSD
0
10
ISD(A)
(V)
5
15
20
0.4
0.5
0.6
0.7
0.8
0.9
1.0
TJ=-50°C
TJ=175°C
TJ=25°C
AM05558v1
V(BR)DSS
-100
TJ(°C)
(norm)
-50
50
0
0.90
0.95
1.00
1.05
1.10
1.15
100
150
AM05559v1
STB18NF25, STD18NF25
Electrical characteristics curves
Figure 13. Source-drain diode forward characteristics
Figure 14. Normalized V
vs temperature
(BR)DSS
DS6601 - Rev 5
page 7/22
3 Test circuits
AM01468v1
V
D
R
G
R
L
D.U.T.
2200
μF
V
DD
3.3
μF
+
pulse width
V
GS
AM01469v1
47 kΩ
1 kΩ
47 kΩ
2.7 kΩ
1 kΩ
12 V
IG= CONST
100 Ω
100 nF
D.U.T.
+
pulse width
V
GS
2200
μF
V
G
V
DD
AM01470v1
A
D
D.U.T.
S
B
G
25 Ω
A
A
B
B
R
G
G
D
S
100 µH
µF
3.3
1000
µF
V
DD
D.U.T.
+
_
+
fast
diode
AM01471v1
V
D
I
D
D.U.T.
L
V
DD
+
pulse width
V
i
3.3
µF
2200
µF
AM01472v1
V(BR)DSS
VDD
VDD
VD
IDM
ID
AM01473v1
0
V
GS
90%
V
DS
90%
10%
90%
10%
10%
t
on
t
d(on)
t
r
0
t
off
t
d(off)
t
f
STB18NF25, STD18NF25
Test circuits
Figure 15. Test circuit for resistive load switching times
Figure 17. Test circuit for inductive load switching and
diode recovery times
Figure 16. Test circuit for gate charge behavior
Figure 18. Unclamped inductive load test circuit
DS6601 - Rev 5
Figure 19. Unclamped inductive waveform
Figure 20. Switching time waveform
page 8/22
4 Package information
STB18NF25, STD18NF25
Package information
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.
®
DS6601 - Rev 5
page 9/22
4.1 D²PAK (TO-263) type A package information
0079457_25
Figure 21. D²PAK (TO-263) type A package outline
STB18NF25, STD18NF25
D²PAK (TO-263) type A package information
DS6601 - Rev 5
page 10/22
STB18NF25, STD18NF25
D²PAK (TO-263) type A package information
Table 8. D²PAK (TO-263) type A package mechanical data
Dim.
Min. Typ. Max.
A 4.40 4.60
A1 0.03 0.23
b 0.70 0.93
b2 1.14 1.70
c 0.45 0.60
c2 1.23 1.36
D 8.95 9.35
D1 7.50 7.75 8.00
D2 1.10 1.30 1.50
E 10.00 10.40
E1 8.30 8.50 8.70
E2 6.85 7.05 7.25
e 2.54
e1 4.88 5.28
H 15.00 15.85
J1 2.49 2.69
L 2.29 2.79
L1 1.27 1.40
L2 1.30 1.75
R 0.40
V2 0° 8°
mm
DS6601 - Rev 5
page 11/22
Footprint
STB18NF25, STD18NF25
D²PAK (TO-263) type A package information
Figure 22. D²PAK (TO-263) recommended footprint (dimensions are in mm)
DS6601 - Rev 5
page 12/22
4.2 DPAK (TO-252) type A2 package information
0068772_type-A2_rev25
Figure 23. DPAK (TO-252) type A2 package outline
STB18NF25, STD18NF25
DPAK (TO-252) type A2 package information
DS6601 - Rev 5
page 13/22
STB18NF25, STD18NF25
DPAK (TO-252) type A2 package information
Table 9. DPAK (TO-252) type A2 mechanical data
Dim.
Min. Typ. Max.
A 2.20 2.40
A1 0.90 1.10
A2 0.03 0.23
b 0.64 0.90
b4 5.20 5.40
c 0.45 0.60
c2 0.48 0.60
D 6.00 6.20
D1 4.95 5.10 5.25
E 6.40 6.60
E1 5.10 5.20 5.30
e 2.159 2.286 2.413
e1 4.445 4.572 4.699
H 9.35 10.10
L 1.00 1.50
L1 2.60 2.80 3.00
L2 0.65 0.80 0.95
L4 0.60 1.00
R 0.20
V2 0° 8°
mm
DS6601 - Rev 5
page 14/22
FP_0068772_25
STB18NF25, STD18NF25
DPAK (TO-252) type A2 package information
Figure 24. DPAK (TO-252) recommended footprint (dimensions are in mm)
DS6601 - Rev 5
page 15/22
4.3 D²PAK and DPAK packing information
Figure 25. Tape outline
STB18NF25, STD18NF25
D²PAK and DPAK packing information
DS6601 - Rev 5
page 16/22
Figure 26. Reel outline
A
D
B
Full radius
Tape slot
in core for
tape start
2.5mm min.width
G measured
at hub
C
N
40mm min.
access hole
at slot location
T
AM06038v1
STB18NF25, STD18NF25
D²PAK and DPAK packing information
Table 10. D²PAK tape and reel mechanical data
Tape
Dim.
A0 10.5 10.7 A 330
B0 15.7 15.9 B 1.5
D 1.5 1.6 C 12.8 13.2
D1 1.59 1.61 D 20.2
E 1.65 1.85 G 24.4 26.4
F 11.4 11.6 N 100
K0 4.8 5.0 T 30.4
P0 3.9 4.1
P1 11.9 12.1 Base quantity 1000
P2 1.9 2.1 Bulk quantity 1000
R 50
T 0.25 0.35
W 23.7 24.3
Min. Max. Min. Max.
mm
Dim.
Reel
mm
DS6601 - Rev 5
page 17/22
STB18NF25, STD18NF25
D²PAK and DPAK packing information
Table 11. DPAK tape and reel mechanical data
Tape Reel
Dim.
Min. Max. Min. Max.
A0 6.8 7 A 330
B0 10.4 10.6 B 1.5
B1 12.1 C 12.8 13.2
D 1.5 1.6 D 20.2
D1 1.5 G 16.4 18.4
E 1.65 1.85 N 50
F 7.4 7.6 T 22.4
K0 2.55 2.75
P0 3.9 4.1 Base qty. 2500
P1 7.9 8.1 Bulk qty. 2500
P2 1.9 2.1
R 40
T 0.25 0.35
W 15.7 16.3
mm
Dim.
mm
DS6601 - Rev 5
page 18/22
5 Ordering information
Order code Marking Package Packing
STB18NF25
STD18NF25 DPAK
Table 12. Order codes
18NF25
D2PAK
STB18NF25, STD18NF25
Ordering information
Tape and reel
DS6601 - Rev 5
page 19/22
Revision history
Table 13. Document revision history
Date Version Changes
16-Nov-2009 1 First release.
19-Feb-2010 2
26-Apr-2012 3
10-Sep-2015 4
07-May-2018 5
VDS value in Table 8 has been corrected.
Updated EAS in Table 4: Avalanche data, Section 4: Package information and
Section 4.3: Packing information.
Minor text changes.
Updated 4.2: DPAK (TO-252) package information
Minor text changes.
Removed maturity status indication from cover page.
Modified title and features on cover page.
Modified Table 5. Dynamic, Table 6. Switching times and Table 7. Source
drain diode.
Modified Figure 8. Static drain-source on resistance.
Updated Section 4 Package information.
Minor text changes.
STB18NF25, STD18NF25
DS6601 - Rev 5
page 20/22
STB18NF25, STD18NF25
Contents
Contents
1 Electrical ratings ..................................................................2
2 Electrical characteristics...........................................................3
2.1 Electrical characteristics curves ..................................................5
3 Test circuits .......................................................................8
4 Package information...............................................................9
4.1 D²PAK (TO-263) type A package information .......................................9
4.2 DPAK (TO-252) type A2 package information ......................................12
4.3 D²PAK and DPAK packing information ............................................15
5 Ordering information .............................................................19
Revision history .......................................................................20
DS6601 - Rev 5
page 21/22
STB18NF25, STD18NF25
IMPORTANT NOTICE – PLEASE READ CAREFULLY
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products are sold pursuant to ST’s terms and conditions of sale in place at the time of order acknowledgement.
Purchasers are solely responsible for the choice, selection, and use of ST products and ST assumes no liability for application assistance or the design of
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ST and the ST logo are trademarks of ST. All other product or service names are the property of their respective owners.
Information in this document supersedes and replaces information previously supplied in any prior versions of this document.
© 2018 STMicroelectronics – All rights reserved
DS6601 - Rev 5
page 22/22
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