Page 1
N - CHANNEL ENHANCEMENT MODE
TYPE V
DSS
STW38NB20 200 V < 0.065 Ω 38 A
R
DS(on)
I
D
STW38NB20
PowerMESH MOSFET
PRELIMINARY DATA
■ TYPICAL R
■ EXTREM E LY HIG H dv/ dt CAP A BI LIT Y
■ ± 30V GATE TO SOURCE VOLTA GE RA TING
■ 100% AVALANCHE TESTED
■ LOW INTRINSIC CAPACITANCE
■ GATE CHARGE MINIMIZED
■ REDUCED VOLTAGE SPRE AD
DS(on)
= 0.052 Ω
DESCRIPTIO N
Using the latest high voltage MESH OVERLAY
process, SGS-Thomson has designed an advanced family of power MOSFETs with outstanding performances. The new patent pending strip
layout coupled with the Company’s proprietary
edge termination structure, gives the lowest
RDS(on) per area, exceptional avalanche and
dv/dt capabilities and unrivalled gate charge and
switching characteristic s.
APPLICATIONS
■ HIGH CURRENT, HIGH SPE ED SWI TCHING
■ SWITCH MODE POWER SUPPLY (SMPS)
■ DC-AC CONVE RTER FOR WELDING
EQUIPMENT AND UNINTERRUPTABLE
POWER SU PP LY AN D MOT OR DRIVE
3
2
1
TO-247
INTER NAL SCH E M ATI C DIAG RA M
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
V
V
V
I
DM
P
dv/dt(1) Peak Diode Recovery voltage slope 5.5 V/ns
T
(•) Pulse width limited by safe operating area (1) ISD ≤38 A, di/dt ≤ 200 A/µs, VDD ≤ V
January 1998
Drain-source Voltage (VGS = 0) 200 V
DS
Drain- gate Voltage (RGS = 20 kΩ)
DGR
Gate-source Voltage ± 30 V
GS
I
Drain Current (continuous) at Tc = 25 oC38A
D
I
Drain Current (continuous) at Tc = 100 oC24A
D
200 V
(•) Drain Current (pulsed) 152 A
Total Dissipation at Tc = 25 oC 180 W
tot
Derating Factor 1.44 W/
Storage Temperature -65 to 150
stg
T
Max. Operating Junction Temperature 150
j
, Tj ≤ T
(BR)DSS
JMAX
o
C
o
C
o
C
1/5
Page 2
STW38NB20
THERMAL DATA
R
thj-case
R
thj-amb
R
thc-si n k
T
Thermal Resistance Junction-case Max
Thermal Resistance Junction-ambient Max
Thermal Resistance Case-sink Typ
Maximum Lead Temperature For Soldering Purpose
l
AVALANCHE CHARACTERI S TICS
Symbol Parameter Max Value Unit
I
AR
E
Avalanche Current, Repetitive or Not-Repetitive
(pulse width limited by T
Single Pulse Avalanche Energy
AS
(starting T
= 25 oC, ID = IAR, V
j
ma x, δ < 1%)
j
DD
= 50 V)
0.69
30
0.1
300
38 A
550 mJ
o
C/W
o
C/W
o
C/W
o
C
ELECTRICAL CHARACTERISTICS (T
= 25 oC unless otherwise specified)
case
OFF
Symbol Parameter Test Conditions Min. Typ. Max. Unit
V
(BR)DSS
Drain-source
I
= 250 µA V
D
GS
= 0
200 V
Breakdown Voltage
I
DSS
I
GSS
Zero Gate Voltage
Drain Current (V
GS
Gate-body Leakage
Current (V
DS
= 0)
= 0)
= Max Rating
V
DS
V
= Max Rating Tc = 125
DS
o
C
V
= ± 30 V
GS
1
10
± 100 nA
ON (∗)
Symbol Parameter Test Conditions Min. Typ. Max. Unit
V
GS(th)
Gate Threshold
V
= VGS ID = 250 µA
DS
345V
Voltage
R
DS(on)
Static Drain-source On
VGS = 10 V ID = 19 A 0.052 0.065 Ω
Resistance
I
D(on)
On State Drain Current VDS > I
V
GS
D(on)
= 10 V
x R
DS(on)max
38 A
DYNAMIC
Symbol Parameter Test Conditions Min. Typ. Max. Unit
g
(∗) Forward
fs
Transconductance
C
C
C
Input Capacitance
iss
Output Capacitance
oss
Reverse Transfer
rss
Capacitance
VDS > I
V
DS
x R
D(on)
DS(on)max
= 25 V f = 1 MHz V
ID = 19 A 10 19 S
= 0 2800
GS
750
100
3800
1000
140
µA
µA
pF
pF
pF
2/5
Page 3
STW38NB20
ELECTRICAL CHARACTERISTICS (continued)
SWITCHING O N
Symbol Parameter Test Conditions Min. Typ. Max. Unit
t
d(on)
Q
Q
Q
SWITCHING O F F
Symbol Parameter Test Conditions Min. Typ. Max. Unit
t
r(Voff)
t
SOURCE DRAIN DIO DE
Symbol Parameter Test Conditions Min. Typ. Max. Unit
I
SD
I
SDM
V
SD
t
Q
I
RRM
t
r
Turn-on Time
Rise Time
V
= 100 V ID = 19 A
DD
RG = 4.7 Ω VGS = 10 V
35
40
47
55
(see test circuit, figure 3)
Total Gate Charge
g
Gate-Source Charge
gs
Gate-Drain Charge
gd
Off-voltage Rise Time
Fall Time
t
f
Cross-over Time
c
Source-drain Current
(•)
Source-drain Current
V
= 160 V ID = 38 A V
DD
V
= 160 V ID = 38 A
DD
= 4.7 Ω VGS = 10 V
R
G
GS
= 10 V 70
22
35
18
22
42
95 nC
24
30
57
38
152
(pulsed)
(∗) Forward On Voltage ISD = 38 A VGS = 0 1.5 V
Reverse Recovery
rr
Time
Reverse Recovery
rr
I
= 38 A di/dt = 100 A/µs
SD
V
= 50 V Tj = 150 oC
DD
350
2.3
Charge
Reverse Recovery
13
Current
ns
ns
nC
nC
ns
ns
ns
A
A
ns
µC
A
(∗) Pulsed: Pulse duration = 300 µs, duty cycle 1.5 %
(•) Pulse width limited by safe operating area
3/5
Page 4
STW38NB20
TO-247 MECHANICAL DATA
DIM.
MIN. TYP. MAX. MIN. TYP. MAX.
A 4.7 5.3 0.185 0.209
D 2.2 2.6 0.087 0.102
E 0.4 0.8 0.016 0.031
F 1 1.4 0.039 0.055
F3 2 2.4 0.079 0.094
F4 3 3.4 0.118 0.134
G 10.9 0.429
H 15.3 15.9 0.602 0.626
L 19.7 20.3 0.776 0.779
L3 14.2 14.8 0.559 0.413 0.582
L4 34.6 1.362
L5 5.5 0.217
M 2 3 0.079 0.118
Dia 3.55 3.65 0.140 0.144
mm inch
4/5
P025P
Page 5
STW38NB20
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsability for the
consequences of use of such information nor for any infringement of patents or other rights of third parties which may results from its use. No
license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronic s. Specificati ons mentioned
in this publication are subject to change without not ice. This publicat ion supersedes and replaces all information previously supplied.
SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without express
written approval of SGS-THOMSON M icroelectonics.
© 1998 SGS-THOMSON Microelectronics - Printed in Italy - All Rights Reserved
Australia - Brazil - Canada - China - France - Germany - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands -
Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A
SGS-THOMSON Microelectronics GROUP OF COMPANIES
. . .
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