STMICROELECTRONICS SD4931

SD4931
RF power transistors
HF/VHF/UHF N-channel MOSFETs
Features
■
Improved ruggedness V(BR)DSS > 200 V
■
Excellent thermal stability
■
20:1 all phases load mismatch capability
■
POUT = 150 W min.
with 14.8 dB gain @ 175 MHz
■
In compliance with the 2002/95/EC European
directive
Description
M174
Epoxy sealed
The SD4931 is a N-channel MOS field-effect RF
power transistor. It is intended for use in 50 V DC
large signal applications up to 250 MHz.
Table 1.
Figure 1.
Pin connection
4
1
3
2
1. Drain
3. Gate
2. Source
4. Source
Device summary
Order code
Marking
Base qty.
Package
Packaging(1)
SD4931
SD4931(1)
25 pcs
M174
Plastic tray
1. For more details please refer to Chapter 5: Marking, packing and shipping specifications..
May 2011
Doc ID 15486 Rev 3
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www.st.com
13
Contents
SD4931
Contents
1
2
Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1
Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.2
Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1
Static . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.2
Dynamic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3
Typical performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
4
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
5
Marking, packing and shipping specifications . . . . . . . . . . . . . . . . . . . 11
6
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2/13
Doc ID 15486 Rev 3
SD4931
Electrical data
1
Electrical data
1.1
Maximum ratings
Table 2.
Absolute maximum ratings (TCASE = 25°C)
Symbol
V(BR)DSS
VDGR
VGS
ID
PDISS
TJ
TSTG
1.2
Parameter
Value
Unit
Drain source voltage
200
V
Drain-gate voltage (RGS = 1 MΩ)
200
V
Gate-source voltage
±20
V
Drain current
20
A
Power dissipation
389
W
Max. operating junction temperature
200
°C
-65 to +150
°C
Value
Unit
0.45
°C/W
Storage temperature
Thermal data
Table 3.
Symbol
RthJC
Thermal data
Parameter
Junction - case thermal resistance
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Electrical characteristics
2
SD4931
Electrical characteristics
TCASE = +25 °C
2.1
Static
Table 4.
Static
Symbol
2.2
Test conditions
Min
200
V(BR)DSS
VGS = 0 V
IDS = 100 mA
IDSS
VGS = 0 V
VDS = 100 V
IGSS
VGS = 20 V
VDS = 0 V
VTH
ID = 250 V
VDS(ON)
VGS = 10 V
ID = 10 A
GFS
VDS = 10 V
ID = 2.5 A
CISS
VGS = 0 V
VDS = 50 V
COSS
VGS = 0 V
CRSS
VGS = 0 V
1.5
2.5
Max
Unit
V
1
mA
250
nA
2.5
4.0
V
3.5
5.0
V
4.0
S
f = 1 MHz
500
pF
VDS = 50 V
f = 1 MHz
200
pF
VDS = 50 V
f = 1 MHz
8
pF
Dynamic
Table 5.
Dynamic
Symbol
Test conditions
Min
Typ
Max
Unit
P1dB
VDD = 50 V
f = 175 MHz
150
175
W
GPS
VDD = 50 V IDQ = 250 mA POUT = 150 W f = 175 MHz
13
14.8
dB
nD
VDD = 50 V IDQ = 250 mA POUT = 150 W f = 175 MHz
50
56
%
10:1
20:1
VSWR
IDQ = 250 mA
VDD = 50 V IDQ = 250 mA POUT = 150 W f = 175 MHz
Load
mismatch All phase angles
4/13
Typ
Doc ID 15486 Rev 3
SD4931
Typical performance
Figure 2.
Transient thermal impedance
3INGLEREPETITIVEPULSE
4HERMALIMPEDANCE :4(* # #7
3
Typical performance
SINGLEPULSE
%
%
%
%
%
2ECTANGULARPOWERPULSEWIDTHSEC
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%
!-6
5/13
Typical performance
Figure 3.
SD4931
Transient thermal impedance model
$ISSIPATED0OWE R?7ATTS
2
2/HM
#
#
# &
2
2
2/HM
#
#
# &
2
2
2/HM
#
#
# &
2
2
2/HM
#
#
# &
!-6
6/13
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SD4931
Typical performance
Figure 4.
Power gain and efficiency vs output power_Vdd = 50 V, Idq = 250 mA
Freq = 175 MHz
Table 6.
Vgs sort (@250 mA)
Marking
Min.
Max.
DD
1.5
1.6
EE
1.6
1.7
FF
1.7
1.8
A
1.8
1.9
B
1.9
2
C
2
2.1
D
2.1
2.2
E
2.2
2.3
F
2.3
2.4
G
2.4
2.5
H
2.5
2.6
I
2.6
2.7
J
2.7
2.8
K
2.8
2.9
L
2.9
3
M
3
3.1
N
3.1
3.2
O
3.2
3.3
P
3.3
3.4
Q
3.4
3.5
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Typical performance
Table 6.
8/13
SD4931
Vgs sort (@250 mA) (continued)
Marking
Min.
Max.
R
3.5
3.6
S
3.6
3.7
T
3.7
3.8
U
3.8
3.9
V
3.9
4
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SD4931
4
Package mechanical data
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.
Table 7.
M174 (0.500 DIA 4/L N/HERM W/FLG) mechanical data
mm.
Inch
Dim.
Min
A
Typ
5.56
B
Max
Min
5.584
0.219
3.18
Typ
Max
0.230
0.125
C
6.22
6.48
0.245
0.255
D
18.28
18.54
0.720
0.730
E
3.18
0.125
F
24.64
24.89
0.970
0.980
G
12.57
12.83
0.495
0.505
H
0.08
0.18
0.003
0.007
I
2.11
3.00
0.083
0.118
J
3.81
4.45
0.150
0.175
K
7.11
0.280
L
25.53
26.67
1.005
1.050
M
3.05
3.30
0.120
0.130
Doc ID 15486 Rev 3
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Package mechanical data
Figure 5.
SD4931
Package dimensions
Controlling Dimension: Inches
10/13
1011000D
Doc ID 15486 Rev 3
SD4931
5
Marking, packing and shipping specifications
Marking, packing and shipping specifications
Table 8.
Packing and shipping specifications
Order code
Packaging
Pcs per
tray
Dry pack
humidity
VGS sort
Lot code
SD4931
Plastic tray
25
< 10 %
Not mixed
Not mixed
Figure 6.
Marking layout
Table 9.
Marking specifications
Symbol
Description
X
VGS sort
CZ
Assy plant
xxx
Last 3 digit of diffusion lot
VY
Diffusion plant
MAR
Country of origin
CZ
Test and finishing plant
y
Assy year
yy
Assy week
Doc ID 15486 Rev 3
11/13
Revision history
6
SD4931
Revision history
Table 10.
12/13
Document revision history
Date
Revision
Changes
17-Mar-2008
1
Initial release.
14-Jan-2010
2
Updated test conditions in Table 5: Dynamic.
23-May-2011
3
Inserted Figure 2: Transient thermal impedance, Figure 3: Transient
thermal impedance model and Section 5: Marking, packing and
shipping specifications.
Doc ID 15486 Rev 3
SD4931
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Doc ID 15486 Rev 3
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