Features
■
■
■
■
Excellent thermal stability
Common source push-pull configuration
P
OUT
= 350 W min. with 26.8 dB gain @ 123 MHz
In compliance with the 2002/95/EC
European directive
Description
The SD3932 is an N-channel MOS field-effect RF power transistor. It is intended for use in 100V DC large signal applications up to 250 MHz.
SD3932
RF power transistors
HF/VHF/UHF N-channel MOSFETs
M244
Epoxy sealed
Figure 1.
Pin connection
1 1
3
2 2
3
3. Source 1. Drain
2. Gate
Table 1.
Device summary
Order code
SD3932
Marking
SD3932
Package
M244
Packaging
Plastic tray
September 2010 Doc ID 9965 Rev 6 1/14 www.st.com
14
5
6
3
4
7
8
Contents
Contents
1
2
SD3932
Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1
Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.2
Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1
Static . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.2
Dynamic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Impedance data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Typical performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Circuit layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2/14 Doc ID 9965 Rev 6
SD3932 Electrical data
Table 2.
Symbol
Absolute maximum ratings (T
CASE
= 25 °C)
Parameter
V
(BR)DSS
(1)
V
DGR
V
GS
I
D
P
DISS
T
J
T
STG
1.
T
J
= 150 °C
Drain source voltage
Drain-gate voltage (R
GS
= 1 M Ω )
Gate-source voltage
Drain current
Power dissipation
Max. operating junction temperature
Storage temperature
Value
250
250
±20
20
500
200
-65 to +150
Unit
W
° C
° C
V
A
V
V
Table 3.
Symbol
R thJC
Thermal data
Parameter
Junction - case thermal resistance
Value
0.35
Unit
° C/W
Doc ID 9965 Rev 6 3/14
Electrical characteristics SD3932
T
CASE
= +25 o
C
2.1 Static
Table 4.
Symbol
Static (per side)
V
(BR)DSS
(1)
V
GS
= 0 V
I
DSS
I
GSS
V
V
GS
GS
= 0 V
= 20 V
V
GS(Q)
V
DS(ON)
G
FS
C
ISS
V
V
V
V
DS
GS
DS
GS
= 10 V
= 10 V
= 10 V
= 0 V
C
OSS
C
RSS
V
GS
= 0 V
V
GS
= 0 V
1.
T
J
= 150 °C
Test conditions
I
DS
= 100 mA
V
DS
= 100 V
V
DS
= 0 V
I
D
= 250 mA
I
D
= 5A
I
D
= 2.5 A
V
DS
= 100 V
V
DS
= 100 V
V
DS
= 100 V f = 1 MHz f = 1 MHz f = 1 MHz
Min.
Typ.
Max.
Unit
250
1.5
2.5
2.5
2.5
500
134
6
1
250
4.0
3.5
V mA nA
V
V
S pF pF pF
2.2 Dynamic
Table 5.
Symbol
Dynamic
Test conditions Min.
Typ.
Max.
Unit
P
G
1dB h
PS
D
Load mismatch
V
DD
= 100 V I
DQ
= 2 x 250 mA f = 123MHz
V
DD
= 100 V, I
DQ
= 2 x 250mA, P
OUT =
350W,f = 123MHz
350 425
26.8
66 V
DD
= 100 V, I
DQ
= 2 x 250mA, P
OUT =
350W,f = 123MHz
V
DD
= 100 V, I
DQ
= 2 x 250mA, P
OUT =
300W,f = 123MHz
All phase angles
3:1
W dB
%
VSWR
4/14 Doc ID 9965 Rev 6
SD3932 Impedance data
Figure 2.
Impedance data
Typical Input
Impedance
G
Zin
Table 6.
Impedance data
Freq
123 MHz (800 W peak)
123 MHz (350 W CW)
S
Z
IN
(
Ω
)
1.4 - j 5.5
0.7 - j 3.9
D
Z
DL
Typical Drain
Load Impedance
Z
DL
(
Ω
)
6.4 + j 10.2
3.2 + j 15
Doc ID 9965 Rev 6 5/14
Typical performance SD3932
Figure 3.
Capacitances vs voltage
1000
900
800
700
600
500
400
300
200
100
0
0 20 40
Coss Crss
Freq = 1 MHz
60
Vds (V)
80 100
Ciss
120
Figure 4.
Transient thermal impedance
0.25
DF = 50%
0.2
DF = 20%
0.15
DF = 10%
0.1
0.05
Single Pulse
0
1.0E-04 1.0E-03 1.0E-02 1.0E-01
Rectangular Pulse Width , Seconds
1.0E+00
6/14 Doc ID 9965 Rev 6
SD3932 Typical performance
Figure 5.
Maximum safe operating area
100
Operation limited
by Rds(on
)
100 µS
10
1 mS
10 mS
100 mS
DC
Tc = +25 °C
Tj = +200 °C
SINGLE PULSE
1
1 10 100 1000
Vds(V)
Figure 6.
Zero temperature coefficient point
10
9
8
7
6
5
2
1
0
4
3
1 1.5
2
ZTC POINT
2.5
- 55°C
3 3.5
Vgs(V)
4
+ 25°C
+125°C
4.5
5 5.5
6
Doc ID 9965 Rev 6 7/14
Typical performance SD3932
Figure 7.
Pout and efficiency vs pin - CW
500 100
450
Pout Eff
90
400
350
300
250
200
150
100
50
0
0.0
0.5
40
30
Freq = 123 MHz
Vdd = 100V
Idq = 2 x 250mA
1.0
20
10
1.5
0
80
70
60
50
Pin (W)
Figure 8.
Gain vs output power - CW
30
29
28
Freq = 123 MHz
Vdd = 100V
Idq = 2 x 250mA
27
26
25
24
23
22
21
20
0 50 100 150 200 250 300 350 400 450 500
Figure 9.
Pout and efficiency vs pin power
1 msec - 10 %
1000 100
900
Pout Eff
90
800
700
600
500
400
300
80
70
60
50
40
30
200
100
0
0.0
2.0
4.0
Pin (W)
Freq = 123 MHz
Vdd = 100V
Idq = 2 x 250mA
6.0
20
10
8.0
0
Figure 10.
Gain vs output power
1 msec - 10 %
30
29
28
Freq = 123 MHz
Vdd = 100V
Idq = 2 x 250mA
27
26
25
24
23
22
21
20
0 100 200 300 400 500 600 700 800 900
8/14 Doc ID 9965 Rev 6
SD3932
Figure 11.
Test circuit
Test circuit
Table 7.
Bill of materials
Component
C10
C11
R1, R2
R3, R4
L1
FB1, FB2
B1
T1
TL1
TL2, TL3
C1
C2
C3
C4, C5
C6
C7
C8
C9
Description
120 pF ATC 100B chip capacitor
1-20 pF Johanson variable capacitor
51 pF ATC 100B chip capacitor
750 pF ATC 700B chip capacitor
43 pF ATC 100B chip capacitor
20 pF ATC 100B chip capacitor
1000 pF ATC 100C chip capacitor
43 pF ATC 100B chip capacitor
2200 pF ATC 100C chip capacitor
1200 pF ATC 100C chip capacitor
1 k
Ω
1/4 watt chip resistor
1 k Ω 1/2 watt axial lead resistor
3 turns, 16 ga magnet wire, Id 3/8", 95 nH
Fair-rite # 2743019447
20 ga teflon coated wire thru copper tube OD 1/8"x 1.3"
20 ga teflon coated wire thru 4 copper tubes OD 1/8"x 1.5"
0.135" x 0.155" microstrip
0.420" x 0.350" microstrip
Doc ID 9965 Rev 6 9/14
Circuit layout
Table 7.
Bill of materials (continued)
Component
TL4, TL5
TL6, TL7
TL8
TL9
Board
Description
0.220" x 0.350" microstrip
0.350" x 0.660" microstrip
0.225" x 0.200" microstrip
0.175" x 0.250" microstrip
0.062" FR-4
Figure 12.
Circuit layout photo
SD3932
10/14 Doc ID 9965 Rev 6
SD3932
7 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.
Doc ID 9965 Rev 6 11/14
Package mechanical data
I
J
K
L
M
N
G
H
E
F
C
D
A
B
Table 8.
Dim.
M244 (.400 x .860 4/L BAL N/HERM W/FLG) mechanical data mm.
Inch
Typ Typ Min
5.59
Max
5.84
Min
0.220
5.08
0.200
3.02
9.65
19.81
10.92
3.28
9.91
20.82
11.18
0.119
0.380
0.780
0.430
27.94
1.100
33.91
0.10
1.52
2.59
4.83
10.03
21.59
34.16
0.15
1.78
2.84
5.84
10.34
22.10
1.335
0.004
0.060
0.102
0.190
0.395
0.850
Figure 13.
Package dimensions
SD3932
Max
0.230
0.129
0.390
0.820
0.440
1.345
0.006
0.070
0.112
0.230
0.407
0.870
12/14
Controlling Dimension: Inches
Doc ID 9965 Rev 6
1020876B
SD3932 Revision history
Table 9.
Date
Document revision history
09-Sep-2003
03-Jul-2007
07-Aug-2007
31-Oct-2007
16-Oct-2008
07-Sep-2010
Revision
1
2
3
4
5
6
Changes
First release
Specification upgrade
Updated: Cover page,
Figure 7
,
8
,
9
,
10
on page 8
Updated:
Table 4: Static (per side) on page 4
Added
Section 5: Test circuit on page 9
,
Section 6: Circuit layout on page 10
Updated: Table 4: Static (per side) on page 4
Updated features on cover page.
Doc ID 9965 Rev 6 13/14
SD3932
Please Read Carefully:
Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice.
All ST products are sold pursuant to ST’s terms and conditions of sale.
Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no liability whatsoever relating to the choice, selection or use of the ST products and services described herein.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. If any part of this document refers to any third party products or services it shall not be deemed a license grant by ST for the use of such third party products or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoever of such third party products or services or any intellectual property contained therein.
UNLESS OTHERWISE SET FORTH IN ST’S TERMS AND CONDITIONS OF SALE ST DISCLAIMS ANY EXPRESS OR IMPLIED
WARRANTY WITH RESPECT TO THE USE AND/OR SALE OF ST PRODUCTS INCLUDING WITHOUT LIMITATION IMPLIED
WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS
OF ANY JURISDICTION), OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT.
UNLESS EXPRESSLY APPROVED IN WRITING BY AN AUTHORIZED ST REPRESENTATIVE, ST PRODUCTS ARE NOT
RECOMMENDED, AUTHORIZED OR WARRANTED FOR USE IN MILITARY, AIR CRAFT, SPACE, LIFE SAVING, OR LIFE SUSTAINING
APPLICATIONS, NOR IN PRODUCTS OR SYSTEMS WHERE FAILURE OR MALFUNCTION MAY RESULT IN PERSONAL INJURY,
DEATH, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE. ST PRODUCTS WHICH ARE NOT SPECIFIED AS "AUTOMOTIVE
GRADE" MAY ONLY BE USED IN AUTOMOTIVE APPLICATIONS AT USER’S OWN RISK.
Resale of ST products with provisions different from the statements and/or technical features set forth in this document shall immediately void any warranty granted by ST for the ST product or service described herein and shall not create or extend in any manner whatsoever, any liability of ST.
ST and the ST logo are trademarks or registered trademarks of ST in various countries.
Information in this document supersedes and replaces all information previously supplied.
The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners.
© 2010 STMicroelectronics - All rights reserved
STMicroelectronics group of companies
Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan -
Malaysia - Malta - Morocco - Philippines - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America www.st.com
14/14 Doc ID 9965 Rev 6
